/* * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.sun.xml.internal.xsom.util; import com.sun.xml.internal.xsom.XSAnnotation; import com.sun.xml.internal.xsom.parser.AnnotationContext; import com.sun.xml.internal.xsom.parser.AnnotationParser; import com.sun.xml.internal.xsom.parser.AnnotationParserFactory; import javax.xml.XMLConstants; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.xml.sax.ContentHandler; import org.xml.sax.EntityResolver; import org.xml.sax.ErrorHandler; import javax.xml.transform.TransformerConfigurationException; import javax.xml.transform.dom.DOMResult; import javax.xml.transform.sax.SAXTransformerFactory; import javax.xml.transform.sax.TransformerHandler; /** * {@link AnnotationParserFactory} that parses annotations into a W3C DOM. * *

* If you use this parser factory, you'll get {@link Element} that represents * {@code } from {@link XSAnnotation#getAnnotation()}. * *

* When multiple {@code s} are found for the given schema component, * you'll see all {@code s} and {@code s} combined under * one {@code } element. * * @author Kohsuke Kawaguchi */ public class DomAnnotationParserFactory implements AnnotationParserFactory { public AnnotationParser create() { return new AnnotationParserImpl(); } public AnnotationParser create(boolean disableSecureProcessing) { return new AnnotationParserImpl(disableSecureProcessing); } private static final ContextClassloaderLocal stf = new ContextClassloaderLocal() { @Override protected SAXTransformerFactory initialValue() throws Exception { return (SAXTransformerFactory) SAXTransformerFactory.newInstance(); } }; private static class AnnotationParserImpl extends AnnotationParser { /** * Identity transformer used to parse SAX into DOM. */ private final TransformerHandler transformer; private DOMResult result; AnnotationParserImpl() { this(false); } AnnotationParserImpl(boolean disableSecureProcessing) { try { SAXTransformerFactory factory = stf.get(); factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, disableSecureProcessing); transformer = factory.newTransformerHandler(); } catch (TransformerConfigurationException e) { throw new Error(e); // impossible } } public ContentHandler getContentHandler(AnnotationContext context, String parentElementName, ErrorHandler errorHandler, EntityResolver entityResolver) { result = new DOMResult(); transformer.setResult(result); return transformer; } public Object getResult(Object existing) { Document dom = (Document)result.getNode(); Element e = dom.getDocumentElement(); if(existing instanceof Element) { // merge all the children Element prev = (Element) existing; Node anchor = e.getFirstChild(); while(prev.getFirstChild()!=null) { Node move = prev.getFirstChild(); e.insertBefore(e.getOwnerDocument().adoptNode(move), anchor ); } } return e; } } }