001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
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035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
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040: */
041: package org.netbeans.modules.visualweb.designer.markup;
042:
043: import org.apache.xerces.util.XMLGrammarPoolImpl;
044: import org.apache.xerces.xni.grammars.XMLGrammarPool;
045:
046: /**
047: * Simple modification to the Xerces DOM parser to get my own Document
048: * created when it processes a startElement; my own document will then
049: * (a) allow me to keep some state, and more importantly, (b) allow me
050: * to implement the StylableElement interface from batik's CSS handling
051: * code.
052: *
053: * @author Tor Norbye
054: */
055: public class RaveDomParser extends org.apache.xerces.parsers.DOMParser {
056:
057: // static XMLGrammarPool grammarPool = new XMLGrammarPoolImpl();
058:
059: public RaveDomParser(boolean sourceDocument) {
060: // I had tried just calling this on the domParser field of the
061: // document builder impl, but it's not accessible so I had to
062: // create my own parser subclass
063: if (sourceDocument) {
064: setDocumentClassName("org.netbeans.modules.visualweb.designer.markup.RaveSourceDocument");
065: fConfiguration
066: .setProperty(DOCUMENT_CLASS_NAME,
067: "org.netbeans.modules.visualweb.designer.markup.RaveSourceDocument");
068: } else { // XXX render document
069: setDocumentClassName("org.netbeans.modules.visualweb.designer.markup.RaveRenderedDocument");
070: fConfiguration
071: .setProperty(DOCUMENT_CLASS_NAME,
072: "org.netbeans.modules.visualweb.designer.markup.RaveRenderedDocument");
073: }
074: // Enable dtd/grammar caching so we don't keep processing the
075: // entity DTD declaration
076: //fConfiguration.setProperty(XMLGRAMMAR_POOL, grammarPool);
077: }
078:
079: protected void setDocumentClassName(String documentClassName) {
080: ClassLoader oldContextClassLoader = Thread.currentThread()
081: .getContextClassLoader();
082: boolean reset = false;
083: try {
084: //ClassLoader may be set to the project's ClassLoader earlier in the
085: //call stack when this is being called
086: ClassLoader this ClassLoader = this .getClass()
087: .getClassLoader();
088: if (oldContextClassLoader != this ClassLoader) {
089: Thread.currentThread().setContextClassLoader(
090: this ClassLoader);
091: reset = true;
092: }
093: super.setDocumentClassName(documentClassName);
094: } finally {
095: if (reset) {
096: Thread.currentThread().setContextClassLoader(
097: oldContextClassLoader);
098: }
099: }
100: }
101: }
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