diff options
Diffstat (limited to 'jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/designtime/internal/view/model/jsp/persistence/MasterIndex.java')
| -rw-r--r-- | jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/designtime/internal/view/model/jsp/persistence/MasterIndex.java | 442 |
1 files changed, 0 insertions, 442 deletions
diff --git a/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/designtime/internal/view/model/jsp/persistence/MasterIndex.java b/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/designtime/internal/view/model/jsp/persistence/MasterIndex.java deleted file mode 100644 index 3f2799de9..000000000 --- a/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/designtime/internal/view/model/jsp/persistence/MasterIndex.java +++ /dev/null @@ -1,442 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2008 Oracle 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: - * Oracle Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.jst.jsf.designtime.internal.view.model.jsp.persistence; - -import java.io.File; -import java.io.FileInputStream; -import java.io.FileNotFoundException; -import java.io.FileOutputStream; -import java.io.IOException; -import java.io.ObjectInputStream; -import java.io.ObjectOutputStream; -import java.io.Serializable; -import java.util.ArrayList; -import java.util.HashMap; -import java.util.List; -import java.util.Map; - -import org.eclipse.core.resources.IProject; -import org.eclipse.core.runtime.Path; -import org.eclipse.jst.jsf.core.internal.JSFCorePlugin; -import org.eclipse.jst.jsf.core.internal.JSFCoreTraceOptions; -import org.osgi.framework.Version; - -/** - * The definitive index of what projects are indexed for JSP tag registry - * persistence. - * - * @author cbateman - * - */ -class MasterIndex implements Serializable -{ - public final static SerializableVersion CURRENT_VERSION = new SerializableVersion( - 1, 0, 0); - - /** - * - */ - private static final long serialVersionUID = -2725662604972649316L; - - private final transient String _repositoryPath; - private final transient File _storageFile; - - private IndexHeader _header; - private List<ProjectIndex> _projectIndices; - - public MasterIndex(final File storageFile, final String repositoryPath) - { - _storageFile = storageFile; - _repositoryPath = repositoryPath; - } - - public synchronized void create(final SerializableVersion version) - throws IOException - { - if (JSFCoreTraceOptions.TRACE_JSPTAGPERSISTENCE) - { - JSFCoreTraceOptions.log("MasterIndex.create, version=:" //$NON-NLS-1$ - + version.toString()); - } - - _header = new IndexHeader(version); - _projectIndices = new ArrayList<ProjectIndex>(); - - save(_storageFile); - } - - public synchronized void save(final File file) throws IOException - { - FileOutputStream out = null; - - try - { - if (JSFCoreTraceOptions.TRACE_JSPTAGPERSISTENCE) - { - JSFCoreTraceOptions.log("Trying to save master index file: " //$NON-NLS-1$ - + file.getAbsolutePath()); - } - - out = new FileOutputStream(file); - final ObjectOutputStream objStream = new ObjectOutputStream(out); - objStream.writeObject(this); - - if (JSFCoreTraceOptions.TRACE_JSPTAGPERSISTENCE) - { - JSFCoreTraceOptions - .log("Master index file written successfully: " //$NON-NLS-1$ - + file.getAbsolutePath()); - } - } - finally - { - if (out != null) - { - out.close(); - } - } - } - - public synchronized void load(final SerializableVersion expectedVersion) - throws IOException, ClassNotFoundException - { - FileInputStream in = null; - - try - { - if (JSFCoreTraceOptions.TRACE_JSPTAGPERSISTENCE) - { - JSFCoreTraceOptions.log("Trying to load master index file: " //$NON-NLS-1$ - + _storageFile.getAbsolutePath()); - } - - in = new FileInputStream(_storageFile); - final ObjectInputStream objStream = new ObjectInputStream(in); - MasterIndex index = (MasterIndex) objStream.readObject(); - _header = index._header; - _projectIndices = index._projectIndices; - - if (JSFCoreTraceOptions.TRACE_JSPTAGPERSISTENCE) - { - JSFCoreTraceOptions - .log("Loaded master index file successfully:" //$NON-NLS-1$ - + _storageFile.getAbsolutePath()); - JSFCoreTraceOptions.log("Initial contents: "); //$NON-NLS-1$ - System.out.println(index.toString()); - } - } - finally - { - if (in != null) - { - in.close(); - } - } - } - - public synchronized String toString() - { - StringBuffer buffer = new StringBuffer(); - - buffer.append(String.format("Header: %s\n\n", _header.toString())); //$NON-NLS-1$ - - for (final ProjectIndex projIndex : _projectIndices) - { - buffer.append(String.format("\t%s\n", projIndex.toString())); //$NON-NLS-1$ - } - - return buffer.toString(); - } - - public synchronized ProjectIndex getProjectIndex(final IProject project) - { - ProjectIndex index = findIndex(project); - - if (index != null) - { - return index; - } - - // otherwise, create. - index = new ProjectIndex(0, project.getName(), _repositoryPath); - index.create(); - _projectIndices.add(index); - try - { - save(_storageFile); - } - catch (IOException ioe) - { - JSFCorePlugin.log(ioe, - "Failed to save master index. Project Index for " //$NON-NLS-1$ - + project.toString() + " may not be saved"); //$NON-NLS-1$ - } - return index; - } - - public synchronized void removeProjectIndex(final IProject project) throws IOException - { - final ProjectIndex index = findIndex(project); - if (index != null) - { - _projectIndices.remove(index); - if (!index.remove()) - { - throw new IOException("Failed to remove index file"); //$NON-NLS-1$ - } - } - } - - private ProjectIndex findIndex(final IProject project) - { - // check if the project already exists - for (final ProjectIndex index : _projectIndices) - { - if (index.getProjectName().equals(project.getName())) - { - return index; - } - } - return null; - } - - private void writeObject(final java.io.ObjectOutputStream out) - throws IOException - { - out.writeObject(_header); - out.writeObject(_projectIndices); - } - - private void readObject(final java.io.ObjectInputStream in) - throws IOException, ClassNotFoundException - { - _header = (IndexHeader) in.readObject(); - _projectIndices = (List<ProjectIndex>) in.readObject(); - } - - private class IndexHeader implements Serializable - { - /** - * serializable - */ - private static final long serialVersionUID = 40851054201507727L; - - private final SerializableVersion _version; -// private long _lastModifiedStamp; - - public IndexHeader(final SerializableVersion version) - { - _version = version; -// _lastModifiedStamp = 0; - } - -// protected final Version getVersion() -// { -// return _version.getVersion(); -// } -// -// protected final synchronized long modified() -// { -// return _lastModifiedStamp++; -// } -// -// protected final synchronized long getLastModifiedStamp() -// { -// return _lastModifiedStamp; -// } - - public String toString() - { - return "Version: " + _version.toString(); //$NON-NLS-1$ - } - } - - static class SerializableVersion implements Serializable - { - private Version _version; - /** - * - */ - private static final long serialVersionUID = 5973410328814890568L; - - public SerializableVersion(final int major, final int minor, - final int micro) - { - _version = new Version(major, minor, micro); - } - - public SerializableVersion(final String versionString) - { - _version = new Version(versionString); - } - - public Version getVersion() - { - return _version; - } - - public String toString() - { - return _version.toString(); - } - - private void writeObject(ObjectOutputStream out) throws IOException - { - out.writeObject(_version.toString()); - } - - private void readObject(ObjectInputStream in) throws IOException, - ClassNotFoundException - { - final String versionString = (String) in.readObject(); - _version = new Version(versionString); - } - } - - static class ProjectIndex implements Serializable - { - /** - * - */ - private static final long serialVersionUID = 2864798175910805380L; - - private final String _projectName; - private final String _relativePath; - private final long _lastModStampOnProject; - private File _file; - - /** - * @param lastModStampOnProject - * @param projectName - * @param relativePath - */ - public ProjectIndex(final long lastModStampOnProject, - final String projectName, final String relativePath) - { - super(); - _lastModStampOnProject = lastModStampOnProject; - _projectName = projectName; - _relativePath = relativePath; - } - - public boolean remove() - { - return _file.delete(); - } - - public synchronized void create() - { - final long uniqueCode = Math - .round((Math.random() * Integer.MAX_VALUE)); - final String fileName = String.format("Project_%s_%x.idx", //$NON-NLS-1$ - _projectName, Long.valueOf(uniqueCode)); - _file = new File(new Path(_relativePath).append(fileName) - .toOSString()); - } - - public synchronized Map<String, SerializableTLDNamespace> getNamespaces() - throws IOException, ClassNotFoundException - { - FileInputStream in = null; - - try - { - in = new FileInputStream(_file); - final ObjectInputStream objStream = new ObjectInputStream(in); - final Map<String, SerializableTLDNamespace> namespaces = (Map<String, SerializableTLDNamespace>) objStream - .readObject(); - return namespaces; - } - catch (FileNotFoundException nfe) - { - return new HashMap<String, SerializableTLDNamespace>(); - } - finally - { - if (in != null) - { - in.close(); - } - } - } - - public synchronized void save( - final Map<String, SerializableTLDNamespace> namespaces) - throws IOException - { - FileOutputStream out = null; - - try - { - out = new FileOutputStream(_file); - final ObjectOutputStream objStream = new ObjectOutputStream(out); - objStream.writeObject(namespaces); - } - finally - { - if (out != null) - { - out.close(); - } - } - } - - public String toString() - { - return "project= " + _projectName + ", relativePath=" //$NON-NLS-1$ //$NON-NLS-2$ - + _relativePath + ", lastModified=" //$NON-NLS-1$ - + _lastModStampOnProject + ", saveFile=" + _file; //$NON-NLS-1$ - } - - // public synchronized void save() - // { - // if (_file != null) - // { - // doSave(); - // } - // throw new NullPointerException("_file is null"); - // } - // - // private void doSave() throws IOException - // { - // FileOutputStream out = null; - // - // try - // { - // out = new FileOutputStream(_file); - // final ObjectOutputStream objStream = new ObjectOutputStream(out); - // objStream.writeObject(this); - // } - // finally - // { - // if (out != null) - // { - // out.close(); - // } - // } - // } - - protected final String getProjectName() - { - return _projectName; - } - - protected final String getRelativePath() - { - return _relativePath; - } - - protected final long getLastModStampOnProject() - { - return _lastModStampOnProject; - } - } -} |