org.eclipse.jdt.internal.core.search.indexing.AddFolderToIndex Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2000, 2009 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.jdt.internal.core.search.indexing;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceProxy;
import org.eclipse.core.resources.IResourceProxyVisitor;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.internal.compiler.SourceElementParser;
import org.eclipse.jdt.internal.core.index.Index;
import org.eclipse.jdt.internal.core.search.processing.JobManager;
import org.eclipse.jdt.internal.core.util.Util;
class AddFolderToIndex extends IndexRequest {
IPath folderPath;
IProject project;
char[][] inclusionPatterns;
char[][] exclusionPatterns;
public AddFolderToIndex(IPath folderPath, IProject project, char[][] inclusionPatterns, char[][] exclusionPatterns, IndexManager manager) {
super(project.getFullPath(), manager);
this.folderPath = folderPath;
this.project = project;
this.inclusionPatterns = inclusionPatterns;
this.exclusionPatterns = exclusionPatterns;
}
public boolean execute(IProgressMonitor progressMonitor) {
if (this.isCancelled || progressMonitor != null && progressMonitor.isCanceled()) return true;
if (!this.project.isAccessible()) return true; // nothing to do
IResource folder = this.project.getParent().findMember(this.folderPath);
if (folder == null || folder.getType() == IResource.FILE) return true; // nothing to do, source folder was removed
/* ensure no concurrent write access to index */
Index index = this.manager.getIndex(this.containerPath, true, /*reuse index file*/ true /*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
final IPath container = this.containerPath;
final IndexManager indexManager = this.manager;
final SourceElementParser parser = indexManager.getSourceElementParser(JavaCore.create(this.project), null/*requestor will be set by indexer*/);
if (this.exclusionPatterns == null && this.inclusionPatterns == null) {
folder.accept(
new IResourceProxyVisitor() {
public boolean visit(IResourceProxy proxy) /* throws CoreException */{
if (proxy.getType() == IResource.FILE) {
if (org.eclipse.jdt.internal.core.util.Util.isJavaLikeFileName(proxy.getName()))
indexManager.addSource((IFile) proxy.requestResource(), container, parser);
return false;
}
return true;
}
},
IResource.NONE
);
} else {
folder.accept(
new IResourceProxyVisitor() {
public boolean visit(IResourceProxy proxy) /* throws CoreException */{
switch(proxy.getType()) {
case IResource.FILE :
if (org.eclipse.jdt.internal.core.util.Util.isJavaLikeFileName(proxy.getName())) {
IResource resource = proxy.requestResource();
if (!Util.isExcluded(resource, AddFolderToIndex.this.inclusionPatterns, AddFolderToIndex.this.exclusionPatterns))
indexManager.addSource((IFile)resource, container, parser);
}
return false;
case IResource.FOLDER :
if (AddFolderToIndex.this.exclusionPatterns != null && AddFolderToIndex.this.inclusionPatterns == null) {
// if there are inclusion patterns then we must walk the children
if (Util.isExcluded(proxy.requestFullPath(), AddFolderToIndex.this.inclusionPatterns, AddFolderToIndex.this.exclusionPatterns, true))
return false;
}
}
return true;
}
},
IResource.NONE
);
}
} catch (CoreException e) {
if (JobManager.VERBOSE) {
Util.verbose("-> failed to add " + this.folderPath + " to 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 "adding " + this.folderPath + " to index " + this.containerPath; //$NON-NLS-1$ //$NON-NLS-2$
}
}