/*******************************************************************************
* Copyright (c) 2000, 2007 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
*
*******************************************************************************/
package org.eclipse.dltk.internal.core.search;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.dltk.core.search.SearchParticipant;
import org.eclipse.dltk.core.search.SearchPattern;
import org.eclipse.dltk.internal.compiler.env.AccessRuleSet;
/**
* Collects the resource paths reported by a client to this search requestor.
*/
public class PathCollector extends IndexQueryRequestor {
/* a set of resource paths */
private final Set<String> paths = new HashSet<String>(5);
public boolean acceptIndexMatch(String documentPath,
SearchPattern indexRecord, SearchParticipant participant,
AccessRuleSet access) {
paths.add(documentPath);
return true;
}
/**
* Returns the paths that have been collected or <code>null</code> if there
* are no paths
*/
public String[] getPaths() {
if (paths.isEmpty())
return null;
else
return paths.toArray(new String[paths.size()]);
}
}