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git.eclipse.org / objectteams / org.eclipse.objectteams / 66cc2b630cb956a5224848a13e98714fc235dfd5 / . / org.eclipse.jdt.core / model / org / eclipse / jdt / internal / core / JavaModelManager.java
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/*******************************************************************************
* Copyright (c) 2000, 2010 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Theodora Yeung (tyeung@bea.com) - ensure that JarPackageFragmentRoot make it into cache
* before its contents
* (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=102422)
* Technical University Berlin - extended API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.core;
import java.io.*;
import java.net.URI;
import java.text.MessageFormat;
import java.util.*;
import java.util.Map.Entry;
import java.util.zip.ZipFile;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.eclipse.core.resources.*;
import org.eclipse.core.runtime.*;
import org.eclipse.core.runtime.content.IContentTypeManager.ContentTypeChangeEvent;
import org.eclipse.core.runtime.content.IContentTypeManager.IContentTypeChangeListener;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.core.runtime.preferences.DefaultScope;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.core.runtime.preferences.IPreferencesService;
import org.eclipse.core.runtime.preferences.IScopeContext;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.eclipse.core.runtime.preferences.IEclipsePreferences.PreferenceChangeEvent;
import org.eclipse.jdt.core.*;
import org.eclipse.jdt.core.compiler.CharOperation;
import org.eclipse.jdt.core.compiler.CompilationParticipant;
import org.eclipse.jdt.core.compiler.IProblem;
import org.eclipse.jdt.core.formatter.DefaultCodeFormatterConstants;
import org.eclipse.jdt.internal.codeassist.CompletionEngine;
import org.eclipse.jdt.internal.codeassist.SelectionEngine;
import org.eclipse.jdt.internal.compiler.AbstractAnnotationProcessorManager;
import org.eclipse.jdt.internal.compiler.Compiler;
import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
import org.eclipse.jdt.internal.compiler.env.AccessRestriction;
import org.eclipse.jdt.internal.compiler.impl.CompilerOptions;
import org.eclipse.jdt.internal.compiler.util.HashtableOfObjectToInt;
import org.eclipse.jdt.internal.core.JavaProjectElementInfo.ProjectCache;
import org.eclipse.jdt.internal.core.builder.JavaBuilder;
import org.eclipse.jdt.internal.core.hierarchy.TypeHierarchy;
import org.eclipse.jdt.internal.core.search.AbstractSearchScope;
import org.eclipse.jdt.internal.core.search.BasicSearchEngine;
import org.eclipse.jdt.internal.core.search.IRestrictedAccessTypeRequestor;
import org.eclipse.jdt.internal.core.search.JavaWorkspaceScope;
import org.eclipse.jdt.internal.core.search.indexing.IndexManager;
import org.eclipse.jdt.internal.core.search.processing.JobManager;
import org.eclipse.jdt.internal.core.util.HashtableOfArrayToObject;
import org.eclipse.jdt.internal.core.util.LRUCache;
import org.eclipse.jdt.internal.core.util.Messages;
import org.eclipse.jdt.internal.core.util.Util;
import org.eclipse.jdt.internal.core.util.WeakHashSet;
import org.eclipse.jdt.internal.core.util.WeakHashSetOfCharArray;
import org.eclipse.jdt.internal.core.util.LRUCache.Stats;
import org.eclipse.jdt.internal.formatter.DefaultCodeFormatter;
import org.osgi.service.prefs.BackingStoreException;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
/**
* <h4>OTDT changes:</h4>
* <dl>
* <dt>What:<dd> Filter IProblem.AdaptedPluginAccess when saving state.
* </dl>
* <hr>
* The <code>JavaModelManager</code> manages instances of <code>IJavaModel</code>.
* <code>IElementChangedListener</code>s register with the <code>JavaModelManager</code>,
* and receive <code>ElementChangedEvent</code>s for all <code>IJavaModel</code>s.
* <p>
* The single instance of <code>JavaModelManager</code> is available from
* the static method <code>JavaModelManager.getJavaModelManager()</code>.
*/
public class JavaModelManager implements ISaveParticipant, IContentTypeChangeListener {
/**
* Define a zip cache object.
*/
static class ZipCache {
private Map map;
Object owner;
ZipCache(Object owner) {
this.map = new HashMap();
this.owner = owner;
}
public void flush() {
Thread currentThread = Thread.currentThread();
Iterator iterator = this.map.values().iterator();
while (iterator.hasNext()) {
try {
ZipFile zipFile = (ZipFile)iterator.next();
if (JavaModelManager.ZIP_ACCESS_VERBOSE) {
System.out.println("(" + currentThread + ") [JavaModelManager.flushZipFiles()] Closing ZipFile on " +zipFile.getName()); //$NON-NLS-1$//$NON-NLS-2$
}
zipFile.close();
} catch (IOException e) {
// problem occured closing zip file: cannot do much more
}
}
}
public ZipFile getCache(IPath path) {
return (ZipFile) this.map.get(path);
}
public void setCache(IPath path, ZipFile zipFile) {
this.map.put(path, zipFile);
}
}
/**
* Unique handle onto the JavaModel
*/
final JavaModel javaModel = new JavaModel();
/**
* Classpath variables pool
*/
public HashMap variables = new HashMap(5);
public HashSet variablesWithInitializer = new HashSet(5);
public HashMap deprecatedVariables = new HashMap(5);
public HashSet readOnlyVariables = new HashSet(5);
public HashMap previousSessionVariables = new HashMap(5);
private ThreadLocal variableInitializationInProgress = new ThreadLocal();
/**
* Classpath containers pool
*/
public HashMap containers = new HashMap(5);
public HashMap previousSessionContainers = new HashMap(5);
private ThreadLocal containerInitializationInProgress = new ThreadLocal();
ThreadLocal containersBeingInitialized = new ThreadLocal();
public static final int NO_BATCH_INITIALIZATION = 0;
public static final int NEED_BATCH_INITIALIZATION = 1;
public static final int BATCH_INITIALIZATION_IN_PROGRESS = 2;
public static final int BATCH_INITIALIZATION_FINISHED = 3;
public int batchContainerInitializations = NO_BATCH_INITIALIZATION;
public BatchInitializationMonitor batchContainerInitializationsProgress = new BatchInitializationMonitor();
public Hashtable containerInitializersCache = new Hashtable(5);
/*
* A HashSet that contains the IJavaProject whose classpath is being resolved.
*/
private ThreadLocal classpathsBeingResolved = new ThreadLocal();
/*
* The unique workspace scope
*/
public JavaWorkspaceScope workspaceScope;
/*
* Pools of symbols used in the Java model.
* Used as a replacement for String#intern() that could prevent garbage collection of strings on some VMs.
*/
private WeakHashSet stringSymbols = new WeakHashSet(5);
private WeakHashSetOfCharArray charArraySymbols = new WeakHashSetOfCharArray(5);
/*
* Extension used to construct Java 6 annotation processor managers
*/
private IConfigurationElement annotationProcessorManagerFactory = null;
/*
* Map from a package fragment root's path to a source attachment property (source path + ATTACHMENT_PROPERTY_DELIMITER + source root path)
*/
public Map rootPathToAttachments = new Hashtable();
public final static String CP_VARIABLE_PREFERENCES_PREFIX = JavaCore.PLUGIN_ID+".classpathVariable."; //$NON-NLS-1$
public final static String CP_CONTAINER_PREFERENCES_PREFIX = JavaCore.PLUGIN_ID+".classpathContainer."; //$NON-NLS-1$
public final static String CP_USERLIBRARY_PREFERENCES_PREFIX = JavaCore.PLUGIN_ID+".userLibrary."; //$NON-NLS-1$
public final static String CP_ENTRY_IGNORE = "##<cp entry ignore>##"; //$NON-NLS-1$
public final static IPath CP_ENTRY_IGNORE_PATH = new Path(CP_ENTRY_IGNORE);
public final static String TRUE = "true"; //$NON-NLS-1$
private final static int VARIABLES_AND_CONTAINERS_FILE_VERSION = 2;
/**
* Name of the extension point for contributing classpath variable initializers
*/
public static final String CPVARIABLE_INITIALIZER_EXTPOINT_ID = "classpathVariableInitializer" ; //$NON-NLS-1$
/**
* Name of the extension point for contributing classpath container initializers
*/
public static final String CPCONTAINER_INITIALIZER_EXTPOINT_ID = "classpathContainerInitializer" ; //$NON-NLS-1$
/**
* Name of the extension point for contributing a source code formatter
*/
public static final String FORMATTER_EXTPOINT_ID = "codeFormatter" ; //$NON-NLS-1$
/**
* Name of the extension point for contributing a compilation participant
*/
public static final String COMPILATION_PARTICIPANT_EXTPOINT_ID = "compilationParticipant" ; //$NON-NLS-1$
/**
* Name of the extension point for contributing the Java 6 annotation processor manager
*/
public static final String ANNOTATION_PROCESSOR_MANAGER_EXTPOINT_ID = "annotationProcessorManager" ; //$NON-NLS-1$
/**
* Name of the JVM parameter to specify whether or not referenced JAR should be resolved for container libraries.
*/
private static final String RESOLVE_REFERENCED_LIBRARIES_FOR_CONTAINERS = "resolveReferencedLibrariesForContainers"; //$NON-NLS-1$
/**
* Special value used for recognizing ongoing initialization and breaking initialization cycles
*/
public final static IPath VARIABLE_INITIALIZATION_IN_PROGRESS = new Path("Variable Initialization In Progress"); //$NON-NLS-1$
public final static IClasspathContainer CONTAINER_INITIALIZATION_IN_PROGRESS = new IClasspathContainer() {
public IClasspathEntry[] getClasspathEntries() { return null; }
public String getDescription() { return "Container Initialization In Progress"; } //$NON-NLS-1$
public int getKind() { return 0; }
public IPath getPath() { return null; }
public String toString() { return getDescription(); }
};
private static final String BUFFER_MANAGER_DEBUG = JavaCore.PLUGIN_ID + "/debug/buffermanager" ; //$NON-NLS-1$
private static final String INDEX_MANAGER_DEBUG = JavaCore.PLUGIN_ID + "/debug/indexmanager" ; //$NON-NLS-1$
private static final String INDEX_MANAGER_ADVANCED_DEBUG = JavaCore.PLUGIN_ID + "/debug/indexmanager/advanced" ; //$NON-NLS-1$
private static final String COMPILER_DEBUG = JavaCore.PLUGIN_ID + "/debug/compiler" ; //$NON-NLS-1$
private static final String JAVAMODEL_DEBUG = JavaCore.PLUGIN_ID + "/debug/javamodel" ; //$NON-NLS-1$
private static final String JAVAMODELCACHE_DEBUG = JavaCore.PLUGIN_ID + "/debug/javamodel/cache" ; //$NON-NLS-1$
private static final String CP_RESOLVE_DEBUG = JavaCore.PLUGIN_ID + "/debug/cpresolution" ; //$NON-NLS-1$
private static final String CP_RESOLVE_ADVANCED_DEBUG = JavaCore.PLUGIN_ID + "/debug/cpresolution/advanced" ; //$NON-NLS-1$
private static final String CP_RESOLVE_FAILURE_DEBUG = JavaCore.PLUGIN_ID + "/debug/cpresolution/failure" ; //$NON-NLS-1$
private static final String ZIP_ACCESS_DEBUG = JavaCore.PLUGIN_ID + "/debug/zipaccess" ; //$NON-NLS-1$
private static final String DELTA_DEBUG =JavaCore.PLUGIN_ID + "/debug/javadelta" ; //$NON-NLS-1$
private static final String DELTA_DEBUG_VERBOSE =JavaCore.PLUGIN_ID + "/debug/javadelta/verbose" ; //$NON-NLS-1$
private static final String HIERARCHY_DEBUG = JavaCore.PLUGIN_ID + "/debug/hierarchy" ; //$NON-NLS-1$
private static final String POST_ACTION_DEBUG = JavaCore.PLUGIN_ID + "/debug/postaction" ; //$NON-NLS-1$
private static final String BUILDER_DEBUG = JavaCore.PLUGIN_ID + "/debug/builder" ; //$NON-NLS-1$
private static final String BUILDER_STATS_DEBUG = JavaCore.PLUGIN_ID + "/debug/builder/stats" ; //$NON-NLS-1$
private static final String COMPLETION_DEBUG = JavaCore.PLUGIN_ID + "/debug/completion" ; //$NON-NLS-1$
private static final String RESOLUTION_DEBUG = JavaCore.PLUGIN_ID + "/debug/resolution" ; //$NON-NLS-1$
private static final String SELECTION_DEBUG = JavaCore.PLUGIN_ID + "/debug/selection" ; //$NON-NLS-1$
private static final String SEARCH_DEBUG = JavaCore.PLUGIN_ID + "/debug/search" ; //$NON-NLS-1$
private static final String SOURCE_MAPPER_DEBUG_VERBOSE = JavaCore.PLUGIN_ID + "/debug/sourcemapper" ; //$NON-NLS-1$
private static final String FORMATTER_DEBUG = JavaCore.PLUGIN_ID + "/debug/formatter" ; //$NON-NLS-1$
public static final String COMPLETION_PERF = JavaCore.PLUGIN_ID + "/perf/completion" ; //$NON-NLS-1$
public static final String SELECTION_PERF = JavaCore.PLUGIN_ID + "/perf/selection" ; //$NON-NLS-1$
public static final String DELTA_LISTENER_PERF = JavaCore.PLUGIN_ID + "/perf/javadeltalistener" ; //$NON-NLS-1$
public static final String VARIABLE_INITIALIZER_PERF = JavaCore.PLUGIN_ID + "/perf/variableinitializer" ; //$NON-NLS-1$
public static final String CONTAINER_INITIALIZER_PERF = JavaCore.PLUGIN_ID + "/perf/containerinitializer" ; //$NON-NLS-1$
public static final String RECONCILE_PERF = JavaCore.PLUGIN_ID + "/perf/reconcile" ; //$NON-NLS-1$
private final static String INDEXED_SECONDARY_TYPES = "#@*_indexing secondary cache_*@#"; //$NON-NLS-1$
public static boolean PERF_VARIABLE_INITIALIZER = false;
public static boolean PERF_CONTAINER_INITIALIZER = false;
// Non-static, which will give it a chance to retain the default when and if JavaModelManager is restarted.
boolean resolveReferencedLibrariesForContainers = false;
public final static ICompilationUnit[] NO_WORKING_COPY = new ICompilationUnit[0];
// Preferences
HashSet optionNames = new HashSet(20);
Hashtable optionsCache;
public final IEclipsePreferences[] preferencesLookup = new IEclipsePreferences[2];
static final int PREF_INSTANCE = 0;
static final int PREF_DEFAULT = 1;
static final Object[][] NO_PARTICIPANTS = new Object[0][];
public static class CompilationParticipants {
private final static int MAX_SOURCE_LEVEL = 7; // 1.1 to 1.7
/*
* The registered compilation participants (a table from int (source level) to Object[])
* The Object array contains first IConfigurationElements when not resolved yet, then
* it contains CompilationParticipants.
*/
private Object[][] registeredParticipants = null;
private HashSet managedMarkerTypes;
public CompilationParticipant[] getCompilationParticipants(IJavaProject project) {
final Object[][] participantsPerSource = getRegisteredParticipants();
if (participantsPerSource == NO_PARTICIPANTS)
return null;
String sourceLevel = project.getOption(JavaCore.COMPILER_SOURCE, true/*inherit options*/);
final int sourceLevelIndex = indexForSourceLevel(sourceLevel);
final Object[] participants = participantsPerSource[sourceLevelIndex];
int length = participants.length;
CompilationParticipant[] result = new CompilationParticipant[length];
int index = 0;
for (int i = 0; i < length; i++) {
if (participants[i] instanceof IConfigurationElement) {
final IConfigurationElement configElement = (IConfigurationElement) participants[i];
final int participantIndex = i;
SafeRunner.run(new ISafeRunnable() {
public void handleException(Throwable exception) {
Util.log(exception, "Exception occurred while creating compilation participant"); //$NON-NLS-1$
}
public void run() throws Exception {
Object executableExtension = configElement.createExecutableExtension("class"); //$NON-NLS-1$
for (int j = sourceLevelIndex; j < MAX_SOURCE_LEVEL; j++)
participantsPerSource[j][participantIndex] = executableExtension;
}
});
}
CompilationParticipant participant;
if ((participants[i] instanceof CompilationParticipant) && (participant = (CompilationParticipant) participants[i]).isActive(project))
result[index++] = participant;
}
if (index == 0)
return null;
if (index < length)
System.arraycopy(result, 0, result = new CompilationParticipant[index], 0, index);
return result;
}
public HashSet managedMarkerTypes() {
if (this.managedMarkerTypes == null) {
// force extension points to be read
getRegisteredParticipants();
}
return this.managedMarkerTypes;
}
private synchronized Object[][] getRegisteredParticipants() {
if (this.registeredParticipants != null) {
return this.registeredParticipants;
}
this.managedMarkerTypes = new HashSet();
IExtensionPoint extension = Platform.getExtensionRegistry().getExtensionPoint(JavaCore.PLUGIN_ID, COMPILATION_PARTICIPANT_EXTPOINT_ID);
if (extension == null)
return this.registeredParticipants = NO_PARTICIPANTS;
final ArrayList modifyingEnv = new ArrayList();
final ArrayList creatingProblems = new ArrayList();
final ArrayList others = new ArrayList();
IExtension[] extensions = extension.getExtensions();
// for all extensions of this point...
for(int i = 0; i < extensions.length; i++) {
IConfigurationElement[] configElements = extensions[i].getConfigurationElements();
// for all config elements named "compilationParticipant"
for(int j = 0; j < configElements.length; j++) {
final IConfigurationElement configElement = configElements[j];
String elementName =configElement.getName();
if (!("compilationParticipant".equals(elementName))) { //$NON-NLS-1$
continue;
}
// add config element in the group it belongs to
if (TRUE.equals(configElement.getAttribute("modifiesEnvironment"))) //$NON-NLS-1$
modifyingEnv.add(configElement);
else if (TRUE.equals(configElement.getAttribute("createsProblems"))) //$NON-NLS-1$
creatingProblems.add(configElement);
else
others.add(configElement);
// add managed marker types
IConfigurationElement[] managedMarkers = configElement.getChildren("managedMarker"); //$NON-NLS-1$
for (int k = 0, length = managedMarkers.length; k < length; k++) {
IConfigurationElement element = managedMarkers[k];
String markerType = element.getAttribute("markerType"); //$NON-NLS-1$
if (markerType != null)
this.managedMarkerTypes.add(markerType);
}
}
}
int size = modifyingEnv.size() + creatingProblems.size() + others.size();
if (size == 0)
return this.registeredParticipants = NO_PARTICIPANTS;
// sort config elements in each group
IConfigurationElement[] configElements = new IConfigurationElement[size];
int index = 0;
index = sortParticipants(modifyingEnv, configElements, index);
index = sortParticipants(creatingProblems, configElements, index);
index = sortParticipants(others, configElements, index);
// create result table
Object[][] result = new Object[MAX_SOURCE_LEVEL][];
int length = configElements.length;
for (int i = 0; i < MAX_SOURCE_LEVEL; i++) {
result[i] = new Object[length];
}
for (int i = 0; i < length; i++) {
String sourceLevel = configElements[i].getAttribute("requiredSourceLevel"); //$NON-NLS-1$
int sourceLevelIndex = indexForSourceLevel(sourceLevel);
for (int j = sourceLevelIndex; j < MAX_SOURCE_LEVEL; j++) {
result[j][i] = configElements[i];
}
}
return this.registeredParticipants = result;
}
/*
* 1.1 -> 0
* 1.2 -> 1
* ...
* 1.6 -> 5
* 1.7 -> 6
* null -> 0
*/
private int indexForSourceLevel(String sourceLevel) {
if (sourceLevel == null) return 0;
int majVersion = (int) (CompilerOptions.versionToJdkLevel(sourceLevel) >>> 16);
switch (majVersion) {
case ClassFileConstants.MAJOR_VERSION_1_2:
return 1;
case ClassFileConstants.MAJOR_VERSION_1_3:
return 2;
case ClassFileConstants.MAJOR_VERSION_1_4:
return 3;
case ClassFileConstants.MAJOR_VERSION_1_5:
return 4;
case ClassFileConstants.MAJOR_VERSION_1_6:
return 5;
case ClassFileConstants.MAJOR_VERSION_1_7:
return 6;
default:
// all other cases including ClassFileConstants.MAJOR_VERSION_1_1
return 0;
}
}
private int sortParticipants(ArrayList group, IConfigurationElement[] configElements, int index) {
int size = group.size();
if (size == 0) return index;
Object[] elements = group.toArray();
Util.sort(elements, new Util.Comparer() {
public int compare(Object a, Object b) {
if (a == b) return 0;
String id = ((IConfigurationElement) a).getAttribute("id"); //$NON-NLS-1$
if (id == null) return -1;
IConfigurationElement[] requiredElements = ((IConfigurationElement) b).getChildren("requires"); //$NON-NLS-1$
for (int i = 0, length = requiredElements.length; i < length; i++) {
IConfigurationElement required = requiredElements[i];
if (id.equals(required.getAttribute("id"))) //$NON-NLS-1$
return 1;
}
return -1;
}
});
for (int i = 0; i < size; i++)
configElements[index+i] = (IConfigurationElement) elements[i];
return index + size;
}
}
public final CompilationParticipants compilationParticipants = new CompilationParticipants();
/* whether an AbortCompilationUnit should be thrown when the source of a compilation unit cannot be retrieved */
public ThreadLocal abortOnMissingSource = new ThreadLocal();
private ExternalFoldersManager externalFoldersManager = ExternalFoldersManager.getExternalFoldersManager();
/**
* Returns whether the given full path (for a package) conflicts with the output location
* of the given project.
*/
public static boolean conflictsWithOutputLocation(IPath folderPath, JavaProject project) {
try {
IPath outputLocation = project.getOutputLocation();
if (outputLocation == null) {
// in doubt, there is a conflict
return true;
}
if (outputLocation.isPrefixOf(folderPath)) {
// only allow nesting in project's output if there is a corresponding source folder
// or if the project's output is not used (in other words, if all source folders have their custom output)
IClasspathEntry[] classpath = project.getResolvedClasspath();
boolean isOutputUsed = false;
for (int i = 0, length = classpath.length; i < length; i++) {
IClasspathEntry entry = classpath[i];
if (entry.getEntryKind() == IClasspathEntry.CPE_SOURCE) {
if (entry.getPath().equals(outputLocation)) {
return false;
}
if (entry.getOutputLocation() == null) {
isOutputUsed = true;
}
}
}
return isOutputUsed;
}
return false;
} catch (JavaModelException e) {
// in doubt, there is a conflict
return true;
}
}
public synchronized IClasspathContainer containerGet(IJavaProject project, IPath containerPath) {
// check initialization in progress first
if (containerIsInitializationInProgress(project, containerPath)) {
return CONTAINER_INITIALIZATION_IN_PROGRESS;
}
Map projectContainers = (Map)this.containers.get(project);
if (projectContainers == null){
return null;
}
IClasspathContainer container = (IClasspathContainer)projectContainers.get(containerPath);
return container;
}
public synchronized IClasspathContainer containerGetDefaultToPreviousSession(IJavaProject project, IPath containerPath) {
Map projectContainers = (Map)this.containers.get(project);
if (projectContainers == null)
return getPreviousSessionContainer(containerPath, project);
IClasspathContainer container = (IClasspathContainer)projectContainers.get(containerPath);
if (container == null)
return getPreviousSessionContainer(containerPath, project);
return container;
}
private boolean containerIsInitializationInProgress(IJavaProject project, IPath containerPath) {
Map initializations = (Map)this.containerInitializationInProgress.get();
if (initializations == null)
return false;
HashSet projectInitializations = (HashSet) initializations.get(project);
if (projectInitializations == null)
return false;
return projectInitializations.contains(containerPath);
}
private void containerAddInitializationInProgress(IJavaProject project, IPath containerPath) {
Map initializations = (Map)this.containerInitializationInProgress.get();
if (initializations == null)
this.containerInitializationInProgress.set(initializations = new HashMap());
HashSet projectInitializations = (HashSet) initializations.get(project);
if (projectInitializations == null)
initializations.put(project, projectInitializations = new HashSet());
projectInitializations.add(containerPath);
}
public void containerBeingInitializedPut(IJavaProject project, IPath containerPath, IClasspathContainer container) {
Map perProjectContainers = (Map)this.containersBeingInitialized.get();
if (perProjectContainers == null)
this.containersBeingInitialized.set(perProjectContainers = new HashMap());
HashMap perPathContainers = (HashMap) perProjectContainers.get(project);
if (perPathContainers == null)
perProjectContainers.put(project, perPathContainers = new HashMap());
perPathContainers.put(containerPath, container);
}
public IClasspathContainer containerBeingInitializedGet(IJavaProject project, IPath containerPath) {
Map perProjectContainers = (Map)this.containersBeingInitialized.get();
if (perProjectContainers == null)
return null;
HashMap perPathContainers = (HashMap) perProjectContainers.get(project);
if (perPathContainers == null)
return null;
return (IClasspathContainer) perPathContainers.get(containerPath);
}
public IClasspathContainer containerBeingInitializedRemove(IJavaProject project, IPath containerPath) {
Map perProjectContainers = (Map)this.containersBeingInitialized.get();
if (perProjectContainers == null)
return null;
HashMap perPathContainers = (HashMap) perProjectContainers.get(project);
if (perPathContainers == null)
return null;
IClasspathContainer container = (IClasspathContainer) perPathContainers.remove(containerPath);
if (perPathContainers.size() == 0)
perPathContainers.remove(project);
if (perProjectContainers.size() == 0)
this.containersBeingInitialized.set(null);
return container;
}
public synchronized void containerPut(IJavaProject project, IPath containerPath, IClasspathContainer container){
// set/unset the initialization in progress
if (container == CONTAINER_INITIALIZATION_IN_PROGRESS) {
containerAddInitializationInProgress(project, containerPath);
// do not write out intermediate initialization value
return;
} else {
containerRemoveInitializationInProgress(project, containerPath);
Map projectContainers = (Map)this.containers.get(project);
if (projectContainers == null){
projectContainers = new HashMap(1);
this.containers.put(project, projectContainers);
}
if (container == null) {
projectContainers.remove(containerPath);
} else {
projectContainers.put(containerPath, container);
}
// discard obsoleted information about previous session
Map previousContainers = (Map)this.previousSessionContainers.get(project);
if (previousContainers != null){
previousContainers.remove(containerPath);
}
}
// container values are persisted in preferences during save operations, see #saving(ISaveContext)
}
/*
* The given project is being removed. Remove all containers for this project from the cache.
*/
public synchronized void containerRemove(IJavaProject project) {
Map initializations = (Map) this.containerInitializationInProgress.get();
if (initializations != null) {
initializations.remove(project);
}
this.containers.remove(project);
}
public boolean containerPutIfInitializingWithSameEntries(IPath containerPath, IJavaProject[] projects, IClasspathContainer[] respectiveContainers) {
int projectLength = projects.length;
if (projectLength != 1)
return false;
final IClasspathContainer container = respectiveContainers[0];
IJavaProject project = projects[0];
// optimize only if initializing, otherwise we are in a regular setContainer(...) call
if (!containerIsInitializationInProgress(project, containerPath))
return false;
IClasspathContainer previousContainer = containerGetDefaultToPreviousSession(project, containerPath);
if (container == null) {
if (previousContainer == null) {
containerPut(project, containerPath, null);
return true;
}
return false;
}
final IClasspathEntry[] newEntries = container.getClasspathEntries();
if (previousContainer == null)
if (newEntries.length == 0) {
containerPut(project, containerPath, container);
return true;
} else {
if (CP_RESOLVE_VERBOSE || CP_RESOLVE_VERBOSE_FAILURE)
verbose_missbehaving_container(containerPath, projects, respectiveContainers, container, newEntries, null/*no old entries*/);
return false;
}
final IClasspathEntry[] oldEntries = previousContainer.getClasspathEntries();
if (oldEntries.length != newEntries.length) {
if (CP_RESOLVE_VERBOSE || CP_RESOLVE_VERBOSE_FAILURE)
verbose_missbehaving_container(containerPath, projects, respectiveContainers, container, newEntries, oldEntries);
return false;
}
for (int i = 0, length = newEntries.length; i < length; i++) {
if (newEntries[i] == null) {
if (CP_RESOLVE_VERBOSE || CP_RESOLVE_VERBOSE_FAILURE)
verbose_missbehaving_container(project, containerPath, newEntries);
return false;
}
if (!newEntries[i].equals(oldEntries[i])) {
if (CP_RESOLVE_VERBOSE || CP_RESOLVE_VERBOSE_FAILURE)
verbose_missbehaving_container(containerPath, projects, respectiveContainers, container, newEntries, oldEntries);
return false;
}
}
containerPut(project, containerPath, container);
return true;
}
private void verbose_missbehaving_container(
IPath containerPath,
IJavaProject[] projects,
IClasspathContainer[] respectiveContainers,
final IClasspathContainer container,
final IClasspathEntry[] newEntries,
final IClasspathEntry[] oldEntries) {
Util.verbose(
"CPContainer SET - missbehaving container\n" + //$NON-NLS-1$
" container path: " + containerPath + '\n' + //$NON-NLS-1$
" projects: {" +//$NON-NLS-1$
org.eclipse.jdt.internal.compiler.util.Util.toString(
projects,
new org.eclipse.jdt.internal.compiler.util.Util.Displayable(){
public String displayString(Object o) { return ((IJavaProject) o).getElementName(); }
}) +
"}\n values on previous session: {\n" +//$NON-NLS-1$
org.eclipse.jdt.internal.compiler.util.Util.toString(
respectiveContainers,
new org.eclipse.jdt.internal.compiler.util.Util.Displayable(){
public String displayString(Object o) {
StringBuffer buffer = new StringBuffer(" "); //$NON-NLS-1$
if (o == null) {
buffer.append("<null>"); //$NON-NLS-1$
return buffer.toString();
}
buffer.append(container.getDescription());
buffer.append(" {\n"); //$NON-NLS-1$
if (oldEntries == null) {
buffer.append(" "); //$NON-NLS-1$
buffer.append("<null>\n"); //$NON-NLS-1$
} else {
for (int j = 0; j < oldEntries.length; j++){
buffer.append(" "); //$NON-NLS-1$
buffer.append(oldEntries[j]);
buffer.append('\n');
}
}
buffer.append(" }"); //$NON-NLS-1$
return buffer.toString();
}
}) +
"}\n new values: {\n" +//$NON-NLS-1$
org.eclipse.jdt.internal.compiler.util.Util.toString(
respectiveContainers,
new org.eclipse.jdt.internal.compiler.util.Util.Displayable(){
public String displayString(Object o) {
StringBuffer buffer = new StringBuffer(" "); //$NON-NLS-1$
if (o == null) {
buffer.append("<null>"); //$NON-NLS-1$
return buffer.toString();
}
buffer.append(container.getDescription());
buffer.append(" {\n"); //$NON-NLS-1$
for (int j = 0; j < newEntries.length; j++){
buffer.append(" "); //$NON-NLS-1$
buffer.append(newEntries[j]);
buffer.append('\n');
}
buffer.append(" }"); //$NON-NLS-1$
return buffer.toString();
}
}) +
"\n }"); //$NON-NLS-1$
}
void verbose_missbehaving_container(IJavaProject project, IPath containerPath, IClasspathEntry[] classpathEntries) {
Util.verbose(
"CPContainer GET - missbehaving container (returning null classpath entry)\n" + //$NON-NLS-1$
" project: " + project.getElementName() + '\n' + //$NON-NLS-1$
" container path: " + containerPath + '\n' + //$NON-NLS-1$
" classpath entries: {\n" + //$NON-NLS-1$
org.eclipse.jdt.internal.compiler.util.Util.toString(
classpathEntries,
new org.eclipse.jdt.internal.compiler.util.Util.Displayable(){
public String displayString(Object o) {
StringBuffer buffer = new StringBuffer(" "); //$NON-NLS-1$
if (o == null) {
buffer.append("<null>"); //$NON-NLS-1$
return buffer.toString();
}
buffer.append(o);
return buffer.toString();
}
}) +
"\n }" //$NON-NLS-1$
);
}
void verbose_missbehaving_container_null_entries(IJavaProject project, IPath containerPath) {
Util.verbose(
"CPContainer GET - missbehaving container (returning null as classpath entries)\n" + //$NON-NLS-1$
" project: " + project.getElementName() + '\n' + //$NON-NLS-1$
" container path: " + containerPath + '\n' + //$NON-NLS-1$
" classpath entries: <null>" //$NON-NLS-1$
);
}
private void containerRemoveInitializationInProgress(IJavaProject project, IPath containerPath) {
Map initializations = (Map)this.containerInitializationInProgress.get();
if (initializations == null)
return;
HashSet projectInitializations = (HashSet) initializations.get(project);
if (projectInitializations == null)
return;
projectInitializations.remove(containerPath);
if (projectInitializations.size() == 0)
initializations.remove(project);
if (initializations.size() == 0)
this.containerInitializationInProgress.set(null);
}
private synchronized void containersReset(String[] containerIDs) {
for (int i = 0; i < containerIDs.length; i++) {
String containerID = containerIDs[i];
Iterator projectIterator = this.containers.values().iterator();
while (projectIterator.hasNext()){
Map projectContainers = (Map) projectIterator.next();
if (projectContainers != null){
Iterator containerIterator = projectContainers.keySet().iterator();
while (containerIterator.hasNext()){
IPath containerPath = (IPath)containerIterator.next();
if (containerID.equals(containerPath.segment(0))) { // registered container
projectContainers.put(containerPath, null); // reset container value, but leave entry in Map
}
}
}
}
}
}
/**
* Returns the Java element corresponding to the given resource, or
* <code>null</code> if unable to associate the given resource
* with a Java element.
* <p>
* The resource must be one of:<ul>
* <li>a project - the element returned is the corresponding <code>IJavaProject</code></li>
* <li>a <code>.java</code> file - the element returned is the corresponding <code>ICompilationUnit</code></li>
* <li>a <code>.class</code> file - the element returned is the corresponding <code>IClassFile</code></li>
* <li>a ZIP archive (e.g. a <code>.jar</code>, a <code>.zip</code> file, etc.) - the element returned is the corresponding <code>IPackageFragmentRoot</code></li>
* <li>a folder - the element returned is the corresponding <code>IPackageFragmentRoot</code>
* or <code>IPackageFragment</code></li>
* <li>the workspace root resource - the element returned is the <code>IJavaModel</code></li>
* </ul>
* <p>
* Creating a Java element has the side effect of creating and opening all of the
* element's parents if they are not yet open.
*/
public static IJavaElement create(IResource resource, IJavaProject project) {
if (resource == null) {
return null;
}
int type = resource.getType();
switch (type) {
case IResource.PROJECT :
return JavaCore.create((IProject) resource);
case IResource.FILE :
return create((IFile) resource, project);
case IResource.FOLDER :
return create((IFolder) resource, project);
case IResource.ROOT :
return JavaCore.create((IWorkspaceRoot) resource);
default :
return null;
}
}
/**
* Returns the Java element corresponding to the given file, its project being the given
* project.
* Returns <code>null</code> if unable to associate the given file
* with a Java element.
*
* <p>The file must be one of:<ul>
* <li>a <code>.java</code> file - the element returned is the corresponding <code>ICompilationUnit</code></li>
* <li>a <code>.class</code> file - the element returned is the corresponding <code>IClassFile</code></li>
* <li>a ZIP archive (e.g. a <code>.jar</code>, a <code>.zip</code> file, etc.) - the element returned is the corresponding <code>IPackageFragmentRoot</code></li>
* </ul>
* <p>
* Creating a Java element has the side effect of creating and opening all of the
* element's parents if they are not yet open.
*/
public static IJavaElement create(IFile file, IJavaProject project) {
if (file == null) {
return null;
}
if (project == null) {
project = JavaCore.create(file.getProject());
}
if (file.getFileExtension() != null) {
String name = file.getName();
if (org.eclipse.jdt.internal.core.util.Util.isJavaLikeFileName(name))
return createCompilationUnitFrom(file, project);
if (org.eclipse.jdt.internal.compiler.util.Util.isClassFileName(name))
return createClassFileFrom(file, project);
return createJarPackageFragmentRootFrom(file, project);
}
return null;
}
/**
* Returns the package fragment or package fragment root corresponding to the given folder,
* its parent or great parent being the given project.
* or <code>null</code> if unable to associate the given folder with a Java element.
* <p>
* Note that a package fragment root is returned rather than a default package.
* <p>
* Creating a Java element has the side effect of creating and opening all of the
* element's parents if they are not yet open.
*/
public static IJavaElement create(IFolder folder, IJavaProject project) {
if (folder == null) {
return null;
}
IJavaElement element;
if (project == null) {
project = JavaCore.create(folder.getProject());
element = determineIfOnClasspath(folder, project);
if (element == null) {
// walk all projects and find one that have the given folder on its classpath
IJavaProject[] projects;
try {
projects = JavaModelManager.getJavaModelManager().getJavaModel().getJavaProjects();
} catch (JavaModelException e) {
return null;
}
for (int i = 0, length = projects.length; i < length; i++) {
project = projects[i];
element = determineIfOnClasspath(folder, project);
if (element != null)
break;
}
}
} else {
element = determineIfOnClasspath(folder, project);
}
return element;
}
/**
* Creates and returns a class file element for the given <code>.class</code> file,
* its project being the given project. Returns <code>null</code> if unable
* to recognize the class file.
*/
public static IClassFile createClassFileFrom(IFile file, IJavaProject project ) {
if (file == null) {
return null;
}
if (project == null) {
project = JavaCore.create(file.getProject());
}
IPackageFragment pkg = (IPackageFragment) determineIfOnClasspath(file, project);
if (pkg == null) {
// fix for 1FVS7WE
// not on classpath - make the root its folder, and a default package
PackageFragmentRoot root = (PackageFragmentRoot) project.getPackageFragmentRoot(file.getParent());
pkg = root.getPackageFragment(CharOperation.NO_STRINGS);
}
return pkg.getClassFile(file.getName());
}
/**
* Creates and returns a compilation unit element for the given <code>.java</code>
* file, its project being the given project. Returns <code>null</code> if unable
* to recognize the compilation unit.
*/
public static ICompilationUnit createCompilationUnitFrom(IFile file, IJavaProject project) {
if (file == null) return null;
if (project == null) {
project = JavaCore.create(file.getProject());
}
IPackageFragment pkg = (IPackageFragment) determineIfOnClasspath(file, project);
if (pkg == null) {
// not on classpath - make the root its folder, and a default package
PackageFragmentRoot root = (PackageFragmentRoot) project.getPackageFragmentRoot(file.getParent());
pkg = root.getPackageFragment(CharOperation.NO_STRINGS);
if (VERBOSE){
System.out.println("WARNING : creating unit element outside classpath ("+ Thread.currentThread()+"): " + file.getFullPath()); //$NON-NLS-1$//$NON-NLS-2$
}
}
return pkg.getCompilationUnit(file.getName());
}
/**
* Creates and returns a handle for the given JAR file, its project being the given project.
* The Java model associated with the JAR's project may be
* created as a side effect.
* Returns <code>null</code> if unable to create a JAR package fragment root.
* (for example, if the JAR file represents a non-Java resource)
*/
public static IPackageFragmentRoot createJarPackageFragmentRootFrom(IFile file, IJavaProject project) {
if (file == null) {
return null;
}
if (project == null) {
project = JavaCore.create(file.getProject());
}
// Create a jar package fragment root only if on the classpath
IPath resourcePath = file.getFullPath();
try {
IClasspathEntry entry = ((JavaProject)project).getClasspathEntryFor(resourcePath);
if (entry != null) {
return project.getPackageFragmentRoot(file);
}
} catch (JavaModelException e) {
// project doesn't exist: return null
}
return null;
}
/**
* Returns the package fragment root represented by the resource, or
* the package fragment the given resource is located in, or <code>null</code>
* if the given resource is not on the classpath of the given project.
*/
public static IJavaElement determineIfOnClasspath(IResource resource, IJavaProject project) {
IPath resourcePath = resource.getFullPath();
boolean isExternal = ExternalFoldersManager.isInternalPathForExternalFolder(resourcePath);
if (isExternal)
resourcePath = resource.getLocation();
try {
JavaProjectElementInfo projectInfo = (JavaProjectElementInfo) getJavaModelManager().getInfo(project);
ProjectCache projectCache = projectInfo == null ? null : projectInfo.projectCache;
HashtableOfArrayToObject allPkgFragmentsCache = projectCache == null ? null : projectCache.allPkgFragmentsCache;
boolean isJavaLike = org.eclipse.jdt.internal.core.util.Util.isJavaLikeFileName(resourcePath.lastSegment());
IClasspathEntry[] entries = isJavaLike ? project.getRawClasspath() // JAVA file can only live inside SRC folder (on the raw path)
: ((JavaProject)project).getResolvedClasspath();
int length = entries.length;
if (length > 0) {
String sourceLevel = project.getOption(JavaCore.COMPILER_SOURCE, true);
String complianceLevel = project.getOption(JavaCore.COMPILER_COMPLIANCE, true);
for (int i = 0; i < length; i++) {
IClasspathEntry entry = entries[i];
if (entry.getEntryKind() == IClasspathEntry.CPE_PROJECT) continue;
IPath rootPath = entry.getPath();
if (rootPath.equals(resourcePath)) {
if (isJavaLike)
return null;
return project.getPackageFragmentRoot(resource);
} else if (rootPath.isPrefixOf(resourcePath)) {
// allow creation of package fragment if it contains a .java file that is included
if (!Util.isExcluded(resource, ((ClasspathEntry)entry).fullInclusionPatternChars(), ((ClasspathEntry)entry).fullExclusionPatternChars())) {
// given we have a resource child of the root, it cannot be a JAR pkg root
PackageFragmentRoot root =
isExternal ?
new ExternalPackageFragmentRoot(rootPath, (JavaProject) project) :
(PackageFragmentRoot) ((JavaProject) project).getFolderPackageFragmentRoot(rootPath);
if (root == null) return null;
IPath pkgPath = resourcePath.removeFirstSegments(rootPath.segmentCount());
if (resource.getType() == IResource.FILE) {
// if the resource is a file, then remove the last segment which
// is the file name in the package
pkgPath = pkgPath.removeLastSegments(1);
}
String[] pkgName = pkgPath.segments();
// if package name is in the cache, then it has already been validated
// (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=133141)
if (allPkgFragmentsCache != null && allPkgFragmentsCache.containsKey(pkgName))
return root.getPackageFragment(pkgName);
if (pkgName.length != 0 && JavaConventions.validatePackageName(Util.packageName(pkgPath, sourceLevel, complianceLevel), sourceLevel, complianceLevel).getSeverity() == IStatus.ERROR) {
return null;
}
return root.getPackageFragment(pkgName);
}
}
}
}
} catch (JavaModelException npe) {
return null;
}
return null;
}
/**
* The singleton manager
*/
private static JavaModelManager MANAGER= new JavaModelManager();
/**
* Infos cache.
*/
private JavaModelCache cache;
/*
* Temporary cache of newly opened elements
*/
private ThreadLocal temporaryCache = new ThreadLocal();
/**
* Set of elements which are out of sync with their buffers.
*/
protected HashSet elementsOutOfSynchWithBuffers = new HashSet(11);
/**
* Holds the state used for delta processing.
*/
public DeltaProcessingState deltaState = new DeltaProcessingState();
public IndexManager indexManager = null;
/**
* Table from IProject to PerProjectInfo.
* NOTE: this object itself is used as a lock to synchronize creation/removal of per project infos
*/
protected Map perProjectInfos = new HashMap(5);
/**
* Table from WorkingCopyOwner to a table of ICompilationUnit (working copy handle) to PerWorkingCopyInfo.
* NOTE: this object itself is used as a lock to synchronize creation/removal of per working copy infos
*/
protected Map perWorkingCopyInfos = new HashMap(5);
/**
* A weak set of the known search scopes.
*/
protected WeakHashMap searchScopes = new WeakHashMap();
public static class PerProjectInfo {
private static final int JAVADOC_CACHE_INITIAL_SIZE = 10;
static final IJavaModelStatus NEED_RESOLUTION = new JavaModelStatus();
public IProject project;
public Object savedState;
public boolean triedRead;
public IClasspathEntry[] rawClasspath;
public IClasspathEntry[] referencedEntries;
public IJavaModelStatus rawClasspathStatus;
public int rawTimeStamp = 0;
public boolean writtingRawClasspath = false;
public IClasspathEntry[] resolvedClasspath;
public IJavaModelStatus unresolvedEntryStatus;
public Map rootPathToRawEntries; // reverse map from a package fragment root's path to the raw entry
public Map rootPathToResolvedEntries; // map from a package fragment root's path to the resolved entry
public IPath outputLocation;
public IEclipsePreferences preferences;
public Hashtable options;
public Hashtable secondaryTypes;
public LRUCache javadocCache;
public PerProjectInfo(IProject project) {
this.triedRead = false;
this.savedState = null;
this.project = project;
this.javadocCache = new LRUCache(JAVADOC_CACHE_INITIAL_SIZE);
}
public synchronized IClasspathEntry[] getResolvedClasspath() {
if (this.unresolvedEntryStatus == NEED_RESOLUTION)
return null;
return this.resolvedClasspath;
}
public void forgetExternalTimestampsAndIndexes() {
IClasspathEntry[] classpath = this.resolvedClasspath;
if (classpath == null) return;
JavaModelManager manager = JavaModelManager.getJavaModelManager();
IndexManager indexManager = manager.indexManager;
Map externalTimeStamps = manager.deltaState.getExternalLibTimeStamps();
HashMap rootInfos = JavaModelManager.getDeltaState().otherRoots;
for (int i = 0, length = classpath.length; i < length; i++) {
IClasspathEntry entry = classpath[i];
if (entry.getEntryKind() == IClasspathEntry.CPE_LIBRARY) {
IPath path = entry.getPath();
if (rootInfos.get(path) == null) {
externalTimeStamps.remove(path);
indexManager.removeIndex(path); // force reindexing on next reference (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=250083 )
}
}
}
}
public void rememberExternalLibTimestamps() {
IClasspathEntry[] classpath = this.resolvedClasspath;
if (classpath == null) return;
Map externalTimeStamps = JavaModelManager.getJavaModelManager().deltaState.getExternalLibTimeStamps();
for (int i = 0, length = classpath.length; i < length; i++) {
IClasspathEntry entry = classpath[i];
if (entry.getEntryKind() == IClasspathEntry.CPE_LIBRARY) {
IPath path = entry.getPath();
if (externalTimeStamps.get(path) == null) {
Object target = JavaModel.getExternalTarget(path, true);
if (target instanceof File) {
long timestamp = DeltaProcessor.getTimeStamp((java.io.File)target);
externalTimeStamps.put(path, new Long(timestamp));
}
}
}
}
}
public synchronized ClasspathChange resetResolvedClasspath() {
// clear non-chaining jars cache
JavaModelManager.getJavaModelManager().resetNonChainingJarsCache();
// null out resolved information
return setResolvedClasspath(null, null, null, null, this.rawTimeStamp, true/*add classpath change*/);
}
private ClasspathChange setClasspath(IClasspathEntry[] newRawClasspath, IClasspathEntry[] referencedEntries, IPath newOutputLocation, IJavaModelStatus newRawClasspathStatus, IClasspathEntry[] newResolvedClasspath, Map newRootPathToRawEntries, Map newRootPathToResolvedEntries, IJavaModelStatus newUnresolvedEntryStatus, boolean addClasspathChange) {
ClasspathChange classpathChange = addClasspathChange ? addClasspathChange() : null;
if (referencedEntries != null) this.referencedEntries = referencedEntries;
if (this.referencedEntries == null) this.referencedEntries = ClasspathEntry.NO_ENTRIES;
this.rawClasspath = newRawClasspath;
this.outputLocation = newOutputLocation;
this.rawClasspathStatus = newRawClasspathStatus;
this.resolvedClasspath = newResolvedClasspath;
this.rootPathToRawEntries = newRootPathToRawEntries;
this.rootPathToResolvedEntries = newRootPathToResolvedEntries;
this.unresolvedEntryStatus = newUnresolvedEntryStatus;
this.javadocCache = new LRUCache(JAVADOC_CACHE_INITIAL_SIZE);
return classpathChange;
}
protected ClasspathChange addClasspathChange() {
// remember old info
JavaModelManager manager = JavaModelManager.getJavaModelManager();
ClasspathChange classpathChange = manager.deltaState.addClasspathChange(this.project, this.rawClasspath, this.outputLocation, this.resolvedClasspath);
return classpathChange;
}
public ClasspathChange setRawClasspath(IClasspathEntry[] newRawClasspath, IPath newOutputLocation, IJavaModelStatus newRawClasspathStatus) {
return setRawClasspath(newRawClasspath, null, newOutputLocation, newRawClasspathStatus);
}
public synchronized ClasspathChange setRawClasspath(IClasspathEntry[] newRawClasspath, IClasspathEntry[] referencedEntries, IPath newOutputLocation, IJavaModelStatus newRawClasspathStatus) {
this.rawTimeStamp++;
return setClasspath(newRawClasspath, referencedEntries, newOutputLocation, newRawClasspathStatus, null/*resolved classpath*/, null/*root to raw map*/, null/*root to resolved map*/, null/*unresolved status*/, true/*add classpath change*/);
}
public ClasspathChange setResolvedClasspath(IClasspathEntry[] newResolvedClasspath, Map newRootPathToRawEntries, Map newRootPathToResolvedEntries, IJavaModelStatus newUnresolvedEntryStatus, int timeStamp, boolean addClasspathChange) {
return setResolvedClasspath(newResolvedClasspath, null, newRootPathToRawEntries, newRootPathToResolvedEntries, newUnresolvedEntryStatus, timeStamp, addClasspathChange);
}
public synchronized ClasspathChange setResolvedClasspath(IClasspathEntry[] newResolvedClasspath, IClasspathEntry[] referencedEntries, Map newRootPathToRawEntries, Map newRootPathToResolvedEntries, IJavaModelStatus newUnresolvedEntryStatus, int timeStamp, boolean addClasspathChange) {
if (this.rawTimeStamp != timeStamp)
return null;
return setClasspath(this.rawClasspath, referencedEntries, this.outputLocation, this.rawClasspathStatus, newResolvedClasspath, newRootPathToRawEntries, newRootPathToResolvedEntries, newUnresolvedEntryStatus, addClasspathChange);
}
/**
* Reads the classpath and caches the entries. Returns a two-dimensional array, where the number of elements in the row is fixed to 2.
* The first element is an array of raw classpath entries and the second element is an array of referenced entries that may have been stored
* by the client earlier. See {@link IJavaProject#getReferencedClasspathEntries()} for more details.
*
*/
public synchronized IClasspathEntry[][] readAndCacheClasspath(JavaProject javaProject) {
// read file entries and update status
IClasspathEntry[][] classpath;
IJavaModelStatus status;
try {
classpath = javaProject.readFileEntriesWithException(null/*not interested in unknown elements*/);
status = JavaModelStatus.VERIFIED_OK;
} catch (CoreException e) {
classpath = new IClasspathEntry[][]{JavaProject.INVALID_CLASSPATH, ClasspathEntry.NO_ENTRIES};
status =
new JavaModelStatus(
IJavaModelStatusConstants.INVALID_CLASSPATH_FILE_FORMAT,
Messages.bind(Messages.classpath_cannotReadClasspathFile, javaProject.getElementName()));
} catch (IOException e) {
classpath = new IClasspathEntry[][]{JavaProject.INVALID_CLASSPATH, ClasspathEntry.NO_ENTRIES};
if (Messages.file_badFormat.equals(e.getMessage()))
status =
new JavaModelStatus(
IJavaModelStatusConstants.INVALID_CLASSPATH_FILE_FORMAT,
Messages.bind(Messages.classpath_xmlFormatError, javaProject.getElementName(), Messages.file_badFormat));
else
status =
new JavaModelStatus(
IJavaModelStatusConstants.INVALID_CLASSPATH_FILE_FORMAT,
Messages.bind(Messages.classpath_cannotReadClasspathFile, javaProject.getElementName()));
} catch (ClasspathEntry.AssertionFailedException e) {
classpath = new IClasspathEntry[][]{JavaProject.INVALID_CLASSPATH, ClasspathEntry.NO_ENTRIES};
status =
new JavaModelStatus(
IJavaModelStatusConstants.INVALID_CLASSPATH_FILE_FORMAT,
Messages.bind(Messages.classpath_illegalEntryInClasspathFile, new String[] {javaProject.getElementName(), e.getMessage()}));
}
// extract out the output location
int rawClasspathLength = classpath[0].length;
IPath output = null;
if (rawClasspathLength > 0) {
IClasspathEntry entry = classpath[0][rawClasspathLength - 1];
if (entry.getContentKind() == ClasspathEntry.K_OUTPUT) {
output = entry.getPath();
IClasspathEntry[] copy = new IClasspathEntry[rawClasspathLength - 1];
System.arraycopy(classpath[0], 0, copy, 0, copy.length);
classpath[0] = copy;
}
}
// store new raw classpath, new output and new status, and null out resolved info
setRawClasspath(classpath[0], classpath[1], output, status);
return classpath;
}
public String toString() {
StringBuffer buffer = new StringBuffer();
buffer.append("Info for "); //$NON-NLS-1$
buffer.append(this.project.getFullPath());
buffer.append("\nRaw classpath:\n"); //$NON-NLS-1$
if (this.rawClasspath == null) {
buffer.append(" <null>\n"); //$NON-NLS-1$
} else {
for (int i = 0, length = this.rawClasspath.length; i < length; i++) {
buffer.append(" "); //$NON-NLS-1$
buffer.append(this.rawClasspath[i]);
buffer.append('\n');
}
}
buffer.append("Resolved classpath:\n"); //$NON-NLS-1$
IClasspathEntry[] resolvedCP = this.resolvedClasspath;
if (resolvedCP == null) {
buffer.append(" <null>\n"); //$NON-NLS-1$
} else {
for (int i = 0, length = resolvedCP.length; i < length; i++) {
buffer.append(" "); //$NON-NLS-1$
buffer.append(resolvedCP[i]);
buffer.append('\n');
}
}
buffer.append("Resolved classpath status: "); //$NON-NLS-1$
if (this.unresolvedEntryStatus == NEED_RESOLUTION)
buffer.append("NEED RESOLUTION"); //$NON-NLS-1$
else
buffer.append(this.unresolvedEntryStatus == null ? "<null>\n" : this.unresolvedEntryStatus.toString()); //$NON-NLS-1$
buffer.append("Output location:\n "); //$NON-NLS-1$
if (this.outputLocation == null) {
buffer.append("<null>"); //$NON-NLS-1$
} else {
buffer.append(this.outputLocation);
}
return buffer.toString();
}
public boolean writeAndCacheClasspath(
JavaProject javaProject,
final IClasspathEntry[] newRawClasspath,
IClasspathEntry[] newReferencedEntries,
final IPath newOutputLocation) throws JavaModelException {
try {
this.writtingRawClasspath = true;
if (newReferencedEntries == null) newReferencedEntries = this.referencedEntries;
// write .classpath
if (!javaProject.writeFileEntries(newRawClasspath, newReferencedEntries, newOutputLocation)) {
return false;
}
// store new raw classpath, new output and new status, and null out resolved info
setRawClasspath(newRawClasspath, newReferencedEntries, newOutputLocation, JavaModelStatus.VERIFIED_OK);
} finally {
this.writtingRawClasspath = false;
}
return true;
}
public boolean writeAndCacheClasspath(JavaProject javaProject, final IClasspathEntry[] newRawClasspath, final IPath newOutputLocation) throws JavaModelException {
return writeAndCacheClasspath(javaProject, newRawClasspath, null, newOutputLocation);
}
}
public static class PerWorkingCopyInfo implements IProblemRequestor {
int useCount = 0;
IProblemRequestor problemRequestor;
CompilationUnit workingCopy;
public PerWorkingCopyInfo(CompilationUnit workingCopy, IProblemRequestor problemRequestor) {
this.workingCopy = workingCopy;
this.problemRequestor = problemRequestor;
}
public void acceptProblem(IProblem problem) {
IProblemRequestor requestor = getProblemRequestor();
if (requestor == null) return;
requestor.acceptProblem(problem);
}
public void beginReporting() {
IProblemRequestor requestor = getProblemRequestor();
if (requestor == null) return;
requestor.beginReporting();
}
public void endReporting() {
IProblemRequestor requestor = getProblemRequestor();
if (requestor == null) return;
requestor.endReporting();
}
public IProblemRequestor getProblemRequestor() {
if (this.problemRequestor == null && this.workingCopy.owner != null) {
return this.workingCopy.owner.getProblemRequestor(this.workingCopy);
}
return this.problemRequestor;
}
public ICompilationUnit getWorkingCopy() {
return this.workingCopy;
}
public boolean isActive() {
IProblemRequestor requestor = getProblemRequestor();
return requestor != null && requestor.isActive();
}
public String toString() {
StringBuffer buffer = new StringBuffer();
buffer.append("Info for "); //$NON-NLS-1$
buffer.append(((JavaElement)this.workingCopy).toStringWithAncestors());
buffer.append("\nUse count = "); //$NON-NLS-1$
buffer.append(this.useCount);
buffer.append("\nProblem requestor:\n "); //$NON-NLS-1$
buffer.append(this.problemRequestor);
if (this.problemRequestor == null) {
IProblemRequestor requestor = getProblemRequestor();
buffer.append("\nOwner problem requestor:\n "); //$NON-NLS-1$
buffer.append(requestor);
}
return buffer.toString();
}
}
public static boolean VERBOSE = false;
public static boolean CP_RESOLVE_VERBOSE = false;
public static boolean CP_RESOLVE_VERBOSE_ADVANCED = false;
public static boolean CP_RESOLVE_VERBOSE_FAILURE = false;
public static boolean ZIP_ACCESS_VERBOSE = false;
// temporary debug flag to track failures of bug 302850
public static boolean DEBUG_302850 = false;
/**
* A cache of opened zip files per thread.
* (for a given thread, the object value is a HashMap from IPath to java.io.ZipFile)
*/
private ThreadLocal zipFiles = new ThreadLocal();
private UserLibraryManager userLibraryManager;
/*
* List of IPath of jars that are known to not contain a chaining (through MANIFEST.MF) to another library
*/
private Set nonChainingJars;
/**
* Update the classpath variable cache
*/
public static class EclipsePreferencesListener implements IEclipsePreferences.IPreferenceChangeListener {
/**
* @see org.eclipse.core.runtime.preferences.IEclipsePreferences.IPreferenceChangeListener#preferenceChange(org.eclipse.core.runtime.preferences.IEclipsePreferences.PreferenceChangeEvent)
*/
public void preferenceChange(IEclipsePreferences.PreferenceChangeEvent event) {
String propertyName = event.getKey();
if (propertyName.startsWith(JavaCore.PLUGIN_ID)) {
if (propertyName.startsWith(CP_VARIABLE_PREFERENCES_PREFIX)) {
String varName = propertyName.substring(CP_VARIABLE_PREFERENCES_PREFIX.length());
JavaModelManager manager = getJavaModelManager();
if (manager.variablesWithInitializer.contains(varName)) {
// revert preference value as we will not apply it to JavaCore classpath variable
String oldValue = (String) event.getOldValue();
if (oldValue == null) {
// unexpected old value => remove variable from set
manager.variablesWithInitializer.remove(varName);
} else {
manager.getInstancePreferences().put(varName, oldValue);
}
} else {
String newValue = (String)event.getNewValue();
IPath newPath;
if (newValue != null && !(newValue = newValue.trim()).equals(CP_ENTRY_IGNORE)) {
newPath = new Path(newValue);
} else {
newPath = null;
}
try {
SetVariablesOperation operation = new SetVariablesOperation(new String[] {varName}, new IPath[] {newPath}, false/*don't update preferences*/);
operation.runOperation(null/*no progress available*/);
} catch (JavaModelException e) {
Util.log(e, "Could not set classpath variable " + varName + " to " + newPath); //$NON-NLS-1$ //$NON-NLS-2$
}
}
} else if (propertyName.startsWith(CP_CONTAINER_PREFERENCES_PREFIX)) {
recreatePersistedContainer(propertyName, (String)event.getNewValue(), false);
} else if (propertyName.equals(JavaCore.CORE_JAVA_BUILD_CLEAN_OUTPUT_FOLDER) ||
propertyName.equals(JavaCore.CORE_JAVA_BUILD_RESOURCE_COPY_FILTER) ||
propertyName.equals(JavaCore.CORE_JAVA_BUILD_DUPLICATE_RESOURCE) ||
propertyName.equals(JavaCore.CORE_JAVA_BUILD_RECREATE_MODIFIED_CLASS_FILES_IN_OUTPUT_FOLDER) ||
propertyName.equals(JavaCore.CORE_JAVA_BUILD_INVALID_CLASSPATH) ||
propertyName.equals(JavaCore.CORE_ENABLE_CLASSPATH_EXCLUSION_PATTERNS) ||
propertyName.equals(JavaCore.CORE_ENABLE_CLASSPATH_MULTIPLE_OUTPUT_LOCATIONS) ||
propertyName.equals(JavaCore.CORE_INCOMPLETE_CLASSPATH) ||
propertyName.equals(JavaCore.CORE_CIRCULAR_CLASSPATH) ||
propertyName.equals(JavaCore.CORE_INCOMPATIBLE_JDK_LEVEL)) {
JavaModelManager manager = JavaModelManager.getJavaModelManager();
IJavaModel model = manager.getJavaModel();
IJavaProject[] projects;
try {
projects = model.getJavaProjects();
for (int i = 0, pl = projects.length; i < pl; i++) {
JavaProject javaProject = (JavaProject) projects[i];
manager.deltaState.addClasspathValidation(javaProject);
try {
// need to touch the project to force validation by DeltaProcessor
javaProject.getProject().touch(null);
} catch (CoreException e) {
// skip
}
}
} catch (JavaModelException e) {
// skip
}
} else if (propertyName.startsWith(CP_USERLIBRARY_PREFERENCES_PREFIX)) {
String libName = propertyName.substring(CP_USERLIBRARY_PREFERENCES_PREFIX.length());
UserLibraryManager manager = JavaModelManager.getUserLibraryManager();
manager.updateUserLibrary(libName, (String)event.getNewValue());
}
}
// Reset all project caches (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=233568 )
try {
IJavaProject[] projects = JavaModelManager.getJavaModelManager().getJavaModel().getJavaProjects();
for (int i = 0, length = projects.length; i < length; i++) {
((JavaProject) projects[i]).resetCaches();
}
} catch (JavaModelException e) {
// cannot retrieve Java projects
}
}
}
/**
* Listener on eclipse preferences changes.
*/
EclipsePreferencesListener instancePreferencesListener = new EclipsePreferencesListener();
/**
* Listener on eclipse preferences default/instance node changes.
*/
IEclipsePreferences.INodeChangeListener instanceNodeListener = new IEclipsePreferences.INodeChangeListener() {
public void added(IEclipsePreferences.NodeChangeEvent event) {
// do nothing
}
public void removed(IEclipsePreferences.NodeChangeEvent event) {
if (event.getChild() == JavaModelManager.this.preferencesLookup[PREF_INSTANCE]) {
JavaModelManager.this.preferencesLookup[PREF_INSTANCE] = ((IScopeContext) new InstanceScope()).getNode(JavaCore.PLUGIN_ID);
JavaModelManager.this.preferencesLookup[PREF_INSTANCE].addPreferenceChangeListener(new EclipsePreferencesListener());
}
}
};
IEclipsePreferences.INodeChangeListener defaultNodeListener = new IEclipsePreferences.INodeChangeListener() {
public void added(IEclipsePreferences.NodeChangeEvent event) {
// do nothing
}
public void removed(IEclipsePreferences.NodeChangeEvent event) {
if (event.getChild() == JavaModelManager.this.preferencesLookup[PREF_DEFAULT]) {
JavaModelManager.this.preferencesLookup[PREF_DEFAULT] = ((IScopeContext) new DefaultScope()).getNode(JavaCore.PLUGIN_ID);
}
}
};
/**
* Listener on properties changes.
*/
IEclipsePreferences.IPreferenceChangeListener propertyListener;
IEclipsePreferences.IPreferenceChangeListener resourcesPropertyListener;
/**
* Constructs a new JavaModelManager
*/
private JavaModelManager() {
// singleton: prevent others from creating a new instance
/*
* It is required to initialize all fields that depends on a headless environment
* only if the platform is running. Otherwise this breaks the ability to use
* ASTParser in a non-headless environment.
*/
if (Platform.isRunning()) {
this.indexManager = new IndexManager();
this.nonChainingJars = loadNonChainingJarsCache();
String includeContainerReferencedLib = System.getProperty(RESOLVE_REFERENCED_LIBRARIES_FOR_CONTAINERS);
this.resolveReferencedLibrariesForContainers = TRUE.equalsIgnoreCase(includeContainerReferencedLib);
}
}
/**
* @deprecated
*/
private void addDeprecatedOptions(Hashtable options) {
options.put(JavaCore.COMPILER_PB_INVALID_IMPORT, JavaCore.ERROR);
options.put(JavaCore.COMPILER_PB_UNREACHABLE_CODE, JavaCore.ERROR);
}
public void addNonChainingJar(IPath path) {
if (this.nonChainingJars != null)
this.nonChainingJars.add(path);
}
/**
* Starts caching ZipFiles.
* Ignores if there are already clients.
*/
public void cacheZipFiles(Object owner) {
ZipCache zipCache = (ZipCache) this.zipFiles.get();
if (zipCache != null) {
return;
}
// the owner will be responsible for flushing the cache
this.zipFiles.set(new ZipCache(owner));
}
public void closeZipFile(ZipFile zipFile) {
if (zipFile == null) return;
if (this.zipFiles.get() != null) {
return; // zip file will be closed by call to flushZipFiles
}
try {
if (JavaModelManager.ZIP_ACCESS_VERBOSE) {
System.out.println("(" + Thread.currentThread() + ") [JavaModelManager.closeZipFile(ZipFile)] Closing ZipFile on " +zipFile.getName()); //$NON-NLS-1$ //$NON-NLS-2$
}
zipFile.close();
} catch (IOException e) {
// problem occured closing zip file: cannot do much more
}
}
/**
* Configure the plugin with respect to option settings defined in ".options" file
*/
public void configurePluginDebugOptions(){
if(JavaCore.getPlugin().isDebugging()){
String option = Platform.getDebugOption(BUFFER_MANAGER_DEBUG);
if(option != null) BufferManager.VERBOSE = option.equalsIgnoreCase(TRUE) ;
option = Platform.getDebugOption(BUILDER_DEBUG);
if(option != null) JavaBuilder.DEBUG = option.equalsIgnoreCase(TRUE) ;
option = Platform.getDebugOption(COMPILER_DEBUG);
if(option != null) Compiler.DEBUG = option.equalsIgnoreCase(TRUE) ;
option = Platform.getDebugOption(BUILDER_STATS_DEBUG);
if(option != null) JavaBuilder.SHOW_STATS = option.equalsIgnoreCase(TRUE) ;
option = Platform.getDebugOption(COMPLETION_DEBUG);
if(option != null) CompletionEngine.DEBUG = option.equalsIgnoreCase(TRUE) ;
option = Platform.getDebugOption(CP_RESOLVE_DEBUG);
if(option != null) JavaModelManager.CP_RESOLVE_VERBOSE = option.equalsIgnoreCase(TRUE) ;
option = Platform.getDebugOption(CP_RESOLVE_ADVANCED_DEBUG);
if(option != null) JavaModelManager.CP_RESOLVE_VERBOSE_ADVANCED = option.equalsIgnoreCase(TRUE) ;
option = Platform.getDebugOption(CP_RESOLVE_FAILURE_DEBUG);
if(option != null) JavaModelManager.CP_RESOLVE_VERBOSE_FAILURE = option.equalsIgnoreCase(TRUE) ;
option = Platform.getDebugOption(DELTA_DEBUG);
if(option != null) DeltaProcessor.DEBUG = option.equalsIgnoreCase(TRUE) ;
option = Platform.getDebugOption(DELTA_DEBUG_VERBOSE);
if(option != null) DeltaProcessor.VERBOSE = option.equalsIgnoreCase(TRUE) ;
option = Platform.getDebugOption(HIERARCHY_DEBUG);
if(option != null) TypeHierarchy.DEBUG = option.equalsIgnoreCase(TRUE) ;
option = Platform.getDebugOption(INDEX_MANAGER_DEBUG);
if(option != null) JobManager.VERBOSE = option.equalsIgnoreCase(TRUE) ;
option = Platform.getDebugOption(INDEX_MANAGER_ADVANCED_DEBUG);
if(option != null) IndexManager.DEBUG = option.equalsIgnoreCase(TRUE) ;
option = Platform.getDebugOption(JAVAMODEL_DEBUG);
if(option != null) JavaModelManager.VERBOSE = option.equalsIgnoreCase(TRUE) ;
option = Platform.getDebugOption(JAVAMODELCACHE_DEBUG);
if(option != null) JavaModelCache.VERBOSE = option.equalsIgnoreCase(TRUE) ;
option = Platform.getDebugOption(POST_ACTION_DEBUG);
if(option != null) JavaModelOperation.POST_ACTION_VERBOSE = option.equalsIgnoreCase(TRUE) ;
option = Platform.getDebugOption(RESOLUTION_DEBUG);
if(option != null) NameLookup.VERBOSE = option.equalsIgnoreCase(TRUE) ;
option = Platform.getDebugOption(SEARCH_DEBUG);
if(option != null) BasicSearchEngine.VERBOSE = option.equalsIgnoreCase(TRUE) ;
option = Platform.getDebugOption(SELECTION_DEBUG);
if(option != null) SelectionEngine.DEBUG = option.equalsIgnoreCase(TRUE) ;
option = Platform.getDebugOption(ZIP_ACCESS_DEBUG);
if(option != null) JavaModelManager.ZIP_ACCESS_VERBOSE = option.equalsIgnoreCase(TRUE) ;
option = Platform.getDebugOption(SOURCE_MAPPER_DEBUG_VERBOSE);
if(option != null) SourceMapper.VERBOSE = option.equalsIgnoreCase(TRUE) ;
option = Platform.getDebugOption(FORMATTER_DEBUG);
if(option != null) DefaultCodeFormatter.DEBUG = option.equalsIgnoreCase(TRUE) ;
}
// configure performance options
if(PerformanceStats.ENABLED) {
CompletionEngine.PERF = PerformanceStats.isEnabled(COMPLETION_PERF);
SelectionEngine.PERF = PerformanceStats.isEnabled(SELECTION_PERF);
DeltaProcessor.PERF = PerformanceStats.isEnabled(DELTA_LISTENER_PERF);
JavaModelManager.PERF_VARIABLE_INITIALIZER = PerformanceStats.isEnabled(VARIABLE_INITIALIZER_PERF);
JavaModelManager.PERF_CONTAINER_INITIALIZER = PerformanceStats.isEnabled(CONTAINER_INITIALIZER_PERF);
ReconcileWorkingCopyOperation.PERF = PerformanceStats.isEnabled(RECONCILE_PERF);
}
}
/*
* Return a new Java 6 annotation processor manager. The manager will need to
* be configured before it can be used. Returns null if a manager cannot be
* created, i.e. if the current VM does not support Java 6 annotation processing.
*/
public AbstractAnnotationProcessorManager createAnnotationProcessorManager() {
synchronized(this) {
if (this.annotationProcessorManagerFactory == null) {
IExtensionPoint extension = Platform.getExtensionRegistry().getExtensionPoint(JavaCore.PLUGIN_ID, ANNOTATION_PROCESSOR_MANAGER_EXTPOINT_ID);
if (extension == null)
return null;
IExtension[] extensions = extension.getExtensions();
for(int i = 0; i < extensions.length; i++) {
if (i > 0) {
Util.log(null, "An annotation processor manager is already registered: ignoring " + extensions[i].getUniqueIdentifier()); //$NON-NLS-1$
break;
}
IConfigurationElement[] configElements = extensions[i].getConfigurationElements();
for(int j = 0; j < configElements.length; j++) {
final IConfigurationElement configElement = configElements[j];
if ("annotationProcessorManager".equals(configElement.getName())) { //$NON-NLS-1$
this.annotationProcessorManagerFactory = configElement;
break;
}
}
}
}
}
if (this.annotationProcessorManagerFactory == null) {
return null;
}
final AbstractAnnotationProcessorManager[] apm = new AbstractAnnotationProcessorManager[1];
apm[0] = null;
final IConfigurationElement factory = this.annotationProcessorManagerFactory;
SafeRunner.run(new ISafeRunnable() {
public void handleException(Throwable exception) {
Util.log(exception, "Exception occurred while loading annotation processor manager"); //$NON-NLS-1$
}
public void run() throws Exception {
Object executableExtension = factory.createExecutableExtension("class"); //$NON-NLS-1$
if (executableExtension instanceof AbstractAnnotationProcessorManager) {
apm[0] = (AbstractAnnotationProcessorManager) executableExtension;
}
}
});
return apm[0];
}
/*
* Discards the per working copy info for the given working copy (making it a compilation unit)
* if its use count was 1. Otherwise, just decrement the use count.
* If the working copy is primary, computes the delta between its state and the original compilation unit
* and register it.
* Close the working copy, its buffer and remove it from the shared working copy table.
* Ignore if no per-working copy info existed.
* NOTE: it must NOT be synchronized as it may interact with the element info cache (if useCount is decremented to 0), see bug 50667.
* Returns the new use count (or -1 if it didn't exist).
*/
public int discardPerWorkingCopyInfo(CompilationUnit workingCopy) throws JavaModelException {
// create the delta builder (this remembers the current content of the working copy)
// outside the perWorkingCopyInfos lock (see bug 50667)
JavaElementDeltaBuilder deltaBuilder = null;
if (workingCopy.isPrimary() && workingCopy.hasUnsavedChanges()) {
deltaBuilder = new JavaElementDeltaBuilder(workingCopy);
}
PerWorkingCopyInfo info = null;
synchronized(this.perWorkingCopyInfos) {
WorkingCopyOwner owner = workingCopy.owner;
Map workingCopyToInfos = (Map)this.perWorkingCopyInfos.get(owner);
if (workingCopyToInfos == null) return -1;
info = (PerWorkingCopyInfo)workingCopyToInfos.get(workingCopy);
if (info == null) return -1;
if (--info.useCount == 0) {
// remove per working copy info
workingCopyToInfos.remove(workingCopy);
if (workingCopyToInfos.isEmpty()) {
this.perWorkingCopyInfos.remove(owner);
}
}
}
if (info.useCount == 0) { // info cannot be null here (check was done above)
// remove infos + close buffer (since no longer working copy)
// outside the perWorkingCopyInfos lock (see bug 50667)
removeInfoAndChildren(workingCopy);
workingCopy.closeBuffer();
// compute the delta if needed and register it if there are changes
if (deltaBuilder != null) {
deltaBuilder.buildDeltas();
if (deltaBuilder.delta != null) {
getDeltaProcessor().registerJavaModelDelta(deltaBuilder.delta);
}
}
}
return info.useCount;
}
/**
* @see ISaveParticipant
*/
public void doneSaving(ISaveContext context){
// nothing to do for jdt.core
}
/**
* Flushes ZipFiles cache if there are no more clients.
*/
public void flushZipFiles(Object owner) {
ZipCache zipCache = (ZipCache)this.zipFiles.get();
if (zipCache == null) {
return;
}
// the owner will be responsible for flushing the cache
// we want to check object identity to make sure this is the owner that created the cache
if (zipCache.owner == owner) {
this.zipFiles.set(null);
zipCache.flush();
}
}
/*
* Returns true if forcing batch initialization was successful.
* Returns false if batch initialization is already running.
*/
public synchronized boolean forceBatchInitializations(boolean initAfterLoad) {
switch (this.batchContainerInitializations) {
case NO_BATCH_INITIALIZATION:
this.batchContainerInitializations = NEED_BATCH_INITIALIZATION;
return true;
case BATCH_INITIALIZATION_FINISHED:
if (initAfterLoad)
return false; // no need to initialize again
this.batchContainerInitializations = NEED_BATCH_INITIALIZATION;
return true;
}
return false;
}
private synchronized boolean batchContainerInitializations() {
switch (this.batchContainerInitializations) {
case NEED_BATCH_INITIALIZATION:
this.batchContainerInitializations = BATCH_INITIALIZATION_IN_PROGRESS;
return true;
case BATCH_INITIALIZATION_IN_PROGRESS:
return true;
}
return false;
}
private synchronized void batchInitializationFinished() {
this.batchContainerInitializations = BATCH_INITIALIZATION_FINISHED;
}
public IClasspathContainer getClasspathContainer(final IPath containerPath, final IJavaProject project) throws JavaModelException {
IClasspathContainer container = containerGet(project, containerPath);
if (container == null) {
if (batchContainerInitializations()) {
// avoid deep recursion while initializing container on workspace restart
// (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=60437)
try {
container = initializeAllContainers(project, containerPath);
} finally {
batchInitializationFinished();
}
} else {
container = initializeContainer(project, containerPath);
containerBeingInitializedRemove(project, containerPath);
SetContainerOperation operation = new SetContainerOperation(containerPath, new IJavaProject[] {project}, new IClasspathContainer[] {container});
operation.runOperation(null);
}
}
return container;
}
public IClasspathEntry[] getReferencedClasspathEntries(IClasspathEntry libraryEntry, IJavaProject project) {
IClasspathEntry[] referencedEntries = ((ClasspathEntry)libraryEntry).resolvedChainedLibraries();
if (project == null)
return referencedEntries;
PerProjectInfo perProjectInfo = getPerProjectInfo(project.getProject(), false);
if(perProjectInfo == null)
return referencedEntries;
List pathToReferencedEntries = new ArrayList(referencedEntries.length);
for (int index = 0; index < referencedEntries.length; index++) {
if (pathToReferencedEntries.contains(referencedEntries[index].getPath()))
continue;
IClasspathEntry persistedEntry = null;
if ((persistedEntry = (IClasspathEntry)perProjectInfo.rootPathToResolvedEntries.get(referencedEntries[index].getPath())) != null) {
// TODO: reconsider this - may want to copy the values instead of reference assignment?
referencedEntries[index] = persistedEntry;
}
pathToReferencedEntries.add(referencedEntries[index].getPath());
}
return referencedEntries;
}
public DeltaProcessor getDeltaProcessor() {
return this.deltaState.getDeltaProcessor();
}
public static DeltaProcessingState getDeltaState() {
return MANAGER.deltaState;
}
/**
* Returns the set of elements which are out of synch with their buffers.
*/
protected HashSet getElementsOutOfSynchWithBuffers() {
return this.elementsOutOfSynchWithBuffers;
}
public static ExternalFoldersManager getExternalManager() {
return MANAGER.externalFoldersManager;
}
public static IndexManager getIndexManager() {
return MANAGER.indexManager;
}
/**
* Returns the info for the element.
*/
public synchronized Object getInfo(IJavaElement element) {
HashMap tempCache = (HashMap)this.temporaryCache.get();
if (tempCache != null) {
Object result = tempCache.get(element);
if (result != null) {
return result;
}
}
return this.cache.getInfo(element);
}
/**
* Returns the existing element in the cache that is equal to the given element.
*/
public synchronized IJavaElement getExistingElement(IJavaElement element) {
return this.cache.getExistingElement(element);
}
public HashSet getExternalWorkingCopyProjects() {
synchronized (this.perWorkingCopyInfos) {
HashSet result = null;
Iterator values = this.perWorkingCopyInfos.values().iterator();
while (values.hasNext()) {
Map ownerCopies = (Map) values.next();
Iterator workingCopies = ownerCopies.keySet().iterator();
while (workingCopies.hasNext()) {
ICompilationUnit workingCopy = (ICompilationUnit) workingCopies.next();
IJavaProject project = workingCopy.getJavaProject();
if (project.getElementName().equals(ExternalJavaProject.EXTERNAL_PROJECT_NAME)) {
if (result == null)
result = new HashSet();
result.add(project);
}
}
}
return result;
}
}
/**
* Get workspace eclipse preference for JavaCore plug-in.
*/
public IEclipsePreferences getInstancePreferences() {
return this.preferencesLookup[PREF_INSTANCE];
}
// If modified, also modify the method getDefaultOptionsNoInitialization()
public Hashtable getDefaultOptions(){
Hashtable defaultOptions = new Hashtable(10);
// see JavaCorePreferenceInitializer#initializeDefaultPluginPreferences() for changing default settings
// If modified, also modify the method getDefaultOptionsNoInitialization()
IEclipsePreferences defaultPreferences = getDefaultPreferences();
// initialize preferences to their default
Iterator iterator = this.optionNames.iterator();
while (iterator.hasNext()) {
String propertyName = (String) iterator.next();
String value = defaultPreferences.get(propertyName, null);
if (value != null) defaultOptions.put(propertyName, value);
}
// get encoding through resource plugin
defaultOptions.put(JavaCore.CORE_ENCODING, JavaCore.getEncoding());
// backward compatibility
addDeprecatedOptions(defaultOptions);
return defaultOptions;
}
/**
* Get default eclipse preference for JavaCore plugin.
*/
public IEclipsePreferences getDefaultPreferences() {
return this.preferencesLookup[PREF_DEFAULT];
}
/**
* Returns the handle to the active Java Model.
*/
public final JavaModel getJavaModel() {
return this.javaModel;
}
/**
* Returns the singleton JavaModelManager
*/
public final static JavaModelManager getJavaModelManager() {
return MANAGER;
}
/**
* Returns the last built state for the given project, or null if there is none.
* Deserializes the state if necessary.
*
* For use by image builder and evaluation support only
*/
public Object getLastBuiltState(IProject project, IProgressMonitor monitor) {
if (!JavaProject.hasJavaNature(project)) {
if (JavaBuilder.DEBUG)
System.out.println(project + " is not a Java project"); //$NON-NLS-1$
return null; // should never be requested on non-Java projects
}
PerProjectInfo info = getPerProjectInfo(project, true/*create if missing*/);
if (!info.triedRead) {
info.triedRead = true;
try {
if (monitor != null)
monitor.subTask(Messages.bind(Messages.build_readStateProgress, project.getName()));
info.savedState = readState(project);
} catch (CoreException e) {
e.printStackTrace();
}
}
return info.savedState;
}
public String getOption(String optionName) {
if (JavaCore.CORE_ENCODING.equals(optionName)){
return JavaCore.getEncoding();
}
// backward compatibility
if (isDeprecatedOption(optionName)) {
return JavaCore.ERROR;
}
String propertyName = optionName;
if (this.optionNames.contains(propertyName)){
IPreferencesService service = Platform.getPreferencesService();
String value = service.get(optionName, null, this.preferencesLookup);
return value==null ? null : value.trim();
}
return null;
}
public Hashtable getOptions() {
// return cached options if already computed
Hashtable cachedOptions; // use a local variable to avoid race condition (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=256329 )
if ((cachedOptions = this.optionsCache) != null) return new Hashtable(cachedOptions);
if (!Platform.isRunning()) {
return this.optionsCache = getDefaultOptionsNoInitialization();
}
// init
Hashtable options = new Hashtable(10);
IPreferencesService service = Platform.getPreferencesService();
// set options using preferences service lookup
Iterator iterator = this.optionNames.iterator();
while (iterator.hasNext()) {
String propertyName = (String) iterator.next();
String propertyValue = service.get(propertyName, null, this.preferencesLookup);
if (propertyValue != null) {
options.put(propertyName, propertyValue);
}
}
// get encoding through resource plugin
options.put(JavaCore.CORE_ENCODING, JavaCore.getEncoding());
// backward compatibility
addDeprecatedOptions(options);
try {
final IEclipsePreferences eclipsePreferences = this.preferencesLookup[PREF_INSTANCE];
String[] instanceKeys = eclipsePreferences.keys();
for (int i=0, length=instanceKeys.length; i<length; i++) {
String optionName = instanceKeys[i];
migrateObsoleteOption(options, optionName, eclipsePreferences.get(optionName, null));
}
} catch (BackingStoreException e) {
// skip
}
Util.fixTaskTags(options);
// store built map in cache
this.optionsCache = new Hashtable(options);
// return built map
return options;
}
/**
* Migrates an old option value to its new corresponding option name(s)
* when necessary.
* <p>
* Nothing is done if the given option is not obsolete or if no migration has been
* specified for it.
* </p><p>
* Currently, migration is only done for formatter options.
* </p>
* @see "https://bugs.eclipse.org/bugs/show_bug.cgi?id=308000"
*
* @param options The options map to update
* @param optionName The old option name to update
* @param optionValue The value of the old option name
*/
public void migrateObsoleteOption(Map options, String optionName, String optionValue) {
// Migrate formatter options
String[] compatibleConstants = getFormatterCompatibleConstants(optionName);
if (compatibleConstants != null) {
for (int i=0, length=compatibleConstants.length; i < length; i++) {
options.put(compatibleConstants[i], optionValue);
}
return;
}
}
/**
* Return an array of compatible constants for an obsolete constant.
*
* @param name The name of the obsolete constant
* @return The list as a non-empty array of the compatible constants or
* <code>null</code> if the constant is <b>not</b> obsolete.
* @deprecated As using deprecated formatter constants
*/
private static String[] getFormatterCompatibleConstants(String name) {
if (DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_MEMBER.equals(name)) {
return new String[] {
DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_FIELD,
DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_METHOD,
DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_PACKAGE,
DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_TYPE
};
}
if (DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION.equals(name)) {
return new String[] {
DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_FIELD,
DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_METHOD,
DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_PACKAGE,
DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_TYPE,
DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_LOCAL_VARIABLE,
DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_PARAMETER
};
}
return null;
}
// Do not modify without modifying getDefaultOptions()
private Hashtable getDefaultOptionsNoInitialization() {
Map defaultOptionsMap = new CompilerOptions().getMap(); // compiler defaults
// Override some compiler defaults
defaultOptionsMap.put(JavaCore.COMPILER_LOCAL_VARIABLE_ATTR, JavaCore.GENERATE);
defaultOptionsMap.put(JavaCore.COMPILER_CODEGEN_UNUSED_LOCAL, JavaCore.PRESERVE);
defaultOptionsMap.put(JavaCore.COMPILER_TASK_TAGS, JavaCore.DEFAULT_TASK_TAGS);
defaultOptionsMap.put(JavaCore.COMPILER_TASK_PRIORITIES, JavaCore.DEFAULT_TASK_PRIORITIES);
defaultOptionsMap.put(JavaCore.COMPILER_TASK_CASE_SENSITIVE, JavaCore.ENABLED);
defaultOptionsMap.put(JavaCore.COMPILER_DOC_COMMENT_SUPPORT, JavaCore.ENABLED);
defaultOptionsMap.put(JavaCore.COMPILER_PB_FORBIDDEN_REFERENCE, JavaCore.ERROR);
// Builder settings
defaultOptionsMap.put(JavaCore.CORE_JAVA_BUILD_RESOURCE_COPY_FILTER, ""); //$NON-NLS-1$
defaultOptionsMap.put(JavaCore.CORE_JAVA_BUILD_INVALID_CLASSPATH, JavaCore.ABORT);
defaultOptionsMap.put(JavaCore.CORE_JAVA_BUILD_DUPLICATE_RESOURCE, JavaCore.WARNING);
defaultOptionsMap.put(JavaCore.CORE_JAVA_BUILD_CLEAN_OUTPUT_FOLDER, JavaCore.CLEAN);
// JavaCore settings
defaultOptionsMap.put(JavaCore.CORE_JAVA_BUILD_ORDER, JavaCore.IGNORE);
defaultOptionsMap.put(JavaCore.CORE_INCOMPLETE_CLASSPATH, JavaCore.ERROR);
defaultOptionsMap.put(JavaCore.CORE_CIRCULAR_CLASSPATH, JavaCore.ERROR);
defaultOptionsMap.put(JavaCore.CORE_INCOMPATIBLE_JDK_LEVEL, JavaCore.IGNORE);
defaultOptionsMap.put(JavaCore.CORE_ENABLE_CLASSPATH_EXCLUSION_PATTERNS, JavaCore.ENABLED);
defaultOptionsMap.put(JavaCore.CORE_ENABLE_CLASSPATH_MULTIPLE_OUTPUT_LOCATIONS, JavaCore.ENABLED);
// Formatter settings
defaultOptionsMap.putAll(DefaultCodeFormatterConstants.getEclipseDefaultSettings());
// CodeAssist settings
defaultOptionsMap.put(JavaCore.CODEASSIST_VISIBILITY_CHECK, JavaCore.DISABLED);
defaultOptionsMap.put(JavaCore.CODEASSIST_DEPRECATION_CHECK, JavaCore.DISABLED);
defaultOptionsMap.put(JavaCore.CODEASSIST_IMPLICIT_QUALIFICATION, JavaCore.DISABLED);
defaultOptionsMap.put(JavaCore.CODEASSIST_FIELD_PREFIXES, ""); //$NON-NLS-1$
defaultOptionsMap.put(JavaCore.CODEASSIST_STATIC_FIELD_PREFIXES, ""); //$NON-NLS-1$
defaultOptionsMap.put(JavaCore.CODEASSIST_STATIC_FINAL_FIELD_PREFIXES, ""); //$NON-NLS-1$
defaultOptionsMap.put(JavaCore.CODEASSIST_LOCAL_PREFIXES, ""); //$NON-NLS-1$
defaultOptionsMap.put(JavaCore.CODEASSIST_ARGUMENT_PREFIXES, ""); //$NON-NLS-1$
defaultOptionsMap.put(JavaCore.CODEASSIST_FIELD_SUFFIXES, ""); //$NON-NLS-1$
defaultOptionsMap.put(JavaCore.CODEASSIST_STATIC_FIELD_SUFFIXES, ""); //$NON-NLS-1$
defaultOptionsMap.put(JavaCore.CODEASSIST_STATIC_FINAL_FIELD_SUFFIXES, ""); //$NON-NLS-1$
defaultOptionsMap.put(JavaCore.CODEASSIST_LOCAL_SUFFIXES, ""); //$NON-NLS-1$
defaultOptionsMap.put(JavaCore.CODEASSIST_ARGUMENT_SUFFIXES, ""); //$NON-NLS-1$
defaultOptionsMap.put(JavaCore.CODEASSIST_FORBIDDEN_REFERENCE_CHECK, JavaCore.ENABLED);
defaultOptionsMap.put(JavaCore.CODEASSIST_DISCOURAGED_REFERENCE_CHECK, JavaCore.DISABLED);
defaultOptionsMap.put(JavaCore.CODEASSIST_CAMEL_CASE_MATCH, JavaCore.ENABLED);
defaultOptionsMap.put(JavaCore.CODEASSIST_SUGGEST_STATIC_IMPORTS, JavaCore.ENABLED);
// Time out for parameter names
defaultOptionsMap.put(JavaCore.TIMEOUT_FOR_PARAMETER_NAME_FROM_ATTACHED_JAVADOC, "50"); //$NON-NLS-1$
return new Hashtable(defaultOptionsMap);
}
/*
* Returns the per-project info for the given project. If specified, create the info if the info doesn't exist.
*/
public PerProjectInfo getPerProjectInfo(IProject project, boolean create) {
synchronized(this.perProjectInfos) { // use the perProjectInfo collection as its own lock
PerProjectInfo info= (PerProjectInfo) this.perProjectInfos.get(project);
if (info == null && create) {
info= new PerProjectInfo(project);
this.perProjectInfos.put(project, info);
}
return info;
}
}
/*
* Returns the per-project info for the given project.
* If the info doesn't exist, check for the project existence and create the info.
* @throws JavaModelException if the project doesn't exist.
*/
public PerProjectInfo getPerProjectInfoCheckExistence(IProject project) throws JavaModelException {
JavaModelManager.PerProjectInfo info = getPerProjectInfo(project, false /* don't create info */);
if (info == null) {
if (!JavaProject.hasJavaNature(project)) {
throw ((JavaProject)JavaCore.create(project)).newNotPresentException();
}
info = getPerProjectInfo(project, true /* create info */);
}
return info;
}
/*
* Returns the per-working copy info for the given working copy at the given path.
* If it doesn't exist and if create, add a new per-working copy info with the given problem requestor.
* If recordUsage, increment the per-working copy info's use count.
* Returns null if it doesn't exist and not create.
*/
public PerWorkingCopyInfo getPerWorkingCopyInfo(CompilationUnit workingCopy,boolean create, boolean recordUsage, IProblemRequestor problemRequestor) {
synchronized(this.perWorkingCopyInfos) { // use the perWorkingCopyInfo collection as its own lock
WorkingCopyOwner owner = workingCopy.owner;
Map workingCopyToInfos = (Map)this.perWorkingCopyInfos.get(owner);
if (workingCopyToInfos == null && create) {
workingCopyToInfos = new HashMap();
this.perWorkingCopyInfos.put(owner, workingCopyToInfos);
}
PerWorkingCopyInfo info = workingCopyToInfos == null ? null : (PerWorkingCopyInfo) workingCopyToInfos.get(workingCopy);
if (info == null && create) {
info= new PerWorkingCopyInfo(workingCopy, problemRequestor);
workingCopyToInfos.put(workingCopy, info);
}
if (info != null && recordUsage) info.useCount++;
return info;
}
}
/**
* Returns a persisted container from previous session if any. Note that it is not the original container from previous
* session (i.e. it did not get serialized) but rather a summary of its entries recreated for CP initialization purpose.
* As such it should not be stored into container caches.
*/
public IClasspathContainer getPreviousSessionContainer(IPath containerPath, IJavaProject project) {
Map previousContainerValues = (Map)this.previousSessionContainers.get(project);
if (previousContainerValues != null){
IClasspathContainer previousContainer = (IClasspathContainer)previousContainerValues.get(containerPath);
if (previousContainer != null) {
if (JavaModelManager.CP_RESOLVE_VERBOSE_ADVANCED)
verbose_reentering_project_container_access(containerPath, project, previousContainer);
return previousContainer;
}
}
return null; // break cycle if none found
}
private void verbose_reentering_project_container_access( IPath containerPath, IJavaProject project, IClasspathContainer previousContainer) {
StringBuffer buffer = new StringBuffer();
buffer.append("CPContainer INIT - reentering access to project container during its initialization, will see previous value\n"); //$NON-NLS-1$
buffer.append(" project: " + project.getElementName() + '\n'); //$NON-NLS-1$
buffer.append(" container path: " + containerPath + '\n'); //$NON-NLS-1$
buffer.append(" previous value: "); //$NON-NLS-1$
buffer.append(previousContainer.getDescription());
buffer.append(" {\n"); //$NON-NLS-1$
IClasspathEntry[] entries = previousContainer.getClasspathEntries();
if (entries != null){
for (int j = 0; j < entries.length; j++){
buffer.append(" "); //$NON-NLS-1$
buffer.append(entries[j]);
buffer.append('\n');
}
}
buffer.append(" }"); //$NON-NLS-1$
Util.verbose(buffer.toString());
new Exception("<Fake exception>").printStackTrace(System.out); //$NON-NLS-1$
}
/**
* Returns a persisted container from previous session if any
*/
public IPath getPreviousSessionVariable(String variableName) {
IPath previousPath = (IPath)this.previousSessionVariables.get(variableName);
if (previousPath != null){
if (CP_RESOLVE_VERBOSE_ADVANCED)
verbose_reentering_variable_access(variableName, previousPath);
return previousPath;
}
return null; // break cycle
}
private void verbose_reentering_variable_access(String variableName, IPath previousPath) {
Util.verbose(
"CPVariable INIT - reentering access to variable during its initialization, will see previous value\n" + //$NON-NLS-1$
" variable: "+ variableName + '\n' + //$NON-NLS-1$
" previous value: " + previousPath); //$NON-NLS-1$
new Exception("<Fake exception>").printStackTrace(System.out); //$NON-NLS-1$
}
/**
* Returns the temporary cache for newly opened elements for the current thread.
* Creates it if not already created.
*/
public HashMap getTemporaryCache() {
HashMap result = (HashMap)this.temporaryCache.get();
if (result == null) {
result = new HashMap();
this.temporaryCache.set(result);
}
return result;
}
private File getVariableAndContainersFile() {
return JavaCore.getPlugin().getStateLocation().append("variablesAndContainers.dat").toFile(); //$NON-NLS-1$
}
/**
* Returns the name of the variables for which an CP variable initializer is registered through an extension point
*/
public static String[] getRegisteredVariableNames(){
Plugin jdtCorePlugin = JavaCore.getPlugin();
if (jdtCorePlugin == null) return null;
ArrayList variableList = new ArrayList(5);
IExtensionPoint extension = Platform.getExtensionRegistry().getExtensionPoint(JavaCore.PLUGIN_ID, JavaModelManager.CPVARIABLE_INITIALIZER_EXTPOINT_ID);
if (extension != null) {
IExtension[] extensions = extension.getExtensions();
for(int i = 0; i < extensions.length; i++){
IConfigurationElement [] configElements = extensions[i].getConfigurationElements();
for(int j = 0; j < configElements.length; j++){
String varAttribute = configElements[j].getAttribute("variable"); //$NON-NLS-1$
if (varAttribute != null) variableList.add(varAttribute);
}
}
}
String[] variableNames = new String[variableList.size()];
variableList.toArray(variableNames);
return variableNames;
}
/**
* Returns the name of the container IDs for which an CP container initializer is registered through an extension point
*/
public static String[] getRegisteredContainerIDs(){
Plugin jdtCorePlugin = JavaCore.getPlugin();
if (jdtCorePlugin == null) return null;
ArrayList containerIDList = new ArrayList(5);
IExtensionPoint extension = Platform.getExtensionRegistry().getExtensionPoint(JavaCore.PLUGIN_ID, JavaModelManager.CPCONTAINER_INITIALIZER_EXTPOINT_ID);
if (extension != null) {
IExtension[] extensions = extension.getExtensions();
for(int i = 0; i < extensions.length; i++){
IConfigurationElement [] configElements = extensions[i].getConfigurationElements();
for(int j = 0; j < configElements.length; j++){
String idAttribute = configElements[j].getAttribute("id"); //$NON-NLS-1$
if (idAttribute != null) containerIDList.add(idAttribute);
}
}
}
String[] containerIDs = new String[containerIDList.size()];
containerIDList.toArray(containerIDs);
return containerIDs;
}
public IClasspathEntry resolveVariableEntry(IClasspathEntry entry, boolean usePreviousSession) {
if (entry.getEntryKind() != IClasspathEntry.CPE_VARIABLE)
return entry;
IPath resolvedPath = getResolvedVariablePath(entry.getPath(), usePreviousSession);
if (resolvedPath == null)
return null;
resolvedPath = ClasspathEntry.resolveDotDot(resolvedPath);
Object target = JavaModel.getTarget(resolvedPath, false);
if (target == null)
return null;
// inside the workspace
if (target instanceof IResource) {
IResource resolvedResource = (IResource) target;
switch (resolvedResource.getType()) {
case IResource.PROJECT :
// internal project
return JavaCore.newProjectEntry(
resolvedPath,
entry.getAccessRules(),
entry.combineAccessRules(),
entry.getExtraAttributes(),
entry.isExported());
case IResource.FILE :
// internal binary archive
return JavaCore.newLibraryEntry(
resolvedPath,
getResolvedVariablePath(entry.getSourceAttachmentPath(), usePreviousSession),
getResolvedVariablePath(entry.getSourceAttachmentRootPath(), usePreviousSession),
entry.getAccessRules(),
entry.getExtraAttributes(),
entry.isExported());
case IResource.FOLDER :
// internal binary folder
return JavaCore.newLibraryEntry(
resolvedPath,
getResolvedVariablePath(entry.getSourceAttachmentPath(), usePreviousSession),
getResolvedVariablePath(entry.getSourceAttachmentRootPath(), usePreviousSession),
entry.getAccessRules(),
entry.getExtraAttributes(),
entry.isExported());
}
}
if (target instanceof File) {
File externalFile = JavaModel.getFile(target);
if (externalFile != null) {
// external binary archive
return JavaCore.newLibraryEntry(
resolvedPath,
getResolvedVariablePath(entry.getSourceAttachmentPath(), usePreviousSession),
getResolvedVariablePath(entry.getSourceAttachmentRootPath(), usePreviousSession),
entry.getAccessRules(),
entry.getExtraAttributes(),
entry.isExported());
} else {
// non-existing file
if (resolvedPath.isAbsolute()){
return JavaCore.newLibraryEntry(
resolvedPath,
getResolvedVariablePath(entry.getSourceAttachmentPath(), usePreviousSession),
getResolvedVariablePath(entry.getSourceAttachmentRootPath(), usePreviousSession),
entry.getAccessRules(),
entry.getExtraAttributes(),
entry.isExported());
}
}
}
return null;
}
public IPath getResolvedVariablePath(IPath variablePath, boolean usePreviousSession) {
if (variablePath == null)
return null;
int count = variablePath.segmentCount();
if (count == 0)
return null;
// lookup variable
String variableName = variablePath.segment(0);
IPath resolvedPath = usePreviousSession ? getPreviousSessionVariable(variableName) : JavaCore.getClasspathVariable(variableName);
if (resolvedPath == null)
return null;
// append path suffix
if (count > 1) {
resolvedPath = resolvedPath.append(variablePath.removeFirstSegments(1));
}
return resolvedPath;
}
/**
* Returns the File to use for saving and restoring the last built state for the given project.
*/
private File getSerializationFile(IProject project) {
if (!project.exists()) return null;
IPath workingLocation = project.getWorkingLocation(JavaCore.PLUGIN_ID);
return workingLocation.append("state.dat").toFile(); //$NON-NLS-1$
}
public static UserLibraryManager getUserLibraryManager() {
if (MANAGER.userLibraryManager == null) {
UserLibraryManager libraryManager = new UserLibraryManager();
synchronized(MANAGER) {
if (MANAGER.userLibraryManager == null) { // ensure another library manager was not set while creating the instance above
MANAGER.userLibraryManager = libraryManager;
}
}
}
return MANAGER.userLibraryManager;
}
/*
* Returns all the working copies which have the given owner.
* Adds the working copies of the primary owner if specified.
* Returns null if it has none.
*/
public ICompilationUnit[] getWorkingCopies(WorkingCopyOwner owner, boolean addPrimary) {
synchronized(this.perWorkingCopyInfos) {
ICompilationUnit[] primaryWCs = addPrimary && owner != DefaultWorkingCopyOwner.PRIMARY
? getWorkingCopies(DefaultWorkingCopyOwner.PRIMARY, false)
: null;
Map workingCopyToInfos = (Map)this.perWorkingCopyInfos.get(owner);
if (workingCopyToInfos == null) return primaryWCs;
int primaryLength = primaryWCs == null ? 0 : primaryWCs.length;
int size = workingCopyToInfos.size(); // note size is > 0 otherwise pathToPerWorkingCopyInfos would be null
ICompilationUnit[] result = new ICompilationUnit[primaryLength + size];
int index = 0;
if (primaryWCs != null) {
for (int i = 0; i < primaryLength; i++) {
ICompilationUnit primaryWorkingCopy = primaryWCs[i];
ICompilationUnit workingCopy = new CompilationUnit((PackageFragment) primaryWorkingCopy.getParent(), primaryWorkingCopy.getElementName(), owner);
if (!workingCopyToInfos.containsKey(workingCopy))
result[index++] = primaryWorkingCopy;
}
if (index != primaryLength)
System.arraycopy(result, 0, result = new ICompilationUnit[index+size], 0, index);
}
Iterator iterator = workingCopyToInfos.values().iterator();
while(iterator.hasNext()) {
result[index++] = ((JavaModelManager.PerWorkingCopyInfo)iterator.next()).getWorkingCopy();
}
return result;
}
}
public JavaWorkspaceScope getWorkspaceScope() {
if (this.workspaceScope == null) {
this.workspaceScope = new JavaWorkspaceScope();
}
return this.workspaceScope;
}
/**
* Returns the open ZipFile at the given path. If the ZipFile
* does not yet exist, it is created, opened, and added to the cache
* of open ZipFiles.
*
* The path must be a file system path if representing an external
* zip/jar, or it must be an absolute workspace relative path if
* representing a zip/jar inside the workspace.
*
* @exception CoreException If unable to create/open the ZipFile
*/
public ZipFile getZipFile(IPath path) throws CoreException {
ZipCache zipCache;
ZipFile zipFile;
if ((zipCache = (ZipCache)this.zipFiles.get()) != null
&& (zipFile = zipCache.getCache(path)) != null) {
return zipFile;
}
File localFile = null;
IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
IResource file = root.findMember(path);
if (file != null) {
// internal resource
URI location;
if (file.getType() != IResource.FILE || (location = file.getLocationURI()) == null) {
throw new CoreException(new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Messages.bind(Messages.file_notFound, path.toString()), null));
}
localFile = Util.toLocalFile(location, null/*no progress availaible*/);
if (localFile == null)
throw new CoreException(new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Messages.bind(Messages.file_notFound, path.toString()), null));
} else {
// external resource -> it is ok to use toFile()
localFile= path.toFile();
}
try {
if (ZIP_ACCESS_VERBOSE) {
System.out.println("(" + Thread.currentThread() + ") [JavaModelManager.getZipFile(IPath)] Creating ZipFile on " + localFile ); //$NON-NLS-1$ //$NON-NLS-2$
}
zipFile = new ZipFile(localFile);
if (zipCache != null) {
zipCache.setCache(path, zipFile);
}
return zipFile;
} catch (IOException e) {
throw new CoreException(new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Messages.status_IOException, e));
}
}
/*
* Returns whether there is a temporary cache for the current thread.
*/
public boolean hasTemporaryCache() {
return this.temporaryCache.get() != null;
}
/*
* Initialize all container at the same time as the given container.
* Return the container for the given path and project.
*/
private IClasspathContainer initializeAllContainers(IJavaProject javaProjectToInit, IPath containerToInit) throws JavaModelException {
if (CP_RESOLVE_VERBOSE_ADVANCED)
verbose_batching_containers_initialization(javaProjectToInit, containerToInit);
// collect all container paths
final HashMap allContainerPaths = new HashMap();
IProject[] projects = ResourcesPlugin.getWorkspace().getRoot().getProjects();
for (int i = 0, length = projects.length; i < length; i++) {
IProject project = projects[i];
if (!JavaProject.hasJavaNature(project)) continue;
IJavaProject javaProject = new JavaProject(project, getJavaModel());
HashSet paths = (HashSet) allContainerPaths.get(javaProject);
IClasspathEntry[] rawClasspath = javaProject.getRawClasspath();
for (int j = 0, length2 = rawClasspath.length; j < length2; j++) {
IClasspathEntry entry = rawClasspath[j];
IPath path = entry.getPath();
if (entry.getEntryKind() == IClasspathEntry.CPE_CONTAINER
&& containerGet(javaProject, path) == null) {
if (paths == null) {
paths = new HashSet();
allContainerPaths.put(javaProject, paths);
}
paths.add(path);
}
}
/* TODO (frederic) put back when JDT/UI dummy project will be thrown away...
* See https://bugs.eclipse.org/bugs/show_bug.cgi?id=97524
*
if (javaProject.equals(javaProjectToInit)) {
if (paths == null) {
paths = new HashSet();
allContainerPaths.put(javaProject, paths);
}
paths.add(containerToInit);
}
*/
}
// TODO (frederic) remove following block when JDT/UI dummy project will be thrown away...
if (javaProjectToInit != null) {
HashSet containerPaths = (HashSet) allContainerPaths.get(javaProjectToInit);
if (containerPaths == null) {
containerPaths = new HashSet();
allContainerPaths.put(javaProjectToInit, containerPaths);
}
containerPaths.add(containerToInit);
}
// end block
// initialize all containers
boolean ok = false;
try {
// if possible run inside an IWokspaceRunnable with AVOID_UPATE to avoid unwanted builds
// (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=118507)
IWorkspaceRunnable runnable =
new IWorkspaceRunnable() {
public void run(IProgressMonitor monitor) throws CoreException {
try {
// Collect all containers
Set entrySet = allContainerPaths.entrySet();
int length = entrySet.size();
if (monitor != null)
monitor.beginTask("", length); //$NON-NLS-1$
Map.Entry[] entries = new Map.Entry[length]; // clone as the following will have a side effect
entrySet.toArray(entries);
for (int i = 0; i < length; i++) {
Map.Entry entry = entries[i];
IJavaProject javaProject = (IJavaProject) entry.getKey();
HashSet pathSet = (HashSet) entry.getValue();
if (pathSet == null) continue;
int length2 = pathSet.size();
IPath[] paths = new IPath[length2];
pathSet.toArray(paths); // clone as the following will have a side effect
for (int j = 0; j < length2; j++) {
IPath path = paths[j];
initializeContainer(javaProject, path);
IClasspathContainer container = containerBeingInitializedGet(javaProject, path);
if (container != null) {
containerPut(javaProject, path, container);
}
}
if (monitor != null)
monitor.worked(1);
}
// Set all containers
Map perProjectContainers = (Map) JavaModelManager.this.containersBeingInitialized.get();
if (perProjectContainers != null) {
Iterator entriesIterator = perProjectContainers.entrySet().iterator();
while (entriesIterator.hasNext()) {
Map.Entry entry = (Map.Entry) entriesIterator.next();
IJavaProject project = (IJavaProject) entry.getKey();
HashMap perPathContainers = (HashMap) entry.getValue();
Iterator containersIterator = perPathContainers.entrySet().iterator();
while (containersIterator.hasNext()) {
Map.Entry containerEntry = (Map.Entry) containersIterator.next();
IPath containerPath = (IPath) containerEntry.getKey();
IClasspathContainer container = (IClasspathContainer) containerEntry.getValue();
SetContainerOperation operation = new SetContainerOperation(containerPath, new IJavaProject[] {project}, new IClasspathContainer[] {container});
operation.runOperation(monitor);
}
}
JavaModelManager.this.containersBeingInitialized.set(null);
}
} finally {
if (monitor != null)
monitor.done();
}
}
};
IProgressMonitor monitor = this.batchContainerInitializationsProgress;
IWorkspace workspace = ResourcesPlugin.getWorkspace();
if (workspace.isTreeLocked())
runnable.run(monitor);
else
workspace.run(
runnable,
null/*don't take any lock*/,
IWorkspace.AVOID_UPDATE,
monitor);
ok = true;
} catch (CoreException e) {
// ignore
Util.log(e, "Exception while initializing all containers"); //$NON-NLS-1$
} finally {
if (!ok) {
// if we're being traversed by an exception, ensure that that containers are
// no longer marked as initialization in progress
// (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=66437)
this.containerInitializationInProgress.set(null);
}
}
return containerGet(javaProjectToInit, containerToInit);
}
private void verbose_batching_containers_initialization(IJavaProject javaProjectToInit, IPath containerToInit) {
Util.verbose(
"CPContainer INIT - batching containers initialization\n" + //$NON-NLS-1$
" project to init: " + (javaProjectToInit == null ? "null" : javaProjectToInit.getElementName()) + '\n' + //$NON-NLS-1$ //$NON-NLS-2$
" container path to init: " + containerToInit); //$NON-NLS-1$
}
IClasspathContainer initializeContainer(IJavaProject project, IPath containerPath) throws JavaModelException {
IProgressMonitor monitor = this.batchContainerInitializationsProgress;
if (monitor != null && monitor.isCanceled())
throw new OperationCanceledException();
IClasspathContainer container = null;
final ClasspathContainerInitializer initializer = JavaCore.getClasspathContainerInitializer(containerPath.segment(0));
if (initializer != null){
if (CP_RESOLVE_VERBOSE)
verbose_triggering_container_initialization(project, containerPath, initializer);
if (CP_RESOLVE_VERBOSE_ADVANCED)
verbose_triggering_container_initialization_invocation_trace();
PerformanceStats stats = null;
if(JavaModelManager.PERF_CONTAINER_INITIALIZER) {
stats = PerformanceStats.getStats(JavaModelManager.CONTAINER_INITIALIZER_PERF, this);
stats.startRun(containerPath + " of " + project.getPath()); //$NON-NLS-1$
}
containerPut(project, containerPath, CONTAINER_INITIALIZATION_IN_PROGRESS); // avoid initialization cycles
boolean ok = false;
try {
if (monitor != null)
monitor.subTask(Messages.bind(Messages.javamodel_configuring, initializer.getDescription(containerPath, project)));
// let OperationCanceledException go through
// (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=59363)
initializer.initialize(containerPath, project);
if (monitor != null)
monitor.subTask(""); //$NON-NLS-1$
// retrieve value (if initialization was successful)
container = containerBeingInitializedGet(project, containerPath);
if (container == null && containerGet(project, containerPath) == CONTAINER_INITIALIZATION_IN_PROGRESS) {
// initializer failed to do its job: redirect to the failure container
container = initializer.getFailureContainer(containerPath, project);
if (container == null) {
if (CP_RESOLVE_VERBOSE || CP_RESOLVE_VERBOSE_FAILURE)
verbose_container_null_failure_container(project, containerPath, initializer);
return null; // break cycle
}
if (CP_RESOLVE_VERBOSE || CP_RESOLVE_VERBOSE_FAILURE)
verbose_container_using_failure_container(project, containerPath, initializer);
containerPut(project, containerPath, container);
}
ok = true;
} catch (CoreException e) {
if (e instanceof JavaModelException) {
throw (JavaModelException) e;
} else {
throw new JavaModelException(e);
}
} catch (RuntimeException e) {
if (JavaModelManager.CP_RESOLVE_VERBOSE || CP_RESOLVE_VERBOSE_FAILURE)
e.printStackTrace();
throw e;
} catch (Error e) {
if (JavaModelManager.CP_RESOLVE_VERBOSE || CP_RESOLVE_VERBOSE_FAILURE)
e.printStackTrace();
throw e;
} finally {
if(JavaModelManager.PERF_CONTAINER_INITIALIZER) {
stats.endRun();
}
if (!ok) {
// just remove initialization in progress and keep previous session container so as to avoid a full build
// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=92588
containerRemoveInitializationInProgress(project, containerPath);
if (CP_RESOLVE_VERBOSE || CP_RESOLVE_VERBOSE_FAILURE)
verbose_container_initialization_failed(project, containerPath, container, initializer);
}
}
if (CP_RESOLVE_VERBOSE_ADVANCED)
verbose_container_value_after_initialization(project, containerPath, container);
} else {
// create a dummy initializer and get the default failure container
container = (new ClasspathContainerInitializer() {
public void initialize(IPath path, IJavaProject javaProject) throws CoreException {
// not used
}
}).getFailureContainer(containerPath, project);
if (CP_RESOLVE_VERBOSE_ADVANCED || CP_RESOLVE_VERBOSE_FAILURE)
verbose_no_container_initializer_found(project, containerPath);
}
return container;
}
private void verbose_no_container_initializer_found(IJavaProject project, IPath containerPath) {
Util.verbose(
"CPContainer INIT - no initializer found\n" + //$NON-NLS-1$
" project: " + project.getElementName() + '\n' + //$NON-NLS-1$
" container path: " + containerPath); //$NON-NLS-1$
}
private void verbose_container_value_after_initialization(IJavaProject project, IPath containerPath, IClasspathContainer container) {
StringBuffer buffer = new StringBuffer();
buffer.append("CPContainer INIT - after resolution\n"); //$NON-NLS-1$
buffer.append(" project: " + project.getElementName() + '\n'); //$NON-NLS-1$
buffer.append(" container path: " + containerPath + '\n'); //$NON-NLS-1$
if (container != null){
buffer.append(" container: "+container.getDescription()+" {\n"); //$NON-NLS-2$//$NON-NLS-1$
IClasspathEntry[] entries = container.getClasspathEntries();
if (entries != null){
for (int i = 0; i < entries.length; i++) {
buffer.append(" " + entries[i] + '\n'); //$NON-NLS-1$
}
}
buffer.append(" }");//$NON-NLS-1$
} else {
buffer.append(" container: {unbound}");//$NON-NLS-1$
}
Util.verbose(buffer.toString());
}
private void verbose_container_initialization_failed(IJavaProject project, IPath containerPath, IClasspathContainer container, ClasspathContainerInitializer initializer) {
if (container == CONTAINER_INITIALIZATION_IN_PROGRESS) {
Util.verbose(
"CPContainer INIT - FAILED (initializer did not initialize container)\n" + //$NON-NLS-1$
" project: " + project.getElementName() + '\n' + //$NON-NLS-1$
" container path: " + containerPath + '\n' + //$NON-NLS-1$
" initializer: " + initializer); //$NON-NLS-1$
} else {
Util.verbose(
"CPContainer INIT - FAILED (see exception above)\n" + //$NON-NLS-1$
" project: " + project.getElementName() + '\n' + //$NON-NLS-1$
" container path: " + containerPath + '\n' + //$NON-NLS-1$
" initializer: " + initializer); //$NON-NLS-1$
}
}
private void verbose_container_null_failure_container(IJavaProject project, IPath containerPath, ClasspathContainerInitializer initializer) {
Util.verbose(
"CPContainer INIT - FAILED (and failure container is null)\n" + //$NON-NLS-1$
" project: " + project.getElementName() + '\n' + //$NON-NLS-1$
" container path: " + containerPath + '\n' + //$NON-NLS-1$
" initializer: " + initializer); //$NON-NLS-1$
}
private void verbose_container_using_failure_container(IJavaProject project, IPath containerPath, ClasspathContainerInitializer initializer) {
Util.verbose(
"CPContainer INIT - FAILED (using failure container)\n" + //$NON-NLS-1$
" project: " + project.getElementName() + '\n' + //$NON-NLS-1$
" container path: " + containerPath + '\n' + //$NON-NLS-1$
" initializer: " + initializer); //$NON-NLS-1$
}
private void verbose_triggering_container_initialization(IJavaProject project, IPath containerPath, ClasspathContainerInitializer initializer) {
Util.verbose(
"CPContainer INIT - triggering initialization\n" + //$NON-NLS-1$
" project: " + project.getElementName() + '\n' + //$NON-NLS-1$
" container path: " + containerPath + '\n' + //$NON-NLS-1$
" initializer: " + initializer); //$NON-NLS-1$
}
private void verbose_triggering_container_initialization_invocation_trace() {
Util.verbose(
"CPContainer INIT - triggering initialization\n" + //$NON-NLS-1$
" invocation trace:"); //$NON-NLS-1$
new Exception("<Fake exception>").printStackTrace(System.out); //$NON-NLS-1$
}
/**
* Initialize preferences lookups for JavaCore plug-in.
*/
public void initializePreferences() {
// Create lookups
this.preferencesLookup[PREF_INSTANCE] = ((IScopeContext) new InstanceScope()).getNode(JavaCore.PLUGIN_ID);
this.preferencesLookup[PREF_DEFAULT] = ((IScopeContext) new DefaultScope()).getNode(JavaCore.PLUGIN_ID);
// Listen to instance preferences node removal from parent in order to refresh stored one
this.instanceNodeListener = new IEclipsePreferences.INodeChangeListener() {
public void added(IEclipsePreferences.NodeChangeEvent event) {
// do nothing
}
public void removed(IEclipsePreferences.NodeChangeEvent event) {
if (event.getChild() == JavaModelManager.this.preferencesLookup[PREF_INSTANCE]) {
JavaModelManager.this.preferencesLookup[PREF_INSTANCE] = ((IScopeContext) new InstanceScope()).getNode(JavaCore.PLUGIN_ID);
JavaModelManager.this.preferencesLookup[PREF_INSTANCE].addPreferenceChangeListener(new EclipsePreferencesListener());
}
}
};
((IEclipsePreferences) this.preferencesLookup[PREF_INSTANCE].parent()).addNodeChangeListener(this.instanceNodeListener);
this.preferencesLookup[PREF_INSTANCE].addPreferenceChangeListener(this.instancePreferencesListener = new EclipsePreferencesListener());
// Listen to default preferences node removal from parent in order to refresh stored one
this.defaultNodeListener = new IEclipsePreferences.INodeChangeListener() {
public void added(IEclipsePreferences.NodeChangeEvent event) {
// do nothing
}
public void removed(IEclipsePreferences.NodeChangeEvent event) {
if (event.getChild() == JavaModelManager.this.preferencesLookup[PREF_DEFAULT]) {
JavaModelManager.this.preferencesLookup[PREF_DEFAULT] = ((IScopeContext) new DefaultScope()).getNode(JavaCore.PLUGIN_ID);
}
}
};
((IEclipsePreferences) this.preferencesLookup[PREF_DEFAULT].parent()).addNodeChangeListener(this.defaultNodeListener);
}
public synchronized char[] intern(char[] array) {
return this.charArraySymbols.add(array);
}
public synchronized String intern(String s) {
// make sure to copy the string (so that it doesn't hold on the underlying char[] that might be much bigger than necessary)
return (String) this.stringSymbols.add(new String(s));
// Note1: String#intern() cannot be used as on some VMs this prevents the string from being garbage collected
// Note 2: Instead of using a WeakHashset, one could use a WeakHashMap with the following implementation
// This would costs more per entry (one Entry object and one WeakReference more))
/*
WeakReference reference = (WeakReference) this.symbols.get(s);
String existing;
if (reference != null && (existing = (String) reference.get()) != null)
return existing;
this.symbols.put(s, new WeakReference(s));
return s;
*/
}
private HashSet getClasspathBeingResolved() {
HashSet result = (HashSet) this.classpathsBeingResolved.get();
if (result == null) {
result = new HashSet();
this.classpathsBeingResolved.set(result);
}
return result;
}
public boolean isClasspathBeingResolved(IJavaProject project) {
return getClasspathBeingResolved().contains(project);
}
/**
* @deprecated
*/
private boolean isDeprecatedOption(String optionName) {
return JavaCore.COMPILER_PB_INVALID_IMPORT.equals(optionName)
|| JavaCore.COMPILER_PB_UNREACHABLE_CODE.equals(optionName);
}
public boolean isNonChainingJar(IPath path) {
return this.nonChainingJars != null && this.nonChainingJars.contains(path);
}
public void setClasspathBeingResolved(IJavaProject project, boolean classpathIsResolved) {
if (classpathIsResolved) {
getClasspathBeingResolved().add(project);
} else {
getClasspathBeingResolved().remove(project);
}
}
private Set loadNonChainingJarsCache() {
Set nonChainingJarsCache = new HashSet();
File nonChainingJarsFile = getNonChainingJarsFile();
DataInputStream in = null;
try {
in = new DataInputStream(new BufferedInputStream(new FileInputStream(nonChainingJarsFile)));
int size = in.readInt();
while (size-- > 0) {
String path = in.readUTF();
nonChainingJarsCache.add(Path.fromPortableString(path));
}
} catch (IOException e) {
if (nonChainingJarsFile.exists())
Util.log(e, "Unable to read non-chaining jar cache file"); //$NON-NLS-1$
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
// nothing we can do: ignore
}
}
}
return Collections.synchronizedSet(nonChainingJarsCache);
}
private File getNonChainingJarsFile() {
return JavaCore.getPlugin().getStateLocation().append("nonChainingJarsCache").toFile(); //$NON-NLS-1$
}
private Set getNonChainingJarsCache() throws CoreException {
// Even if there is one entry in the cache, just return it. It may not be
// the complete cache, but avoid going through all the projects to populate the cache.
if (this.nonChainingJars != null && this.nonChainingJars.size() > 0) {
return this.nonChainingJars;
}
Set result = new HashSet();
IJavaProject[] projects = getJavaModel().getJavaProjects();
for (int i = 0, length = projects.length; i < length; i++) {
IJavaProject javaProject = projects[i];
IClasspathEntry[] classpath = ((JavaProject) javaProject).getResolvedClasspath();
for (int j = 0, length2 = classpath.length; j < length2; j++) {
IClasspathEntry entry = classpath[j];
IPath path;
if (entry.getEntryKind() == IClasspathEntry.CPE_LIBRARY
&& !result.contains(path = entry.getPath())
&& ClasspathEntry.resolvedChainedLibraries(path).length == 0) {
result.add(path);
}
}
}
this.nonChainingJars = Collections.synchronizedSet(result);
return this.nonChainingJars;
}
public void loadVariablesAndContainers() throws CoreException {
// backward compatibility, consider persistent property
QualifiedName qName = new QualifiedName(JavaCore.PLUGIN_ID, "variables"); //$NON-NLS-1$
String xmlString = ResourcesPlugin.getWorkspace().getRoot().getPersistentProperty(qName);
try {
if (xmlString != null){
StringReader reader = new StringReader(xmlString);
Element cpElement;
try {
DocumentBuilder parser = DocumentBuilderFactory.newInstance().newDocumentBuilder();
cpElement = parser.parse(new InputSource(reader)).getDocumentElement();
} catch(SAXException e) {
return;
} catch(ParserConfigurationException e){
return;
} finally {
reader.close();
}
if (cpElement == null) return;
if (!cpElement.getNodeName().equalsIgnoreCase("variables")) { //$NON-NLS-1$
return;
}
NodeList list= cpElement.getChildNodes();
int length= list.getLength();
for (int i= 0; i < length; ++i) {
Node node= list.item(i);
short type= node.getNodeType();
if (type == Node.ELEMENT_NODE) {
Element element= (Element) node;
if (element.getNodeName().equalsIgnoreCase("variable")) { //$NON-NLS-1$
variablePut(
element.getAttribute("name"), //$NON-NLS-1$
new Path(element.getAttribute("path"))); //$NON-NLS-1$
}
}
}
}
} catch(IOException e){
// problem loading xml file: nothing we can do
} finally {
if (xmlString != null){
ResourcesPlugin.getWorkspace().getRoot().setPersistentProperty(qName, null); // flush old one
}
}
// backward compatibility, load variables and containers from preferences into cache
loadVariablesAndContainers(getDefaultPreferences());
loadVariablesAndContainers(getInstancePreferences());
// load variables and containers from saved file into cache
File file = getVariableAndContainersFile();
DataInputStream in = null;
try {
in = new DataInputStream(new BufferedInputStream(new FileInputStream(file)));
switch (in.readInt()) {
case 2 :
new VariablesAndContainersLoadHelper(in).load();
break;
case 1 : // backward compatibility, load old format
// variables
int size = in.readInt();
while (size-- > 0) {
String varName = in.readUTF();
String pathString = in.readUTF();
if (CP_ENTRY_IGNORE.equals(pathString))
continue;
IPath varPath = Path.fromPortableString(pathString);
this.variables.put(varName, varPath);
this.previousSessionVariables.put(varName, varPath);
}
// containers
IJavaModel model = getJavaModel();
int projectSize = in.readInt();
while (projectSize-- > 0) {
String projectName = in.readUTF();
IJavaProject project = model.getJavaProject(projectName);
int containerSize = in.readInt();
while (containerSize-- > 0) {
IPath containerPath = Path.fromPortableString(in.readUTF());
int length = in.readInt();
byte[] containerString = new byte[length];
in.readFully(containerString);
recreatePersistedContainer(project, containerPath, new String(containerString), true/*add to container values*/);
}
}
break;
}
} catch (IOException e) {
if (file.exists())
Util.log(e, "Unable to read variable and containers file"); //$NON-NLS-1$
} catch (RuntimeException e) {
if (file.exists())
Util.log(e, "Unable to read variable and containers file (file is corrupt)"); //$NON-NLS-1$
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
// nothing we can do: ignore
}
}
}
// override persisted values for variables which have a registered initializer
String[] registeredVariables = getRegisteredVariableNames();
for (int i = 0; i < registeredVariables.length; i++) {
String varName = registeredVariables[i];
this.variables.put(varName, null); // reset variable, but leave its entry in the Map, so it will be part of variable names.
}
// override persisted values for containers which have a registered initializer
containersReset(getRegisteredContainerIDs());
}
private void loadVariablesAndContainers(IEclipsePreferences preferences) {
try {
// only get variable from preferences not set to their default
String[] propertyNames = preferences.keys();
int variablePrefixLength = CP_VARIABLE_PREFERENCES_PREFIX.length();
for (int i = 0; i < propertyNames.length; i++){
String propertyName = propertyNames[i];
if (propertyName.startsWith(CP_VARIABLE_PREFERENCES_PREFIX)){
String varName = propertyName.substring(variablePrefixLength);
String propertyValue = preferences.get(propertyName, null);
if (propertyValue != null) {
String pathString = propertyValue.trim();
if (CP_ENTRY_IGNORE.equals(pathString)) {
// cleanup old preferences
preferences.remove(propertyName);
continue;
}
// add variable to table
IPath varPath = new Path(pathString);
this.variables.put(varName, varPath);
this.previousSessionVariables.put(varName, varPath);
}
} else if (propertyName.startsWith(CP_CONTAINER_PREFERENCES_PREFIX)){
String propertyValue = preferences.get(propertyName, null);
if (propertyValue != null) {
// cleanup old preferences
preferences.remove(propertyName);
// recreate container
recreatePersistedContainer(propertyName, propertyValue, true/*add to container values*/);
}
}
}
} catch (BackingStoreException e1) {
// TODO (frederic) see if it's necessary to report this failure...
}
}
private static final class PersistedClasspathContainer implements
IClasspathContainer {
private final IPath containerPath;
private final IClasspathEntry[] entries;
private final IJavaProject project;
PersistedClasspathContainer(IJavaProject project, IPath containerPath,
IClasspathEntry[] entries) {
super();
this.containerPath = containerPath;
this.entries = entries;
this.project = project;
}
public IClasspathEntry[] getClasspathEntries() {
return this.entries;
}
public String getDescription() {
return "Persisted container [" + this.containerPath //$NON-NLS-1$
+ " for project [" + this.project.getElementName() //$NON-NLS-1$
+ "]]"; //$NON-NLS-1$
}
public int getKind() {
return 0;
}
public IPath getPath() {
return this.containerPath;
}
public String toString() {
return getDescription();
}
}
private final class VariablesAndContainersLoadHelper {
private static final int ARRAY_INCREMENT = 200;
private IClasspathEntry[] allClasspathEntries;
private int allClasspathEntryCount;
private final Map allPaths; // String -> IPath
private String[] allStrings;
private int allStringsCount;
private final DataInputStream in;
VariablesAndContainersLoadHelper(DataInputStream in) {
super();
this.allClasspathEntries = null;
this.allClasspathEntryCount = 0;
this.allPaths = new HashMap();
this.allStrings = null;
this.allStringsCount = 0;
this.in = in;
}
void load() throws IOException {
loadProjects(getJavaModel());
loadVariables();
}
private IAccessRule loadAccessRule() throws IOException {
int problemId = loadInt();
IPath pattern = loadPath();
return new ClasspathAccessRule(pattern.toString().toCharArray(), problemId);
}
private IAccessRule[] loadAccessRules() throws IOException {
int count = loadInt();
if (count == 0)
return ClasspathEntry.NO_ACCESS_RULES;
IAccessRule[] rules = new IAccessRule[count];
for (int i = 0; i < count; ++i)
rules[i] = loadAccessRule();
return rules;
}
private IClasspathAttribute loadAttribute() throws IOException {
String name = loadString();
String value = loadString();
return new ClasspathAttribute(name, value);
}
private IClasspathAttribute[] loadAttributes() throws IOException {
int count = loadInt();
if (count == 0)
return ClasspathEntry.NO_EXTRA_ATTRIBUTES;
IClasspathAttribute[] attributes = new IClasspathAttribute[count];
for (int i = 0; i < count; ++i)
attributes[i] = loadAttribute();
return attributes;
}
private boolean loadBoolean() throws IOException {
return this.in.readBoolean();
}
private IClasspathEntry[] loadClasspathEntries() throws IOException {
int count = loadInt();
IClasspathEntry[] entries = new IClasspathEntry[count];
for (int i = 0; i < count; ++i)
entries[i] = loadClasspathEntry();
return entries;
}
private IClasspathEntry loadClasspathEntry() throws IOException {
int id = loadInt();
if (id < 0 || id > this.allClasspathEntryCount)
throw new IOException("Unexpected classpathentry id"); //$NON-NLS-1$
if (id < this.allClasspathEntryCount)
return this.allClasspathEntries[id];
int contentKind = loadInt();
int entryKind = loadInt();
IPath path = loadPath();
IPath[] inclusionPatterns = loadPaths();
IPath[] exclusionPatterns = loadPaths();
IPath sourceAttachmentPath = loadPath();
IPath sourceAttachmentRootPath = loadPath();
IPath specificOutputLocation = loadPath();
boolean isExported = loadBoolean();
IAccessRule[] accessRules = loadAccessRules();
boolean combineAccessRules = loadBoolean();
IClasspathAttribute[] extraAttributes = loadAttributes();
IClasspathEntry entry = new ClasspathEntry(contentKind, entryKind,
path, inclusionPatterns, exclusionPatterns,
sourceAttachmentPath, sourceAttachmentRootPath,
specificOutputLocation, isExported, accessRules,
combineAccessRules, extraAttributes);
IClasspathEntry[] array = this.allClasspathEntries;
if (array == null || id == array.length) {
array = new IClasspathEntry[id + ARRAY_INCREMENT];
if (id != 0)
System.arraycopy(this.allClasspathEntries, 0, array, 0, id);
this.allClasspathEntries = array;
}
array[id] = entry;
this.allClasspathEntryCount = id + 1;
return entry;
}
private void loadContainers(IJavaProject project) throws IOException {
boolean projectIsAccessible = project.getProject().isAccessible();
int count = loadInt();
for (int i = 0; i < count; ++i) {
IPath path = loadPath();
IClasspathEntry[] entries = loadClasspathEntries();
if (!projectIsAccessible)
// avoid leaking deleted project's persisted container,
// but still read the container as it is is part of the file format
continue;
IClasspathContainer container = new PersistedClasspathContainer(project, path, entries);
containerPut(project, path, container);
Map oldContainers = (Map) JavaModelManager.this.previousSessionContainers.get(project);
if (oldContainers == null) {
oldContainers = new HashMap();
JavaModelManager.this.previousSessionContainers.put(project, oldContainers);
}
oldContainers.put(path, container);
}
}
private int loadInt() throws IOException {
return this.in.readInt();
}
private IPath loadPath() throws IOException {
if (loadBoolean())
return null;
String portableString = loadString();
IPath path = (IPath) this.allPaths.get(portableString);
if (path == null) {
path = Path.fromPortableString(portableString);
this.allPaths.put(portableString, path);
}
return path;
}
private IPath[] loadPaths() throws IOException {
int count = loadInt();
IPath[] pathArray = new IPath[count];
for (int i = 0; i < count; ++i)
pathArray[i] = loadPath();
return pathArray;
}
private void loadProjects(IJavaModel model) throws IOException {
int count = loadInt();
for (int i = 0; i < count; ++i) {
String projectName = loadString();
loadContainers(model.getJavaProject(projectName));
}
}
private String loadString() throws IOException {
int id = loadInt();
if (id < 0 || id > this.allStringsCount)
throw new IOException("Unexpected string id"); //$NON-NLS-1$
if (id < this.allStringsCount)
return this.allStrings[id];
String string = this.in.readUTF();
String[] array = this.allStrings;
if (array == null || id == array.length) {
array = new String[id + ARRAY_INCREMENT];
if (id != 0)
System.arraycopy(this.allStrings, 0, array, 0, id);
this.allStrings = array;
}
array[id] = string;
this.allStringsCount = id + 1;
return string;
}
private void loadVariables() throws IOException {
int size = loadInt();
Map loadedVars = new HashMap(size);
for (int i = 0; i < size; ++i) {
String varName = loadString();
IPath varPath = loadPath();
if (varPath != null)
loadedVars.put(varName, varPath);
}
JavaModelManager.this.previousSessionVariables.putAll(loadedVars);
JavaModelManager.this.variables.putAll(loadedVars);
}
}
/**
* Returns the info for this element without
* disturbing the cache ordering.
*/
protected synchronized Object peekAtInfo(IJavaElement element) {
HashMap tempCache = (HashMap)this.temporaryCache.get();
if (tempCache != null) {
Object result = tempCache.get(element);
if (result != null) {
return result;
}
}
return this.cache.peekAtInfo(element);
}
/**
* @see ISaveParticipant
*/
public void prepareToSave(ISaveContext context) /*throws CoreException*/ {
// nothing to do
}
/*
* Puts the infos in the given map (keys are IJavaElements and values are JavaElementInfos)
* in the Java model cache in an atomic way.
*/
protected synchronized void putInfos(IJavaElement openedElement, Map newElements) {
// remove existing children as the are replaced with the new children contained in newElements
Object existingInfo = this.cache.peekAtInfo(openedElement);
if (openedElement instanceof IParent) {
closeChildren(existingInfo);
}
// Need to put any JarPackageFragmentRoot in first.
// This is due to the way the LRU cache flushes entries.
// When a JarPackageFragment is flushed from the LRU cache, the entire
// jar is flushed by removing the JarPackageFragmentRoot and all of its
// children (see ElementCache.close()). If we flush the JarPackageFragment
// when its JarPackageFragmentRoot is not in the cache and the root is about to be
// added (during the 'while' loop), we will end up in an inconsistent state.
// Subsequent resolution against package in the jar would fail as a result.
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=102422
// (theodora)
for(Iterator it = newElements.entrySet().iterator(); it.hasNext(); ) {
Map.Entry entry = (Map.Entry)it.next();
IJavaElement element = (IJavaElement)entry.getKey();
if (element instanceof JarPackageFragmentRoot) {
Object info = entry.getValue();
it.remove();
this.cache.putInfo(element, info);
}
}
Iterator iterator = newElements.entrySet().iterator();
while (iterator.hasNext()) {
Map.Entry entry = (Map.Entry) iterator.next();
this.cache.putInfo((IJavaElement) entry.getKey(), entry.getValue());
}
}
private void closeChildren(Object info) {
if (info instanceof JavaElementInfo) {
IJavaElement[] children = ((JavaElementInfo)info).getChildren();
for (int i = 0, size = children.length; i < size; ++i) {
JavaElement child = (JavaElement) children[i];
try {
child.close();
} catch (JavaModelException e) {
// ignore
}
}
}
}
/*
* Remember the info for the jar binary type
*/
protected synchronized void putJarTypeInfo(IJavaElement type, Object info) {
this.cache.jarTypeCache.put(type, info);
}
/**
* Reads the build state for the relevant project.
*/
protected Object readState(IProject project) throws CoreException {
File file = getSerializationFile(project);
if (file != null && file.exists()) {
try {
DataInputStream in= new DataInputStream(new BufferedInputStream(new FileInputStream(file)));
try {
String pluginID= in.readUTF();
if (!pluginID.equals(JavaCore.PLUGIN_ID))
throw new IOException(Messages.build_wrongFileFormat);
String kind= in.readUTF();
if (!kind.equals("STATE")) //$NON-NLS-1$
throw new IOException(Messages.build_wrongFileFormat);
if (in.readBoolean())
return JavaBuilder.readState(project, in);
if (JavaBuilder.DEBUG)
System.out.println("Saved state thinks last build failed for " + project.getName()); //$NON-NLS-1$
} finally {
in.close();
}
} catch (Exception e) {
e.printStackTrace();
throw new CoreException(new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, Platform.PLUGIN_ERROR, "Error reading last build state for project "+ project.getName(), e)); //$NON-NLS-1$
}
} else if (JavaBuilder.DEBUG) {
if (file == null)
System.out.println("Project does not exist: " + project); //$NON-NLS-1$
else
System.out.println("Build state file " + file.getPath() + " does not exist"); //$NON-NLS-1$ //$NON-NLS-2$
}
return null;
}
public static void recreatePersistedContainer(String propertyName, String containerString, boolean addToContainerValues) {
int containerPrefixLength = CP_CONTAINER_PREFERENCES_PREFIX.length();
int index = propertyName.indexOf('|', containerPrefixLength);
if (containerString != null) containerString = containerString.trim();
if (index > 0) {
String projectName = propertyName.substring(containerPrefixLength, index).trim();
IJavaProject project = getJavaModelManager().getJavaModel().getJavaProject(projectName);
IPath containerPath = new Path(propertyName.substring(index+1).trim());
recreatePersistedContainer(project, containerPath, containerString, addToContainerValues);
}
}
private static void recreatePersistedContainer(final IJavaProject project, final IPath containerPath, String containerString, boolean addToContainerValues) {
if (!project.getProject().isAccessible()) return; // avoid leaking deleted project's persisted container
if (containerString == null) {
getJavaModelManager().containerPut(project, containerPath, null);
} else {
IClasspathEntry[] entries;
try {
entries = ((JavaProject) project).decodeClasspath(containerString, null/*not interested in unknown elements*/)[0];
} catch (IOException e) {
Util.log(e, "Could not recreate persisted container: \n" + containerString); //$NON-NLS-1$
entries = JavaProject.INVALID_CLASSPATH;
}
if (entries != JavaProject.INVALID_CLASSPATH) {
final IClasspathEntry[] containerEntries = entries;
IClasspathContainer container = new IClasspathContainer() {
public IClasspathEntry[] getClasspathEntries() {
return containerEntries;
}
public String getDescription() {
return "Persisted container ["+containerPath+" for project ["+ project.getElementName()+"]"; //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$
}
public int getKind() {
return 0;
}
public IPath getPath() {
return containerPath;
}
public String toString() {
return getDescription();
}
};
if (addToContainerValues) {
getJavaModelManager().containerPut(project, containerPath, container);
}
Map projectContainers = (Map)getJavaModelManager().previousSessionContainers.get(project);
if (projectContainers == null){
projectContainers = new HashMap(1);
getJavaModelManager().previousSessionContainers.put(project, projectContainers);
}
projectContainers.put(containerPath, container);
}
}
}
/**
* Remembers the given scope in a weak set
* (so no need to remove it: it will be removed by the garbage collector)
*/
public void rememberScope(AbstractSearchScope scope) {
// NB: The value has to be null so as to not create a strong reference on the scope
this.searchScopes.put(scope, null);
}
/*
* Removes all cached info for the given element (including all children)
* from the cache.
* Returns the info for the given element, or null if it was closed.
*/
public synchronized Object removeInfoAndChildren(JavaElement element) throws JavaModelException {
Object info = this.cache.peekAtInfo(element);
if (info != null) {
boolean wasVerbose = false;
try {
if (JavaModelCache.VERBOSE) {
String elementType;
switch (element.getElementType()) {
case IJavaElement.JAVA_PROJECT:
elementType = "project"; //$NON-NLS-1$
break;
case IJavaElement.PACKAGE_FRAGMENT_ROOT:
elementType = "root"; //$NON-NLS-1$
break;
case IJavaElement.PACKAGE_FRAGMENT:
elementType = "package"; //$NON-NLS-1$
break;
case IJavaElement.CLASS_FILE:
elementType = "class file"; //$NON-NLS-1$
break;
case IJavaElement.COMPILATION_UNIT:
elementType = "compilation unit"; //$NON-NLS-1$
break;
default:
elementType = "element"; //$NON-NLS-1$
}
System.out.println(Thread.currentThread() + " CLOSING "+ elementType + " " + element.toStringWithAncestors()); //$NON-NLS-1$//$NON-NLS-2$
wasVerbose = true;
JavaModelCache.VERBOSE = false;
}
element.closing(info);
if (element instanceof IParent) {
closeChildren(info);
}
this.cache.removeInfo(element);
if (wasVerbose) {
System.out.println(this.cache.toStringFillingRation("-> ")); //$NON-NLS-1$
}
} finally {
JavaModelCache.VERBOSE = wasVerbose;
}
return info;
}
return null;
}
public void removePerProjectInfo(JavaProject javaProject) {
synchronized(this.perProjectInfos) { // use the perProjectInfo collection as its own lock
IProject project = javaProject.getProject();
PerProjectInfo info= (PerProjectInfo) this.perProjectInfos.get(project);
if (info != null) {
this.perProjectInfos.remove(project);
info.forgetExternalTimestampsAndIndexes();
}
}
resetNonChainingJarsCache();
}
/*
* Reset project options stored in info cache.
*/
public void resetProjectOptions(JavaProject javaProject) {
synchronized(this.perProjectInfos) { // use the perProjectInfo collection as its own lock
IProject project = javaProject.getProject();
PerProjectInfo info= (PerProjectInfo) this.perProjectInfos.get(project);
if (info != null) {
info.options = null;
}
}
}
/*
* Reset project preferences stored in info cache.
*/
public void resetProjectPreferences(JavaProject javaProject) {
synchronized(this.perProjectInfos) { // use the perProjectInfo collection as its own lock
IProject project = javaProject.getProject();
PerProjectInfo info= (PerProjectInfo) this.perProjectInfos.get(project);
if (info != null) {
info.preferences = null;
}
}
}
public static final void doNotUse() {
// used by tests to simulate a startup
MANAGER.deltaState.doNotUse();
MANAGER = new JavaModelManager();
}
/*
* Resets the cache that holds on binary type in jar files
*/
protected synchronized void resetJarTypeCache() {
this.cache.resetJarTypeCache();
}
public void resetNonChainingJarsCache() {
if (this.nonChainingJars != null)
this.nonChainingJars.clear();
}
/*
* Resets the temporary cache for newly created elements to null.
*/
public void resetTemporaryCache() {
this.temporaryCache.set(null);
}
/**
* @see ISaveParticipant
*/
public void rollback(ISaveContext context){
// nothing to do
}
private void saveState(PerProjectInfo info, ISaveContext context) throws CoreException {
// passed this point, save actions are non trivial
if (context.getKind() == ISaveContext.SNAPSHOT) return;
// save built state
if (info.triedRead) saveBuiltState(info);
}
/**
* Saves the built state for the project.
*/
private void saveBuiltState(PerProjectInfo info) throws CoreException {
if (JavaBuilder.DEBUG)
System.out.println(Messages.bind(Messages.build_saveStateProgress, info.project.getName()));
File file = getSerializationFile(info.project);
if (file == null) return;
long t = System.currentTimeMillis();
try {
DataOutputStream out = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(file)));
try {
out.writeUTF(JavaCore.PLUGIN_ID);
out.writeUTF("STATE"); //$NON-NLS-1$
if (info.savedState == null) {
out.writeBoolean(false);
} else {
out.writeBoolean(true);
JavaBuilder.writeState(info.savedState, out);
}
} finally {
out.close();
}
} catch (RuntimeException e) {
try {
file.delete();
} catch(SecurityException se) {
// could not delete file: cannot do much more
}
throw new CoreException(
new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, Platform.PLUGIN_ERROR,
Messages.bind(Messages.build_cannotSaveState, info.project.getName()), e));
} catch (IOException e) {
try {
file.delete();
} catch(SecurityException se) {
// could not delete file: cannot do much more
}
throw new CoreException(
new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, Platform.PLUGIN_ERROR,
Messages.bind(Messages.build_cannotSaveState, info.project.getName()), e));
}
if (JavaBuilder.DEBUG) {
t = System.currentTimeMillis() - t;
System.out.println(Messages.bind(Messages.build_saveStateComplete, String.valueOf(t)));
}
}
private void saveNonChainingJarsCache() throws CoreException {
File file = getNonChainingJarsFile();
DataOutputStream out = null;
try {
out = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(file)));
Set nonChainingJarsCache = getNonChainingJarsCache();
synchronized (nonChainingJarsCache) {
out.writeInt(nonChainingJarsCache.size());
Iterator entries = nonChainingJarsCache.iterator();
while (entries.hasNext()) {
IPath path = (IPath) entries.next();
out.writeUTF(path.toPortableString());
}
}
} catch (IOException e) {
IStatus status = new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, IStatus.ERROR, "Problems while saving non-chaining jar cache", e); //$NON-NLS-1$
throw new CoreException(status);
} finally {
if (out != null) {
try {
out.close();
} catch (IOException e) {
// nothing we can do: ignore
}
}
}
}
private void saveVariablesAndContainers(ISaveContext context) throws CoreException {
File file = getVariableAndContainersFile();
DataOutputStream out = null;
try {
out = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(file)));
out.writeInt(VARIABLES_AND_CONTAINERS_FILE_VERSION);
new VariablesAndContainersSaveHelper(out).save(context);
} catch (IOException e) {
IStatus status = new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, IStatus.ERROR, "Problems while saving variables and containers", e); //$NON-NLS-1$
throw new CoreException(status);
} finally {
if (out != null) {
try {
out.close();
} catch (IOException e) {
// nothing we can do: ignore
}
}
}
}
private final class VariablesAndContainersSaveHelper {
private final HashtableOfObjectToInt classpathEntryIds; // IClasspathEntry -> int
private final DataOutputStream out;
private final HashtableOfObjectToInt stringIds; // Strings -> int
VariablesAndContainersSaveHelper(DataOutputStream out) {
super();
this.classpathEntryIds = new HashtableOfObjectToInt();
this.out = out;
this.stringIds = new HashtableOfObjectToInt();
}
void save(ISaveContext context) throws IOException, JavaModelException {
IProject project = context.getProject();
if (project == null) { // save all projects if none specified (snapshot or full save)
saveProjects(getJavaModel().getJavaProjects());
}
else {
saveProjects(new IJavaProject[] {JavaCore.create(project)});
}
switch (context.getKind()) {
case ISaveContext.FULL_SAVE :
// TODO (eric) - investigate after 3.3 if variables should be saved for a SNAPSHOT
case ISaveContext.SNAPSHOT :
// remove variables that should not be saved
HashMap varsToSave = null;
Iterator iterator = JavaModelManager.this.variables.entrySet().iterator();
IEclipsePreferences defaultPreferences = getDefaultPreferences();
while (iterator.hasNext()) {
Map.Entry entry = (Map.Entry) iterator.next();
String varName = (String) entry.getKey();
if (defaultPreferences.get(CP_VARIABLE_PREFERENCES_PREFIX + varName, null) != null // don't save classpath variables from the default preferences as there is no delta if they are removed
|| CP_ENTRY_IGNORE_PATH.equals(entry.getValue())) {
if (varsToSave == null)
varsToSave = new HashMap(JavaModelManager.this.variables);
varsToSave.remove(varName);
}
}
saveVariables(varsToSave != null ? varsToSave : JavaModelManager.this.variables);
break;
default :
// do nothing
}
}
private void saveAccessRule(ClasspathAccessRule rule) throws IOException {
//{ObjectTeams: mask IProblem.AdaptedPluginAccess:
if (rule.problemId == IProblem.AdaptedPluginAccess)
saveInt(0);
else
// SH}
saveInt(rule.problemId);
savePath(rule.getPattern());
}
private void saveAccessRules(IAccessRule[] rules) throws IOException {
int count = rules == null ? 0 : rules.length;
saveInt(count);
for (int i = 0; i < count; ++i)
saveAccessRule((ClasspathAccessRule) rules[i]);
}
private void saveAttribute(IClasspathAttribute attribute)
throws IOException {
saveString(attribute.getName());
saveString(attribute.getValue());
}
private void saveAttributes(IClasspathAttribute[] attributes)
throws IOException {
int count = attributes == null ? 0 : attributes.length;
saveInt(count);
for (int i = 0; i < count; ++i)
saveAttribute(attributes[i]);
}
private void saveClasspathEntries(IClasspathEntry[] entries)
throws IOException {
int count = entries == null ? 0 : entries.length;
saveInt(count);
for (int i = 0; i < count; ++i)
saveClasspathEntry(entries[i]);
}
private void saveClasspathEntry(IClasspathEntry entry)
throws IOException {
if (saveNewId(entry, this.classpathEntryIds)) {
saveInt(entry.getContentKind());
saveInt(entry.getEntryKind());
savePath(entry.getPath());
savePaths(entry.getInclusionPatterns());
savePaths(entry.getExclusionPatterns());
savePath(entry.getSourceAttachmentPath());
savePath(entry.getSourceAttachmentRootPath());
savePath(entry.getOutputLocation());
this.out.writeBoolean(entry.isExported());
saveAccessRules(entry.getAccessRules());
this.out.writeBoolean(entry.combineAccessRules());
saveAttributes(entry.getExtraAttributes());
}
}
private void saveContainers(IJavaProject project, Map containerMap)
throws IOException {
saveInt(containerMap.size());
for (Iterator i = containerMap.entrySet().iterator(); i.hasNext();) {
Entry entry = (Entry) i.next();
IPath path = (IPath) entry.getKey();
IClasspathContainer container = (IClasspathContainer) entry.getValue();
IClasspathEntry[] cpEntries = null;
if (container == null) {
// container has not been initialized yet, use previous
// session value
// (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=73969)
container = getPreviousSessionContainer(path, project);
}
if (container != null)
cpEntries = container.getClasspathEntries();
savePath(path);
saveClasspathEntries(cpEntries);
}
}
private void saveInt(int value) throws IOException {
this.out.writeInt(value);
}
private boolean saveNewId(Object key, HashtableOfObjectToInt map) throws IOException {
int id = map.get(key);
if (id == -1) {
int newId = map.size();
map.put(key, newId);
saveInt(newId);
return true;
} else {
saveInt(id);
return false;
}
}
private void savePath(IPath path) throws IOException {
if (path == null) {
this.out.writeBoolean(true);
} else {
this.out.writeBoolean(false);
saveString(path.toPortableString());
}
}
private void savePaths(IPath[] paths) throws IOException {
int count = paths == null ? 0 : paths.length;
saveInt(count);
for (int i = 0; i < count; ++i)
savePath(paths[i]);
}
private void saveProjects(IJavaProject[] projects) throws IOException,
JavaModelException {
int count = projects.length;
saveInt(count);
for (int i = 0; i < count; ++i) {
IJavaProject project = projects[i];
saveString(project.getElementName());
Map containerMap = (Map) JavaModelManager.this.containers.get(project);
if (containerMap == null) {
containerMap = Collections.EMPTY_MAP;
} else {
// clone while iterating
// (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=59638)
containerMap = new HashMap(containerMap);
}
saveContainers(project, containerMap);
}
}
private void saveString(String string) throws IOException {
if (saveNewId(string, this.stringIds))
this.out.writeUTF(string);
}
private void saveVariables(Map map) throws IOException {
saveInt(map.size());
for (Iterator i = map.entrySet().iterator(); i.hasNext();) {
Entry entry = (Entry) i.next();
String varName = (String) entry.getKey();
IPath varPath = (IPath) entry.getValue();
saveString(varName);
savePath(varPath);
}
}
}
private void traceVariableAndContainers(String action, long start) {
Long delta = new Long(System.currentTimeMillis() - start);
Long length = new Long(getVariableAndContainersFile().length());
String pattern = "{0} {1} bytes in variablesAndContainers.dat in {2}ms"; //$NON-NLS-1$
String message = MessageFormat.format(pattern, new Object[]{action, length, delta});
System.out.println(message);
}
/**
* @see ISaveParticipant
*/
public void saving(ISaveContext context) throws CoreException {
long start = -1;
if (VERBOSE)
start = System.currentTimeMillis();
// save variable and container values on snapshot/full save
saveVariablesAndContainers(context);
if (VERBOSE)
traceVariableAndContainers("Saved", start); //$NON-NLS-1$
switch(context.getKind()) {
case ISaveContext.FULL_SAVE : {
// save non-chaining jar cache on snapshot/full save
saveNonChainingJarsCache();
// will need delta since this save (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=38658)
context.needDelta();
// clean up indexes on workspace full save
// (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=52347)
IndexManager manager = this.indexManager;
if (manager != null
// don't force initialization of workspace scope as we could be shutting down
// (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=93941)
&& this.workspaceScope != null) {
manager.cleanUpIndexes();
}
}
//$FALL-THROUGH$
case ISaveContext.SNAPSHOT : {
// clean up external folders on full save or snapshot
this.externalFoldersManager.cleanUp(null);
}
}
IProject savedProject = context.getProject();
if (savedProject != null) {
if (!JavaProject.hasJavaNature(savedProject)) return; // ignore
PerProjectInfo info = getPerProjectInfo(savedProject, true /* create info */);
saveState(info, context);
return;
}
ArrayList vStats= null; // lazy initialized
ArrayList values = null;
synchronized(this.perProjectInfos) {
values = new ArrayList(this.perProjectInfos.values());
}
Iterator iterator = values.iterator();
while (iterator.hasNext()) {
try {
PerProjectInfo info = (PerProjectInfo) iterator.next();
saveState(info, context);
} catch (CoreException e) {
if (vStats == null)
vStats= new ArrayList();
vStats.add(e.getStatus());
}
}
if (vStats != null) {
IStatus[] stats= new IStatus[vStats.size()];
vStats.toArray(stats);
throw new CoreException(new MultiStatus(JavaCore.PLUGIN_ID, IStatus.ERROR, stats, Messages.build_cannotSaveStates, null));
}
// save external libs timestamps
this.deltaState.saveExternalLibTimeStamps();
}
/**
* Add a secondary type in temporary indexing cache for a project got from given path.
*
* Current secondary types cache is not modified as we want to wait that indexing
* was finished before taking new secondary types into account.
*
* Indexing cache is a specific entry in secondary types cache which key is
* {@link #INDEXED_SECONDARY_TYPES } and value a map with same structure than
* secondary types cache itself.
*
* @see #secondaryTypes(IJavaProject, boolean, IProgressMonitor)
*/
public void secondaryTypeAdding(String path, char[] typeName, char[] packageName) {
if (VERBOSE) {
StringBuffer buffer = new StringBuffer("JavaModelManager.addSecondaryType("); //$NON-NLS-1$
buffer.append(path);
buffer.append(',');
buffer.append('[');
buffer.append(new String(packageName));
buffer.append('.');
buffer.append(new String(typeName));
buffer.append(']');
buffer.append(')');
Util.verbose(buffer.toString());
}
IWorkspaceRoot wRoot = ResourcesPlugin.getWorkspace().getRoot();
IResource resource = wRoot.findMember(path);
if (resource != null) {
if (org.eclipse.jdt.internal.core.util.Util.isJavaLikeFileName(path) && resource.getType() == IResource.FILE) {
IProject project = resource.getProject();
try {
PerProjectInfo projectInfo = getPerProjectInfoCheckExistence(project);
// Get or create map to cache secondary types while indexing (can be not synchronized as indexing insure a non-concurrent usage)
HashMap indexedSecondaryTypes = null;
if (projectInfo.secondaryTypes == null) {
projectInfo.secondaryTypes = new Hashtable(3);
indexedSecondaryTypes = new HashMap(3);
projectInfo.secondaryTypes.put(INDEXED_SECONDARY_TYPES, indexedSecondaryTypes);
} else {
indexedSecondaryTypes = (HashMap) projectInfo.secondaryTypes.get(INDEXED_SECONDARY_TYPES);
if (indexedSecondaryTypes == null) {
indexedSecondaryTypes = new HashMap(3);
projectInfo.secondaryTypes.put(INDEXED_SECONDARY_TYPES, indexedSecondaryTypes);
}
}
// Store the secondary type in temporary cache (these are just handles => no problem to create it now...)
HashMap allTypes = (HashMap) indexedSecondaryTypes.get(resource);
if (allTypes == null) {
allTypes = new HashMap(3);
indexedSecondaryTypes.put(resource, allTypes);
}
ICompilationUnit unit = JavaModelManager.createCompilationUnitFrom((IFile)resource, null);
if (unit != null) {
String typeString = new String(typeName);
IType type = unit.getType(typeString);
// String packageString = new String(packageName);
// use package fragment name instead of parameter as it may be invalid...
// see bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=186781
String packageString = type.getPackageFragment().getElementName();
HashMap packageTypes = (HashMap) allTypes.get(packageString);
if (packageTypes == null) {
packageTypes = new HashMap(3);
allTypes.put(packageString, packageTypes);
}
packageTypes.put(typeString, type);
}
if (VERBOSE) {
Util.verbose(" - indexing cache:"); //$NON-NLS-1$
Iterator entries = indexedSecondaryTypes.entrySet().iterator();
while (entries.hasNext()) {
Map.Entry entry = (Map.Entry) entries.next();
IFile file = (IFile) entry.getKey();
Util.verbose(" + "+file.getFullPath()+':'+ entry.getValue()); //$NON-NLS-1$
}
}
}
catch (JavaModelException jme) {
// do nothing
}
}
}
}
/**
* Get all secondary types for a project and store result in per project info cache.
*
* This cache is an Hashtable<String, HashMap<String, IType>>:
* - key: package name
* - value:
* + key: type name
* + value: java model handle for the secondary type
* Hashtable was used to protect callers from possible concurrent access.
*
* Note that this map may have a specific entry which key is {@link #INDEXED_SECONDARY_TYPES }
* and value is a map containing all secondary types created during indexing.
* When this key is in cache and indexing is finished, returned map is merged
* with the value of this special key. If indexing is not finished and caller does
* not wait for the end of indexing, returned map is the current secondary
* types cache content which may be invalid...
*
* @param project Project we want get secondary types from
* @return HashMap Table of secondary type names->path for given project
*/
public Map secondaryTypes(IJavaProject project, boolean waitForIndexes, IProgressMonitor monitor) throws JavaModelException {
if (VERBOSE) {
StringBuffer buffer = new StringBuffer("JavaModelManager.secondaryTypes("); //$NON-NLS-1$
buffer.append(project.getElementName());
buffer.append(',');
buffer.append(waitForIndexes);
buffer.append(')');
Util.verbose(buffer.toString());
}
// Return cache if not empty and there's no new secondary types created during indexing
final PerProjectInfo projectInfo = getPerProjectInfoCheckExistence(project.getProject());
Map indexingSecondaryCache = projectInfo.secondaryTypes == null ? null : (Map) projectInfo.secondaryTypes.get(INDEXED_SECONDARY_TYPES);
if (projectInfo.secondaryTypes != null && indexingSecondaryCache == null) {
return projectInfo.secondaryTypes;
}
// Perform search request only if secondary types cache is not initialized yet (this will happen only once!)
if (projectInfo.secondaryTypes == null) {
return secondaryTypesSearching(project, waitForIndexes, monitor, projectInfo);
}
// New secondary types have been created while indexing secondary types cache
// => need to know whether the indexing is finished or not
boolean indexing = this.indexManager.awaitingJobsCount() > 0;
if (indexing) {
if (!waitForIndexes) {
// Indexing is running but caller cannot wait => return current cache
return projectInfo.secondaryTypes;
}
// Wait for the end of indexing or a cancel
while (this.indexManager.awaitingJobsCount() > 0) {
if (monitor != null && monitor.isCanceled()) {
return projectInfo.secondaryTypes;
}
try {
Thread.sleep(10);
} catch (InterruptedException e) {
return projectInfo.secondaryTypes;
}
}
}
// Indexing is finished => merge caches and return result
return secondaryTypesMerging(projectInfo.secondaryTypes);
}
/*
* Return secondary types cache merged with new secondary types created while indexing
* Note that merge result is directly stored in given parameter map.
*/
private Hashtable secondaryTypesMerging(Hashtable secondaryTypes) {
if (VERBOSE) {
Util.verbose("JavaModelManager.getSecondaryTypesMerged()"); //$NON-NLS-1$
Util.verbose(" - current cache to merge:"); //$NON-NLS-1$
Iterator entries = secondaryTypes.entrySet().iterator();
while (entries.hasNext()) {
Map.Entry entry = (Map.Entry) entries.next();
String packName = (String) entry.getKey();
Util.verbose(" + "+packName+':'+ entry.getValue() ); //$NON-NLS-1$
}
}
// Return current cache if there's no indexing cache (double check, this should not happen)
HashMap indexedSecondaryTypes = (HashMap) secondaryTypes.remove(INDEXED_SECONDARY_TYPES);
if (indexedSecondaryTypes == null) {
return secondaryTypes;
}
// Merge indexing cache in secondary types one
Iterator entries = indexedSecondaryTypes.entrySet().iterator();
while (entries.hasNext()) {
Map.Entry entry = (Map.Entry) entries.next();
IFile file = (IFile) entry.getKey();
// Remove all secondary types of indexed file from cache
secondaryTypesRemoving(secondaryTypes, file);
// Add all indexing file secondary types in given secondary types cache
HashMap fileSecondaryTypes = (HashMap) entry.getValue();
Iterator entries2 = fileSecondaryTypes.entrySet().iterator();
while (entries2.hasNext()) {
Map.Entry entry2 = (Map.Entry) entries2.next();
String packageName = (String) entry2.getKey();
HashMap cachedTypes = (HashMap) secondaryTypes.get(packageName);
if (cachedTypes == null) {
secondaryTypes.put(packageName, entry2.getValue());
} else {
HashMap types = (HashMap) entry2.getValue();
Iterator entries3 = types.entrySet().iterator();
while (entries3.hasNext()) {
Map.Entry entry3 = (Map.Entry) entries3.next();
String typeName = (String) entry3.getKey();
cachedTypes.put(typeName, entry3.getValue());
}
}
}
}
if (VERBOSE) {
Util.verbose(" - secondary types cache merged:"); //$NON-NLS-1$
entries = secondaryTypes.entrySet().iterator();
while (entries.hasNext()) {
Map.Entry entry = (Map.Entry) entries.next();
String packName = (String) entry.getKey();
Util.verbose(" + "+packName+':'+ entry.getValue()); //$NON-NLS-1$
}
}
return secondaryTypes;
}
/*
* Perform search request to get all secondary types of a given project.
* If not waiting for indexes and indexing is running, will return types found in current built indexes...
*/
private Map secondaryTypesSearching(IJavaProject project, boolean waitForIndexes, IProgressMonitor monitor, final PerProjectInfo projectInfo) throws JavaModelException {
if (VERBOSE || BasicSearchEngine.VERBOSE) {
StringBuffer buffer = new StringBuffer("JavaModelManager.secondaryTypesSearch("); //$NON-NLS-1$
buffer.append(project.getElementName());
buffer.append(',');
buffer.append(waitForIndexes);
buffer.append(')');
Util.verbose(buffer.toString());
}
final Hashtable secondaryTypes = new Hashtable(3);
IRestrictedAccessTypeRequestor nameRequestor = new IRestrictedAccessTypeRequestor() {
public void acceptType(int modifiers, char[] packageName, char[] simpleTypeName, char[][] enclosingTypeNames, String path, AccessRestriction access) {
String key = packageName==null ? "" : new String(packageName); //$NON-NLS-1$
HashMap types = (HashMap) secondaryTypes.get(key);
if (types == null) types = new HashMap(3);
types.put(new String(simpleTypeName), path);
secondaryTypes.put(key, types);
}
};
// Build scope using prereq projects but only source folders
IPackageFragmentRoot[] allRoots = project.getAllPackageFragmentRoots();
int length = allRoots.length, size = 0;
IPackageFragmentRoot[] allSourceFolders = new IPackageFragmentRoot[length];
for (int i=0; i<length; i++) {
if (allRoots[i].getKind() == IPackageFragmentRoot.K_SOURCE) {
allSourceFolders[size++] = allRoots[i];
}
}
if (size < length) {
System.arraycopy(allSourceFolders, 0, allSourceFolders = new IPackageFragmentRoot[size], 0, size);
}
// Search all secondary types on scope
new BasicSearchEngine().searchAllSecondaryTypeNames(allSourceFolders, nameRequestor, waitForIndexes, monitor);
// Build types from paths
Iterator packages = secondaryTypes.values().iterator();
while (packages.hasNext()) {
HashMap types = (HashMap) packages.next();
Iterator names = types.entrySet().iterator();
while (names.hasNext()) {
Map.Entry entry = (Map.Entry) names.next();
String typeName = (String) entry.getKey();
String path = (String) entry.getValue();
if (org.eclipse.jdt.internal.core.util.Util.isJavaLikeFileName(path)) {
IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(path));
ICompilationUnit unit = JavaModelManager.createCompilationUnitFrom(file, null);
IType type = unit.getType(typeName);
types.put(typeName, type); // replace stored path with type itself
} else {
types.remove(typeName);
}
}
}
// Store result in per project info cache if still null or there's still an indexing cache (may have been set by another thread...)
if (projectInfo.secondaryTypes == null || projectInfo.secondaryTypes.get(INDEXED_SECONDARY_TYPES) != null) {
projectInfo.secondaryTypes = secondaryTypes;
if (VERBOSE || BasicSearchEngine.VERBOSE) {
System.out.print(Thread.currentThread() + " -> secondary paths stored in cache: "); //$NON-NLS-1$
System.out.println();
Iterator entries = secondaryTypes.entrySet().iterator();
while (entries.hasNext()) {
Map.Entry entry = (Map.Entry) entries.next();
String qualifiedName = (String) entry.getKey();
Util.verbose(" - "+qualifiedName+'-'+ entry.getValue()); //$NON-NLS-1$
}
}
}
return projectInfo.secondaryTypes;
}
/**
* Remove from secondary types cache all types belonging to a given file.
* Clean secondary types cache built while indexing if requested.
*
* Project's secondary types cache is found using file location.
*
* @param file File to remove
*/
public void secondaryTypesRemoving(IFile file, boolean cleanIndexCache) {
if (VERBOSE) {
StringBuffer buffer = new StringBuffer("JavaModelManager.removeFromSecondaryTypesCache("); //$NON-NLS-1$
buffer.append(file.getName());
buffer.append(')');
Util.verbose(buffer.toString());
}
if (file != null) {
PerProjectInfo projectInfo = getPerProjectInfo(file.getProject(), false);
if (projectInfo != null && projectInfo.secondaryTypes != null) {
if (VERBOSE) {
Util.verbose("-> remove file from cache of project: "+file.getProject().getName()); //$NON-NLS-1$
}
// Clean current cache
secondaryTypesRemoving(projectInfo.secondaryTypes, file);
// Clean indexing cache if necessary
HashMap indexingCache = (HashMap) projectInfo.secondaryTypes.get(INDEXED_SECONDARY_TYPES);
if (!cleanIndexCache) {
if (indexingCache == null) {
// Need to signify that secondary types indexing will happen before any request happens
// see bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=152841
projectInfo.secondaryTypes.put(INDEXED_SECONDARY_TYPES, new HashMap());
}
return;
}
if (indexingCache != null) {
Set keys = indexingCache.keySet();
int filesSize = keys.size(), filesCount = 0;
IFile[] removed = null;
Iterator cachedFiles = keys.iterator();
while (cachedFiles.hasNext()) {
IFile cachedFile = (IFile) cachedFiles.next();
if (file.equals(cachedFile)) {
if (removed == null) removed = new IFile[filesSize];
filesSize--;
removed[filesCount++] = cachedFile;
}
}
if (removed != null) {
for (int i=0; i<filesCount; i++) {
indexingCache.remove(removed[i]);
}
}
}
}
}
}
/*
* Remove from a given cache map all secondary types belonging to a given file.
* Note that there can have several secondary types per file...
*/
private void secondaryTypesRemoving(Hashtable secondaryTypesMap, IFile file) {
if (VERBOSE) {
StringBuffer buffer = new StringBuffer("JavaModelManager.removeSecondaryTypesFromMap("); //$NON-NLS-1$
Iterator entries = secondaryTypesMap.entrySet().iterator();
while (entries.hasNext()) {
Map.Entry entry = (Map.Entry) entries.next();
String qualifiedName = (String) entry.getKey();
buffer.append(qualifiedName+':'+ entry.getValue());
}
buffer.append(',');
buffer.append(file.getFullPath());
buffer.append(')');
Util.verbose(buffer.toString());
}
Set packageEntries = secondaryTypesMap.entrySet();
int packagesSize = packageEntries.size(), removedPackagesCount = 0;
String[] removedPackages = null;
Iterator packages = packageEntries.iterator();
while (packages.hasNext()) {
Map.Entry entry = (Map.Entry) packages.next();
String packName = (String) entry.getKey();
if (packName != INDEXED_SECONDARY_TYPES) { // skip indexing cache entry if present (!= is intentional)
HashMap types = (HashMap) entry.getValue();
Set nameEntries = types.entrySet();
int namesSize = nameEntries.size(), removedNamesCount = 0;
String[] removedNames = null;
Iterator names = nameEntries.iterator();
while (names.hasNext()) {
Map.Entry entry2 = (Map.Entry) names.next();
String typeName = (String) entry2.getKey();
JavaElement type = (JavaElement) entry2.getValue();
if (file.equals(type.resource())) {
if (removedNames == null) removedNames = new String[namesSize];
namesSize--;
removedNames[removedNamesCount++] = typeName;
}
}
if (removedNames != null) {
for (int i=0; i<removedNamesCount; i++) {
types.remove(removedNames[i]);
}
}
if (types.size() == 0) {
if (removedPackages == null) removedPackages = new String[packagesSize];
packagesSize--;
removedPackages[removedPackagesCount++] = packName;
}
}
}
if (removedPackages != null) {
for (int i=0; i<removedPackagesCount; i++) {
secondaryTypesMap.remove(removedPackages[i]);
}
}
if (VERBOSE) {
Util.verbose(" - new secondary types map:"); //$NON-NLS-1$
Iterator entries = secondaryTypesMap.entrySet().iterator();
while (entries.hasNext()) {
Map.Entry entry = (Map.Entry) entries.next();
String qualifiedName = (String) entry.getKey();
Util.verbose(" + "+qualifiedName+':'+ entry.getValue()); //$NON-NLS-1$
}
}
}
/**
* Record the order in which to build the java projects (batch build). This order is based
* on the projects classpath settings.
*/
protected void setBuildOrder(String[] javaBuildOrder) throws JavaModelException {
// optional behaviour
// possible value of index 0 is Compute
if (!JavaCore.COMPUTE.equals(JavaCore.getOption(JavaCore.CORE_JAVA_BUILD_ORDER))) return; // cannot be customized at project level
if (javaBuildOrder == null || javaBuildOrder.length <= 1) return;
IWorkspace workspace = ResourcesPlugin.getWorkspace();
IWorkspaceDescription description = workspace.getDescription();
String[] wksBuildOrder = description.getBuildOrder();
String[] newOrder;
if (wksBuildOrder == null){
newOrder = javaBuildOrder;
} else {
// remove projects which are already mentionned in java builder order
int javaCount = javaBuildOrder.length;
HashMap newSet = new HashMap(javaCount); // create a set for fast check
for (int i = 0; i < javaCount; i++){
newSet.put(javaBuildOrder[i], javaBuildOrder[i]);
}
int removed = 0;
int oldCount = wksBuildOrder.length;
for (int i = 0; i < oldCount; i++){
if (newSet.containsKey(wksBuildOrder[i])){
wksBuildOrder[i] = null;
removed++;
}
}
// add Java ones first
newOrder = new String[oldCount - removed + javaCount];
System.arraycopy(javaBuildOrder, 0, newOrder, 0, javaCount); // java projects are built first
// copy previous items in their respective order
int index = javaCount;
for (int i = 0; i < oldCount; i++){
if (wksBuildOrder[i] != null){
newOrder[index++] = wksBuildOrder[i];
}
}
}
// commit the new build order out
description.setBuildOrder(newOrder);
try {
workspace.setDescription(description);
} catch(CoreException e){
throw new JavaModelException(e);
}
}
/**
* Sets the last built state for the given project, or null to reset it.
*/
public void setLastBuiltState(IProject project, Object state) {
if (JavaProject.hasJavaNature(project)) {
// should never be requested on non-Java projects
PerProjectInfo info = getPerProjectInfo(project, true /*create if missing*/);
info.triedRead = true; // no point trying to re-read once using setter
info.savedState = state;
}
if (state == null) { // delete state file to ensure a full build happens if the workspace crashes
try {
File file = getSerializationFile(project);
if (file != null && file.exists())
file.delete();
} catch(SecurityException se) {
// could not delete file: cannot do much more
}
}
}
public void setOptions(Hashtable newOptions) {
if (DEBUG_302850) {
System.out.println("Entering in JavaModelManager.setOptions():"); //$NON-NLS-1$
System.out.println(new CompilerOptions(newOptions).toString());
System.out.println(" - Call stack:"); //$NON-NLS-1$
StackTraceElement[] elements = new Exception().getStackTrace();
for (int i=0,n=elements.length; i<n; i++) {
System.out.println(" + "+elements[i]); //$NON-NLS-1$
}
}
Hashtable cachedValue = newOptions == null ? null : new Hashtable(newOptions);
IEclipsePreferences defaultPreferences = getDefaultPreferences();
IEclipsePreferences instancePreferences = getInstancePreferences();
if (newOptions == null){
try {
instancePreferences.clear();
} catch(BackingStoreException e) {
// ignore
}
} else {
Enumeration keys = newOptions.keys();
while (keys.hasMoreElements()){
String key = (String)keys.nextElement();
if (!this.optionNames.contains(key)) continue; // unrecognized option
if (key.equals(JavaCore.CORE_ENCODING)) {
if (cachedValue != null) {
cachedValue.put(key, JavaCore.getEncoding());
}
continue; // skipped, contributed by resource prefs
}
String value = (String)newOptions.get(key);
String defaultValue = defaultPreferences.get(key, null);
if (defaultValue != null && defaultValue.equals(value)) {
instancePreferences.remove(key);
} else {
instancePreferences.put(key, value);
}
}
try {
// persist options
instancePreferences.flush();
} catch(BackingStoreException e) {
// ignore
//{ObjectTeams: harness for Bug 302850 - 13 failures in JavaModel tests for the N20100214-2000 Mac OS X - Cocoa test machine
e.printStackTrace();
} catch (RuntimeException e) {
e.printStackTrace();
throw e;
} catch (Error e) {
e.printStackTrace();
throw e;
// SH}
}
}
// update cache
Util.fixTaskTags(cachedValue);
this.optionsCache = cachedValue;
}
public void startup() throws CoreException {
try {
configurePluginDebugOptions();
// initialize Java model cache
this.cache = new JavaModelCache();
// request state folder creation (workaround 19885)
JavaCore.getPlugin().getStateLocation();
// Initialize eclipse preferences
initializePreferences();
// Listen to preference changes
this.propertyListener = new IEclipsePreferences.IPreferenceChangeListener() {
public void preferenceChange(PreferenceChangeEvent event) {
JavaModelManager.this.optionsCache = null;
}
};
new InstanceScope().getNode(JavaCore.PLUGIN_ID).addPreferenceChangeListener(this.propertyListener);
// listen for encoding changes (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=255501 )
this.resourcesPropertyListener = new IEclipsePreferences.IPreferenceChangeListener() {
public void preferenceChange(PreferenceChangeEvent event) {
if (ResourcesPlugin.PREF_ENCODING.equals(event.getKey())) {
JavaModelManager.this.optionsCache = null;
}
}
};
String resourcesPluginId = ResourcesPlugin.getPlugin().getBundle().getSymbolicName();
new InstanceScope().getNode(resourcesPluginId).addPreferenceChangeListener(this.resourcesPropertyListener);
// Listen to content-type changes
Platform.getContentTypeManager().addContentTypeChangeListener(this);
// retrieve variable values
long start = -1;
if (VERBOSE)
start = System.currentTimeMillis();
loadVariablesAndContainers();
if (VERBOSE)
traceVariableAndContainers("Loaded", start); //$NON-NLS-1$
// listen for resource changes
this.deltaState.initializeRootsWithPreviousSession();
final IWorkspace workspace = ResourcesPlugin.getWorkspace();
workspace.addResourceChangeListener(
this.deltaState,
/* update spec in JavaCore#addPreProcessingResourceChangedListener(...) if adding more event types */
IResourceChangeEvent.PRE_BUILD
| IResourceChangeEvent.POST_BUILD
| IResourceChangeEvent.POST_CHANGE
| IResourceChangeEvent.PRE_DELETE
| IResourceChangeEvent.PRE_CLOSE
| IResourceChangeEvent.PRE_REFRESH);
startIndexing();
// process deltas since last activated in indexer thread so that indexes are up-to-date.
// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=38658
Job processSavedState = new Job(Messages.savedState_jobName) {
protected IStatus run(IProgressMonitor monitor) {
try {
// add save participant and process delta atomically
// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=59937
workspace.run(
new IWorkspaceRunnable() {
public void run(IProgressMonitor progress) throws CoreException {
ISavedState savedState = workspace.addSaveParticipant(JavaCore.PLUGIN_ID, JavaModelManager.this);
if (savedState != null) {
// the event type coming from the saved state is always POST_AUTO_BUILD
// force it to be POST_CHANGE so that the delta processor can handle it
JavaModelManager.this.deltaState.getDeltaProcessor().overridenEventType = IResourceChangeEvent.POST_CHANGE;
savedState.processResourceChangeEvents(JavaModelManager.this.deltaState);
}
}
},
monitor);
} catch (CoreException e) {
return e.getStatus();
}
return Status.OK_STATUS;
}
};
processSavedState.setSystem(true);
processSavedState.setPriority(Job.SHORT); // process asap
processSavedState.schedule();
} catch (RuntimeException e) {
shutdown();
throw e;
}
}
/**
* Initiate the background indexing process.
* This should be deferred after the plug-in activation.
*/
private void startIndexing() {
if (this.indexManager != null) this.indexManager.reset();
}
public void shutdown () {
IEclipsePreferences preferences = new InstanceScope().getNode(JavaCore.PLUGIN_ID);
try {
preferences.flush();
} catch (BackingStoreException e) {
Util.log(e, "Could not save JavaCore preferences"); //$NON-NLS-1$
}
IWorkspace workspace = ResourcesPlugin.getWorkspace();
workspace.removeResourceChangeListener(this.deltaState);
workspace.removeSaveParticipant(JavaCore.PLUGIN_ID);
// Stop listening to content-type changes
Platform.getContentTypeManager().removeContentTypeChangeListener(this);
// Stop indexing
if (this.indexManager != null) {
this.indexManager.shutdown();
}
// Stop listening to preferences changes
preferences.removePreferenceChangeListener(this.propertyListener);
((IEclipsePreferences) this.preferencesLookup[PREF_DEFAULT].parent()).removeNodeChangeListener(this.defaultNodeListener);
this.preferencesLookup[PREF_DEFAULT] = null;
((IEclipsePreferences) this.preferencesLookup[PREF_INSTANCE].parent()).removeNodeChangeListener(this.instanceNodeListener);
this.preferencesLookup[PREF_INSTANCE].removePreferenceChangeListener(this.instancePreferencesListener);
this.preferencesLookup[PREF_INSTANCE] = null;
String resourcesPluginId = ResourcesPlugin.getPlugin().getBundle().getSymbolicName();
new InstanceScope().getNode(resourcesPluginId).removePreferenceChangeListener(this.resourcesPropertyListener);
// wait for the initialization job to finish
try {
Job.getJobManager().join(JavaCore.PLUGIN_ID, null);
} catch (InterruptedException e) {
// ignore
}
// Note: no need to close the Java model as this just removes Java element infos from the Java model cache
}
public synchronized IPath variableGet(String variableName){
// check initialization in progress first
HashSet initializations = variableInitializationInProgress();
if (initializations.contains(variableName)) {
return VARIABLE_INITIALIZATION_IN_PROGRESS;
}
return (IPath)this.variables.get(variableName);
}
private synchronized IPath variableGetDefaultToPreviousSession(String variableName){
IPath variablePath = (IPath)this.variables.get(variableName);
if (variablePath == null)
return getPreviousSessionVariable(variableName);
return variablePath;
}
/*
* Returns the set of variable names that are being initialized in the current thread.
*/
private HashSet variableInitializationInProgress() {
HashSet initializations = (HashSet)this.variableInitializationInProgress.get();
if (initializations == null) {
initializations = new HashSet();
this.variableInitializationInProgress.set(initializations);
}
return initializations;
}
public synchronized String[] variableNames(){
int length = this.variables.size();
String[] result = new String[length];
Iterator vars = this.variables.keySet().iterator();
int index = 0;
while (vars.hasNext()) {
result[index++] = (String) vars.next();
}
return result;
}
public synchronized void variablePut(String variableName, IPath variablePath){
// set/unset the initialization in progress
HashSet initializations = variableInitializationInProgress();
if (variablePath == VARIABLE_INITIALIZATION_IN_PROGRESS) {
initializations.add(variableName);
// do not write out intermediate initialization value
return;
} else {
initializations.remove(variableName);
// update cache - do not only rely on listener refresh
if (variablePath == null) {
// if path is null, record that the variable was removed to avoid asking the initializer to initialize it again
// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=112609
this.variables.put(variableName, CP_ENTRY_IGNORE_PATH);
// clean other variables caches
this.variablesWithInitializer.remove(variableName);
this.deprecatedVariables.remove(variableName);
} else {
this.variables.put(variableName, variablePath);
}
// discard obsoleted information about previous session
this.previousSessionVariables.remove(variableName);
}
}
public void variablePreferencesPut(String variableName, IPath variablePath) {
String variableKey = CP_VARIABLE_PREFERENCES_PREFIX+variableName;
if (variablePath == null) {
getInstancePreferences().remove(variableKey);
} else {
getInstancePreferences().put(variableKey, variablePath.toString());
}
try {
getInstancePreferences().flush();
} catch (BackingStoreException e) {
// ignore exception
}
}
/*
* Optimize startup case where 1 variable is initialized at a time with the same value as on shutdown.
*/
public boolean variablePutIfInitializingWithSameValue(String[] variableNames, IPath[] variablePaths) {
if (variableNames.length != 1)
return false;
String variableName = variableNames[0];
IPath oldPath = variableGetDefaultToPreviousSession(variableName);
if (oldPath == null)
return false;
IPath newPath = variablePaths[0];
if (!oldPath.equals(newPath))
return false;
variablePut(variableName, newPath);
return true;
}
public void contentTypeChanged(ContentTypeChangeEvent event) {
Util.resetJavaLikeExtensions();
// Walk through projects to reset their secondary types cache
IJavaProject[] projects;
try {
projects = JavaModelManager.getJavaModelManager().getJavaModel().getJavaProjects();
} catch (JavaModelException e) {
return;
}
for (int i = 0, length = projects.length; i < length; i++) {
IJavaProject project = projects[i];
final PerProjectInfo projectInfo = getPerProjectInfo(project.getProject(), false /* don't create info */);
if (projectInfo != null) {
projectInfo.secondaryTypes = null;
}
}
}
public synchronized String cacheToString(String prefix) {
return this.cache.toStringFillingRation(prefix);
}
public Stats debugNewOpenableCacheStats() {
return this.cache.openableCache.new Stats();
}
public int getOpenableCacheSize() {
return this.cache.openableCache.getSpaceLimit();
}
}