}
public boolean execute(IProgressMonitor progressMonitor) {
if (this.isCancelled || progressMonitor != null && progressMonitor.isCanceled()) return true;
if (!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.aspectj.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.aspectj.org.eclipse.jdt.internal.core.util.Util.isJavaLikeFileName(proxy.getName())) {
IResource resource = proxy.requestResource();
if (!Util.isExcluded(resource, inclusionPatterns, exclusionPatterns))
indexManager.addSource((IFile)resource, container, parser);
}
return false;
case IResource.FOLDER :