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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.core.startup;
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import java.util.HashMap;
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import java.util.Iterator;
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import javax.xml.parsers.ParserConfigurationException;
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import javax.xml.parsers.SAXParser;
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import javax.xml.parsers.SAXParserFactory;
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import org.xml.sax.SAXException;
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import org.xml.sax.SAXNotRecognizedException;
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import org.xml.sax.SAXNotSupportedException;
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* A special SAXParserFactory that delegates to other factories till it finds
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* one that can satisfy configured requirements.
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* @author Petr Nejedly
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public class SAXFactoryImpl extends SAXParserFactory {
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private static Class first;
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private Map<String,Boolean> features = new HashMap<String,Boolean>();
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/** The default property name according to the JAXP spec */
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private static final String SAXParserFactory_PROP =
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"javax.xml.parsers.SAXParserFactory"; // NOI18N
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public static void install() {
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System.getProperties().put(SAXParserFactory_PROP,
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SAXFactoryImpl.class.getName());
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ClassLoader orig = Thread.currentThread().getContextClassLoader();
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// Not app class loader. only ext and bootstrap
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Thread.currentThread().setContextClassLoader(ClassLoader.getSystemClassLoader().getParent());
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first = SAXParserFactory.newInstance().getClass();
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Thread.currentThread().setContextClassLoader(orig);
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DOMFactoryImpl.install();
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SAXFactoryImpl.install();
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public boolean getFeature(String name) throws ParserConfigurationException, SAXNotRecognizedException, SAXNotSupportedException {
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return features.get(name);
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public javax.xml.parsers.SAXParser newSAXParser() throws ParserConfigurationException, SAXException {
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SAXParser parser = tryCreate();
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public void setFeature(java.lang.String name, boolean value) throws ParserConfigurationException, SAXNotRecognizedException, SAXNotSupportedException {
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features.put(name, Boolean.valueOf(value));
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private SAXParser tryCreate() throws ParserConfigurationException, SAXNotRecognizedException, SAXNotSupportedException {
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for (Iterator it = new LazyIterator(first, SAXParserFactory.class, SAXFactoryImpl.class); it.hasNext(); ) {
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SAXParser parser = tryCreate((Class)it.next());
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} catch (ParserConfigurationException e) {
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if (!it.hasNext()) throw e;
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} catch (SAXNotRecognizedException e) {
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if (!it.hasNext()) throw e;
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} catch (SAXNotSupportedException e) {
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if (!it.hasNext()) throw e;
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} catch (SAXException e) {
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if (!it.hasNext()) throw new ParserConfigurationException();
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throw new IllegalStateException("Can't get here!"); // NOI18N
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private SAXParser tryCreate(Class delClass) throws ParserConfigurationException, SAXException {
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SAXParserFactory delegate = (SAXParserFactory)delClass.newInstance();
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delegate.setValidating(isValidating());
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delegate.setNamespaceAware(isNamespaceAware());
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for (Iterator it = features.entrySet().iterator(); it.hasNext(); ) {
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Map.Entry entry = (Map.Entry)it.next();
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delegate.setFeature((String)entry.getKey(), ((Boolean)entry.getValue()).booleanValue());
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return delegate.newSAXParser();
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} catch (InstantiationException e) {
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} catch (IllegalAccessException e) {
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throw (ParserConfigurationException) new ParserConfigurationException("Broken factory").initCause(ex); // NOI18N