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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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* "[Contributor] elects to include this software in this distribution
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* your version of this file under either the CDDL, the GPL Version 2 or
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* However, if you add GPL Version 2 code and therefore, elected the GPL
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* made subject to such option by the copyright holder.
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package org.netbeans.modules.j2ee.blueprints.catalog;
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import java.io.IOException;
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import java.io.InputStream;
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import javax.xml.parsers.ParserConfigurationException;
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import org.netbeans.modules.j2ee.blueprints.catalog.bpcatalogxmlparser.Nbcatalog;
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import org.xml.sax.SAXException;
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* Singleton for accessing the solutions catalog.
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public class SolutionsCatalog {
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private static SolutionsCatalog theInstance = null;
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private static final String NBCATALOG =
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"/org/netbeans/modules/j2ee/blueprints/nbcatalog.xml"; // NOI18N
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/** Parsed representation of nbcatalog.xml */
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private Nbcatalog nbcatalogXml = null;
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/** Private Singleton constructor */
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private SolutionsCatalog() {}
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public static SolutionsCatalog getInstance() {
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if(theInstance == null) {
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private synchronized static void createInstance() {
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if(theInstance == null) {
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theInstance = new SolutionsCatalog();
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public Nbcatalog getCatalogXml() {
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if(this.nbcatalogXml == null){
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parseCatalogXml(NBCATALOG);
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return this.nbcatalogXml;
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public Nbcatalog getCurrentNbcatalogXml() {
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parseCatalogXml(NBCATALOG);
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private synchronized void parseCatalogXml(String catalogFile) {
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this.nbcatalogXml = new Nbcatalog();
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InputStream in = getClass().getResourceAsStream(catalogFile);
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this.nbcatalogXml = Nbcatalog.read(in);
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catch(ParserConfigurationException e) {
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throw new RuntimeException(e);
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catch(SAXException e) {
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throw new RuntimeException(e);
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catch(IOException e) {
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throw new RuntimeException(e);