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/*******************************************************************************
* Copyright (c) 2007, 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
*******************************************************************************/
package org.eclipse.wst.jsdt.web.core.internal.project;
import java.util.Arrays;
import java.util.Vector;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.resources.IProjectNature;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.Path;
import org.eclipse.wst.jsdt.core.IAccessRule;
import org.eclipse.wst.jsdt.core.IIncludePathAttribute;
import org.eclipse.wst.jsdt.core.IIncludePathEntry;
import org.eclipse.wst.jsdt.core.JavaScriptCore;
import org.eclipse.wst.jsdt.core.LibrarySuperType;
import org.eclipse.wst.jsdt.internal.core.JavaProject;
import org.eclipse.wst.jsdt.internal.core.util.ConvertUtility;
//import org.eclipse.wst.jsdt.ui.PreferenceConstants;
/**
*
* Provisional API: This class/interface is part of an interim API that is still under development and expected to
* change significantly before reaching stability. It is being made available at this early stage to solicit feedback
* from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken
* (repeatedly) as the API evolves.
*/
public class JsWebNature implements IProjectNature {
//private static final String FILENAME_CLASSPATH = ".classpath"; //$NON-NLS-1$
// private static final String NATURE_IDS[] =
// {"org.eclipse.wst.jsdt.web.core.embeded.jsNature",JavaScriptCore.NATURE_ID};
// //$NON-NLS-1$
private static final String NATURE_IDS[] = { JavaScriptCore.NATURE_ID };
public static final IPath VIRTUAL_BROWSER_CLASSPATH = new Path("org.eclipse.wst.jsdt.launching.baseBrowserLibrary"); //$NON-NLS-1$
public static final String VIRTUAL_CONTAINER = "org.eclipse.wst.jsdt.launching.WebProject"; //$NON-NLS-1$
public static final IIncludePathEntry VIRTUAL_SCOPE_ENTRY = JavaScriptCore.newContainerEntry(new Path(VIRTUAL_CONTAINER), new IAccessRule[0], new IIncludePathAttribute[] {IIncludePathAttribute.HIDE}, false);
private static final String SUPER_TYPE_NAME = "Window"; //$NON-NLS-1$
private static final String SUPER_TYPE_LIBRARY = "org.eclipse.wst.jsdt.launching.baseBrowserLibrary"; //$NON-NLS-1$
/* Default JRE entry */
private static final String DEFAULT_JRE_PATH = "org.eclipse.wst.jsdt.launching.JRE_CONTAINER"; //$NON-NLS-1$
public static void addJsNature(IProject project, IProgressMonitor monitor) throws CoreException {
if (monitor != null && monitor.isCanceled()) {
throw new OperationCanceledException();
}
if (!JsWebNature.hasNature(project)) {
IProjectDescription description = project.getDescription();
String[] prevNatures = description.getNatureIds();
String[] newNatures = new String[prevNatures.length + JsWebNature.NATURE_IDS.length];
System.arraycopy(prevNatures, 0, newNatures, 0, prevNatures.length);
// newNatures[prevNatures.length] = JavaScriptCore.NATURE_ID;
for (int i = 0; i < JsWebNature.NATURE_IDS.length; i++) {
newNatures[prevNatures.length + i] = JsWebNature.NATURE_IDS[i];
}
description.setNatureIds(newNatures);
project.setDescription(description, monitor);
} else {
if (monitor != null) {
monitor.worked(1);
}
}
}
public static boolean hasNature(IProject project) {
try {
for (int i = 0; i < JsWebNature.NATURE_IDS.length; i++) {
if (!project.hasNature(JsWebNature.NATURE_IDS[i])) {
return false;
}
}
} catch (CoreException ex) {
return false;
}
return true;
}
public static void removeJsNature(IProject project, IProgressMonitor monitor) throws CoreException {
if (monitor != null && monitor.isCanceled()) {
throw new OperationCanceledException();
}
if (JsWebNature.hasNature(project)) {
IProjectDescription description = project.getDescription();
String[] prevNatures = description.getNatureIds();
String[] newNatures = new String[prevNatures.length - JsWebNature.NATURE_IDS.length];
int k = 0;
head: for (int i = 0; i < prevNatures.length; i++) {
for (int j = 0; j < JsWebNature.NATURE_IDS.length; j++) {
if (prevNatures[i].equals(JsWebNature.NATURE_IDS[j])) {
continue head;
}
}
newNatures[k++] = prevNatures[i];
}
description.setNatureIds(newNatures);
project.setDescription(description, monitor);
} else {
if (monitor != null) {
monitor.worked(1);
}
}
}
private Vector classPathEntries = new Vector();
private boolean DEBUG = false;
private IProject fCurrProject;
private JavaProject fJavaProject;
private IPath fOutputLocation;
private IProgressMonitor monitor;
public JsWebNature() {
monitor = new NullProgressMonitor();
}
public JsWebNature(IProject project, IProgressMonitor monitor) {
fCurrProject = project;
if (monitor != null) {
this.monitor = monitor;
} else {
monitor = new NullProgressMonitor();
}
}
public void configure() throws CoreException {
initOutputPath();
createSourceClassPath();
initJREEntry();
initLocalClassPath();
if (hasProjectClassPathFile()) {
IIncludePathEntry[] entries = getRawClassPath();
if (entries != null && entries.length > 0) {
classPathEntries.removeAll(Arrays.asList(entries));
classPathEntries.addAll(Arrays.asList(entries));
}
}
JsWebNature.addJsNature(fCurrProject, monitor);
fJavaProject = (JavaProject) JavaScriptCore.create(fCurrProject);
fJavaProject.setProject(fCurrProject);
try {
// , fOutputLocation
if (!hasProjectClassPathFile()) {
fJavaProject.setRawIncludepath((IIncludePathEntry[]) classPathEntries.toArray(new IIncludePathEntry[] {}), fOutputLocation, monitor);
}else{
fJavaProject.setRawIncludepath((IIncludePathEntry[]) classPathEntries.toArray(new IIncludePathEntry[] {}), monitor);
}
} catch (Exception e) {
System.out.println(e);
}
LibrarySuperType superType = new LibrarySuperType(new Path( SUPER_TYPE_LIBRARY), getJavaProject(), SUPER_TYPE_NAME);
getJavaProject().setCommonSuperType(superType);
// getJavaProject().addToBuildSpec(BUILDER_ID);
fCurrProject.refreshLocal(IResource.DEPTH_INFINITE, monitor);
}
private void createSourceClassPath() {
if (hasAValidSourcePath()) {
return;
}
IIncludePathEntry[] entries = new ConvertUtility(fCurrProject).getDefaultSourcePaths(fCurrProject);
for (int i = 0; i < entries.length; i++) {
classPathEntries.add(entries[i]);
}
// IPath projectPath = fCurrProject.getFullPath();
// classPathEntries.add(JavaScriptCore.newSourceEntry(projectPath));
}
public void deconfigure() throws CoreException {
Vector badEntries = new Vector();
IIncludePathEntry defaultJRELibrary = getJreEntry();
IIncludePathEntry[] localEntries = initLocalClassPath();
badEntries.add(defaultJRELibrary);
badEntries.addAll(Arrays.asList(localEntries));
IIncludePathEntry[] entries = getRawClassPath();
Vector goodEntries = new Vector();
for (int i = 0; i < entries.length; i++) {
if (!badEntries.contains(entries[i])) {
goodEntries.add(entries[i]);
}
}
// getJavaProject().removeFromBuildSpec(BUILDER_ID);
IPath outputLocation = getJavaProject().getOutputLocation();
getJavaProject().setRawIncludepath((IIncludePathEntry[]) goodEntries.toArray(new IIncludePathEntry[] {}), outputLocation, monitor);
getJavaProject().deconfigure();
JsWebNature.removeJsNature(fCurrProject, monitor);
fCurrProject.refreshLocal(IResource.DEPTH_INFINITE, monitor);
}
public JavaProject getJavaProject() {
if (fJavaProject == null) {
fJavaProject = (JavaProject) JavaScriptCore.create(fCurrProject);
fJavaProject.setProject(fCurrProject);
}
return fJavaProject;
}
public IProject getProject() {
return this.fCurrProject;
}
private IIncludePathEntry[] getRawClassPath() {
JavaProject proj = new JavaProject();
proj.setProject(fCurrProject);
return proj.readRawIncludepath();
}
private boolean hasAValidSourcePath() {
if (hasProjectClassPathFile()) {
try {
IIncludePathEntry[] entries = getRawClassPath();
for (int i = 0; i < entries.length; i++) {
if (entries[i].getEntryKind() == IIncludePathEntry.CPE_SOURCE) {
return true;
}
}
} catch (Exception e) {
if (DEBUG) {
System.out.println(Messages.getString("JsWebNature.5") + e); //$NON-NLS-1$
}
}
}
return false;
}
private boolean hasProjectClassPathFile() {
if (fCurrProject == null) {
return false;
}
return fCurrProject.getFolder(JavaProject.DEFAULT_PREFERENCES_DIRNAME).getFile(JavaProject.CLASSPATH_FILENAME).exists();
}
private IIncludePathEntry getJreEntry() {
return JavaScriptCore.newContainerEntry(new Path(DEFAULT_JRE_PATH));
}
private void initJREEntry() {
IIncludePathEntry defaultJRELibrary = getJreEntry();
try {
IIncludePathEntry[] entries = getRawClassPath();
for (int i = 0; i < entries.length; i++) {
if (entries[i] == defaultJRELibrary) {
return;
}
}
classPathEntries.add(defaultJRELibrary);
} catch (Exception e) {
if (DEBUG) {
System.out.println(Messages.getString("JsWebNature.6") + e); //$NON-NLS-1$
}
}
}
private IIncludePathEntry[] initLocalClassPath() {
classPathEntries.add(JsWebNature.VIRTUAL_SCOPE_ENTRY);
IIncludePathEntry browserLibrary = JavaScriptCore.newContainerEntry( VIRTUAL_BROWSER_CLASSPATH);
classPathEntries.add(browserLibrary);
//IPath webRoot = WebRootFinder.getWebContentFolder(fCurrProject);
// IIncludePathEntry source = JavaScriptCore.newSourceEntry(fCurrProject.getFullPath().append(webRoot).append("/"));
// classPathEntries.add(source);
return new IIncludePathEntry[] { JsWebNature.VIRTUAL_SCOPE_ENTRY , browserLibrary/*,source*/};
}
private void initOutputPath() {
if (fOutputLocation == null) {
fOutputLocation = fCurrProject.getFullPath();
}
}
public void setProject(IProject project) {
this.fCurrProject = project;
}
}
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