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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
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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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* The Original Software is NetBeans. The Initial Developer of the Original
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* Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
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* Microsystems, Inc. All Rights Reserved.
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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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package org.netbeans.modules.java.jarloader;
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import javax.swing.Action;
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import org.openide.filesystems.FileObject;
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import org.openide.filesystems.FileUtil;
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import org.openide.loaders.DataFilter;
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import org.openide.loaders.DataFolder;
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import org.openide.loaders.DataNode;
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import org.openide.nodes.Children;
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import org.openide.nodes.Node;
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import org.openide.util.RequestProcessor;
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* A node to represent a JAR file.
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final class JarDataNode extends DataNode {
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public JarDataNode(JarDataObject obj) {
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this(obj, new DummyChildren());
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private JarDataNode(JarDataObject obj, DummyChildren c) {
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c.attachJarNode(this);
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setIconBaseWithExtension("org/netbeans/modules/java/jarloader/jar.gif"); // NOI18N
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public Action getPreferredAction() {
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private static Children childrenFor(FileObject jar) {
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if (!FileUtil.isArchiveFile(jar)) {
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// Maybe corrupt, etc.
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FileObject root = FileUtil.getArchiveRoot(jar);
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return DataFolder.findFolder(root).createNodeChildren(DataFilter.ALL);
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* There is no nice way to lazy create delegating node's children.
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* So, in order to fix #83595, here is a little hack that schedules
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* replacement of this dummy children on addNotify call.
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final static class DummyChildren extends Children implements Runnable {
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private JarDataNode node;
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protected void addNotify() {
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RequestProcessor.getDefault().post(this);
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private void attachJarNode(JarDataNode jarDataNode) {
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this.node = jarDataNode;
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node.setChildren(childrenFor(node.getDataObject().getPrimaryFile()));
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public boolean add(final Node[] nodes) {
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public boolean remove(final Node[] nodes) {