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/* |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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* |
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* Copyright 2009 Sun Microsystems, Inc. All rights reserved. |
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* |
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* The contents of this file are subject to the terms of either the GNU |
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* General Public License Version 2 only ("GPL") or the Common |
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* Development and Distribution License("CDDL") (collectively, the |
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* "License"). You may not use this file except in compliance with the |
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* License. You can obtain a copy of the License at |
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* http://www.netbeans.org/cddl-gplv2.html |
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* or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the |
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* specific language governing permissions and limitations under the |
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* License. When distributing the software, include this License Header |
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* Notice in each file and include the License file at |
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* nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Sun in the GPL Version 2 section of the License file that |
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* accompanied this code. If applicable, add the following below the |
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* License Header, with the fields enclosed by brackets [] replaced by |
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* your own identifying information: |
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* "Portions Copyrighted [year] [name of copyright owner]" |
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* |
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* If you wish your version of this file to be governed by only the CDDL |
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* or only the GPL Version 2, indicate your decision by adding |
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* "[Contributor] elects to include this software in this distribution |
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* under the [CDDL or GPL Version 2] license." If you do not indicate a |
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* single choice of license, a recipient has the option to distribute |
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* your version of this file under either the CDDL, the GPL Version 2 or |
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* to extend the choice of license to its licensees as provided above. |
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* However, if you add GPL Version 2 code and therefore, elected the GPL |
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* Version 2 license, then the option applies only if the new code is |
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* made subject to such option by the copyright holder. |
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* |
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* Contributor(s): |
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* |
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* Portions Copyrighted 2009 Sun Microsystems, Inc. |
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*/ |
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package org.netbeans.modules.parsing.impl.indexing; |
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import java.net.URL; |
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import java.util.HashMap; |
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import java.util.Map; |
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import java.util.Set; |
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import org.openide.filesystems.FileObject; |
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import org.openide.filesystems.FileStateInvalidException; |
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import org.openide.util.Exceptions; |
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|
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/** |
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* |
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* @author lahvac |
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*/ |
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public class FileObjectKeeper { |
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private static final FileObjectKeeper INSTANCE = new FileObjectKeeper(); |
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public static FileObjectKeeper getDefault() { |
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return INSTANCE; |
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} |
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private static final String KEEP_KIND = System.getProperty(FileObjectKeeper.class.getName() + ".kind"); |
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public static final boolean KEEP_FOLDERS = "folders".equals(KEEP_KIND) || "all".equals(KEEP_KIND); |
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public static final boolean KEEP_FILES = "all".equals(KEEP_KIND); |
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private final Map<URL, Set<FileObject>> kept = new HashMap<URL, Set<FileObject>>(); |
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public synchronized boolean isKnown(FileObject root) { |
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try { |
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return kept.containsKey(root.getURL()); |
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} catch (FileStateInvalidException ex) { |
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Exceptions.printStackTrace(ex); |
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return false; |
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} |
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} |
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public synchronized void record(FileObject root, Set<FileObject> files) { |
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try { |
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kept.put(root.getURL(), files); |
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} catch (FileStateInvalidException ex) { |
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Exceptions.printStackTrace(ex); |
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} |
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} |
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public synchronized void remove(Iterable<? extends URL> roots) { |
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for (URL u : roots) { |
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kept.remove(u); |
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} |
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} |
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public synchronized void fileCreated(URL root, FileObject file) { |
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Set<FileObject> d = kept.get(root); |
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if (d != null) { |
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d.add(file); |
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} |
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} |
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public synchronized void fileDeleted(URL root, FileObject file) { |
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Set<FileObject> d = kept.get(root); |
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if (d != null) { |
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d.remove(file); |
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} |
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} |
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} |