/*******************************************************************************
* Copyright (c) 2000, 2006 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.aspectj.org.eclipse.jdt.internal.core.search.indexing;
import java.io.IOException;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.aspectj.org.eclipse.jdt.internal.core.index.Index;
import org.aspectj.org.eclipse.jdt.internal.core.search.processing.JobManager;
import org.aspectj.org.eclipse.jdt.internal.core.util.Util;
class RemoveFolderFromIndex extends IndexRequest {
IPath folderPath;
char[][] inclusionPatterns;
char[][] exclusionPatterns;
IProject project;
public RemoveFolderFromIndex(IPath folderPath, char[][] inclusionPatterns, char[][] exclusionPatterns, IProject project, IndexManager manager) {
super(project.getFullPath(), manager);
this.folderPath = folderPath;
this.inclusionPatterns = inclusionPatterns;
this.exclusionPatterns = exclusionPatterns;
this.project = project;
}
public boolean execute(IProgressMonitor progressMonitor) {
if (this.isCancelled || progressMonitor != null && progressMonitor.isCanceled()) return true;
/* ensure no concurrent write access to index */
Index index = this.manager.getIndex(this.containerPath, true, /*reuse index file*/ false /*create if none*/);
if (index == null) return true;
ReadWriteMonitor monitor = index.monitor;
if (monitor == null) return true; // index got deleted since acquired
try {
monitor.enterRead(); // ask permission to read
String containerRelativePath = Util.relativePath(this.folderPath, this.containerPath.segmentCount());
String[] paths = index.queryDocumentNames(containerRelativePath);
// all file names belonging to the folder or its subfolders and that are not excluded (see http://bugs.eclipse.org/bugs/show_bug.cgi?id=32607)
if (paths != null) {
if (this.exclusionPatterns == null && this.inclusionPatterns == null) {
for (int i = 0, max = paths.length; i < max; i++) {
manager.remove(paths[i], this.containerPath); // write lock will be acquired by the remove operation
}
} else {
for (int i = 0, max = paths.length; i < max; i++) {
String documentPath = this.containerPath.toString() + '/' + paths[i];
if (!Util.isExcluded(new Path(documentPath), this.inclusionPatterns, this.exclusionPatterns, false))
manager.remove(paths[i], this.containerPath); // write lock will be acquired by the remove operation
}
}
}
} catch (IOException e) {
if (JobManager.VERBOSE) {
Util.verbose("-> failed to remove " + this.folderPath + " from index because of the following exception:", System.err); //$NON-NLS-1$ //$NON-NLS-2$
e.printStackTrace();
}
return false;
} finally {
monitor.exitRead(); // free read lock
}
return true;
}
public String toString() {
return "removing " + this.folderPath + " from index " + this.containerPath; //$NON-NLS-1$ //$NON-NLS-2$
}
}