/*******************************************************************************
* Copyright (c) 2007 Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is 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:
* Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.seam.ui.search;
import java.util.HashMap;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceProxy;
import org.eclipse.core.resources.IResourceProxyVisitor;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.content.IContentDescription;
import org.eclipse.jdt.core.search.IJavaSearchScope;
import org.eclipse.jdt.core.search.SearchPattern;
import org.jboss.tools.seam.ui.SeamGuiPlugin;
/**
* Seam path indexer. Used to determine visible Seam paths
*
* @author Jeremy
*
*/
public class SeamPathIndexer {
private class FileVisitor implements IResourceProxyVisitor {
// hash map forces only one of each file
private HashMap fPaths = new HashMap();
IJavaSearchScope fScope = null;
SearchPattern fPattern = null;
public FileVisitor(SearchPattern pattern, IJavaSearchScope scope) {
this.fPattern = pattern;
this.fScope = scope;
}
public boolean visit(IResourceProxy proxy) throws CoreException {
if(SeamSearchEngine.getInstance().isCanceled())
return false;
if (proxy.getType() == IResource.FILE) {
IFile file = (IFile)proxy.requestResource();
if(!file.isSynchronized(IResource.DEPTH_ZERO)) {
// The resource is out of sync with the file system
// Just ignore this resource.
return false;
}
IContentDescription contentDescription = file.getContentDescription();
String ctId = null;
if (contentDescription != null) {
ctId = contentDescription.getContentType().getId();
}
if (this.fScope.encloses(proxy.requestFullPath().toString())) {
fPaths.put(file.getParent().getFullPath(), SeamSearchEngine.getInstance().computeIndexLocation(file.getParent().getFullPath()));
}
// don't search deeper for files
return false;
}
return true;
}
public IPath[] getPaths() {
return (IPath[]) fPaths.values().toArray(new IPath[fPaths.size()]);
}
}
/**
* Returns visible Seam paths
*
* @param pattern
* @param scope
* @return
*/
public IPath[] getVisibleSeamPaths(SearchPattern pattern, IJavaSearchScope scope) {
FileVisitor seamFileVisitor = new FileVisitor(pattern, scope);
try {
ResourcesPlugin.getWorkspace().getRoot().accept(seamFileVisitor, 0);
}
catch (CoreException e) {
// e.printStackTrace();
SeamGuiPlugin.getPluginLog().logError(e);
}
return seamFileVisitor.getPaths();
}
}