/** {@inheritDoc} */
public void run() {
IResource resource = (IResource) fSelectedElements.get(0);
final IJavaProject project = JavaCore.create(resource.getProject());
try {
final IRunnableWithProgress runnable =
new IRunnableWithProgress() {
public void run(IProgressMonitor monitor)
throws InvocationTargetException, InterruptedException {
try {
List result = unExclude(fSelectedElements, project, monitor);
selectAndReveal(new StructuredSelection(result));
} catch (CoreException e) {
throw new InvocationTargetException(e);
}
}
};
PlatformUI.getWorkbench().getProgressService().run(true, false, runnable);
} catch (final InvocationTargetException e) {
if (e.getCause() instanceof CoreException) {
showExceptionDialog((CoreException) e.getCause());
} else {
JavaPlugin.log(e);
}
} catch (final InterruptedException e) {
}
}
private boolean canHandle(IStructuredSelection elements) {
if (elements.size() == 0) return false;
try {
fSelectedElements.clear();
for (Iterator iter = elements.iterator(); iter.hasNext(); ) {
Object element = iter.next();
fSelectedElements.add(element);
if (element instanceof IResource) {
IResource resource = (IResource) element;
IJavaProject project = JavaCore.create(resource.getProject());
if (project == null || !project.exists()) return false;
if (!ClasspathModifier.isExcluded(resource, project)) return false;
} else {
return false;
}
}
return true;
} catch (CoreException e) {
}
return false;
}
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 (descent.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 (descent.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:
if (exclusionPatterns != null && inclusionPatterns == null) {
// if there are inclusion patterns then we must walk the children
if (Util.isExcluded(
proxy.requestFullPath(), inclusionPatterns, 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;
}
/** Convenience method to get access to the java model. */
protected static IJavaModel getJavaModel() {
return JavaCore.create(getWorkspaceRoot());
}