1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/share/jaxws_classes/javax/xml/bind/util/JAXBSource.java Wed Apr 27 01:27:09 2016 +0800 1.3 @@ -0,0 +1,272 @@ 1.4 +/* 1.5 + * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. Oracle designates this 1.11 + * particular file as subject to the "Classpath" exception as provided 1.12 + * by Oracle in the LICENSE file that accompanied this code. 1.13 + * 1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.17 + * version 2 for more details (a copy is included in the LICENSE file that 1.18 + * accompanied this code). 1.19 + * 1.20 + * You should have received a copy of the GNU General Public License version 1.21 + * 2 along with this work; if not, write to the Free Software Foundation, 1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.23 + * 1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.25 + * or visit www.oracle.com if you need additional information or have any 1.26 + * questions. 1.27 + */ 1.28 + 1.29 +package javax.xml.bind.util; 1.30 + 1.31 +import org.xml.sax.ContentHandler; 1.32 +import org.xml.sax.DTDHandler; 1.33 +import org.xml.sax.EntityResolver; 1.34 +import org.xml.sax.ErrorHandler; 1.35 +import org.xml.sax.InputSource; 1.36 +import org.xml.sax.SAXException; 1.37 +import org.xml.sax.SAXNotRecognizedException; 1.38 +import org.xml.sax.SAXParseException; 1.39 +import org.xml.sax.XMLReader; 1.40 +import org.xml.sax.ext.LexicalHandler; 1.41 +import org.xml.sax.helpers.XMLFilterImpl; 1.42 + 1.43 +import javax.xml.bind.JAXBContext; 1.44 +import javax.xml.bind.JAXBException; 1.45 +import javax.xml.bind.Marshaller; 1.46 +import javax.xml.transform.sax.SAXSource; 1.47 +import org.xml.sax.XMLFilter; 1.48 + 1.49 +/** 1.50 + * JAXP {@link javax.xml.transform.Source} implementation 1.51 + * that marshals a JAXB-generated object. 1.52 + * 1.53 + * <p> 1.54 + * This utility class is useful to combine JAXB with 1.55 + * other Java/XML technologies. 1.56 + * 1.57 + * <p> 1.58 + * The following example shows how to use JAXB to marshal a document 1.59 + * for transformation by XSLT. 1.60 + * 1.61 + * <blockquote> 1.62 + * <pre> 1.63 + * MyObject o = // get JAXB content tree 1.64 + * 1.65 + * // jaxbContext is a JAXBContext object from which 'o' is created. 1.66 + * JAXBSource source = new JAXBSource( jaxbContext, o ); 1.67 + * 1.68 + * // set up XSLT transformation 1.69 + * TransformerFactory tf = TransformerFactory.newInstance(); 1.70 + * Transformer t = tf.newTransformer(new StreamSource("test.xsl")); 1.71 + * 1.72 + * // run transformation 1.73 + * t.transform(source,new StreamResult(System.out)); 1.74 + * </pre> 1.75 + * </blockquote> 1.76 + * 1.77 + * <p> 1.78 + * The fact that JAXBSource derives from SAXSource is an implementation 1.79 + * detail. Thus in general applications are strongly discouraged from 1.80 + * accessing methods defined on SAXSource. In particular, 1.81 + * the setXMLReader and setInputSource methods shall never be called. 1.82 + * The XMLReader object obtained by the getXMLReader method shall 1.83 + * be used only for parsing the InputSource object returned by 1.84 + * the getInputSource method. 1.85 + * 1.86 + * <p> 1.87 + * Similarly the InputSource object obtained by the getInputSource 1.88 + * method shall be used only for being parsed by the XMLReader object 1.89 + * returned by the getXMLReader. 1.90 + * 1.91 + * @author 1.92 + * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com) 1.93 + */ 1.94 +public class JAXBSource extends SAXSource { 1.95 + 1.96 + /** 1.97 + * Creates a new {@link javax.xml.transform.Source} for the given content object. 1.98 + * 1.99 + * @param context 1.100 + * JAXBContext that was used to create 1.101 + * <code>contentObject</code>. This context is used 1.102 + * to create a new instance of marshaller and must not be null. 1.103 + * @param contentObject 1.104 + * An instance of a JAXB-generated class, which will be 1.105 + * used as a {@link javax.xml.transform.Source} (by marshalling it into XML). It must 1.106 + * not be null. 1.107 + * @throws JAXBException if an error is encountered while creating the 1.108 + * JAXBSource or if either of the parameters are null. 1.109 + */ 1.110 + public JAXBSource( JAXBContext context, Object contentObject ) 1.111 + throws JAXBException { 1.112 + 1.113 + this( 1.114 + ( context == null ) ? 1.115 + assertionFailed( Messages.format( Messages.SOURCE_NULL_CONTEXT ) ) : 1.116 + context.createMarshaller(), 1.117 + 1.118 + ( contentObject == null ) ? 1.119 + assertionFailed( Messages.format( Messages.SOURCE_NULL_CONTENT ) ) : 1.120 + contentObject); 1.121 + } 1.122 + 1.123 + /** 1.124 + * Creates a new {@link javax.xml.transform.Source} for the given content object. 1.125 + * 1.126 + * @param marshaller 1.127 + * A marshaller instance that will be used to marshal 1.128 + * <code>contentObject</code> into XML. This must be 1.129 + * created from a JAXBContext that was used to build 1.130 + * <code>contentObject</code> and must not be null. 1.131 + * @param contentObject 1.132 + * An instance of a JAXB-generated class, which will be 1.133 + * used as a {@link javax.xml.transform.Source} (by marshalling it into XML). It must 1.134 + * not be null. 1.135 + * @throws JAXBException if an error is encountered while creating the 1.136 + * JAXBSource or if either of the parameters are null. 1.137 + */ 1.138 + public JAXBSource( Marshaller marshaller, Object contentObject ) 1.139 + throws JAXBException { 1.140 + 1.141 + if( marshaller == null ) 1.142 + throw new JAXBException( 1.143 + Messages.format( Messages.SOURCE_NULL_MARSHALLER ) ); 1.144 + 1.145 + if( contentObject == null ) 1.146 + throw new JAXBException( 1.147 + Messages.format( Messages.SOURCE_NULL_CONTENT ) ); 1.148 + 1.149 + this.marshaller = marshaller; 1.150 + this.contentObject = contentObject; 1.151 + 1.152 + super.setXMLReader(pseudoParser); 1.153 + // pass a dummy InputSource. We don't care 1.154 + super.setInputSource(new InputSource()); 1.155 + } 1.156 + 1.157 + private final Marshaller marshaller; 1.158 + private final Object contentObject; 1.159 + 1.160 + // this object will pretend as an XMLReader. 1.161 + // no matter what parameter is specified to the parse method, 1.162 + // it just parse the contentObject. 1.163 + private final XMLReader pseudoParser = new XMLReader() { 1.164 + public boolean getFeature(String name) throws SAXNotRecognizedException { 1.165 + if(name.equals("http://xml.org/sax/features/namespaces")) 1.166 + return true; 1.167 + if(name.equals("http://xml.org/sax/features/namespace-prefixes")) 1.168 + return false; 1.169 + throw new SAXNotRecognizedException(name); 1.170 + } 1.171 + 1.172 + public void setFeature(String name, boolean value) throws SAXNotRecognizedException { 1.173 + if(name.equals("http://xml.org/sax/features/namespaces") && value) 1.174 + return; 1.175 + if(name.equals("http://xml.org/sax/features/namespace-prefixes") && !value) 1.176 + return; 1.177 + throw new SAXNotRecognizedException(name); 1.178 + } 1.179 + 1.180 + public Object getProperty(String name) throws SAXNotRecognizedException { 1.181 + if( "http://xml.org/sax/properties/lexical-handler".equals(name) ) { 1.182 + return lexicalHandler; 1.183 + } 1.184 + throw new SAXNotRecognizedException(name); 1.185 + } 1.186 + 1.187 + public void setProperty(String name, Object value) throws SAXNotRecognizedException { 1.188 + if( "http://xml.org/sax/properties/lexical-handler".equals(name) ) { 1.189 + this.lexicalHandler = (LexicalHandler)value; 1.190 + return; 1.191 + } 1.192 + throw new SAXNotRecognizedException(name); 1.193 + } 1.194 + 1.195 + private LexicalHandler lexicalHandler; 1.196 + 1.197 + // we will store this value but never use it by ourselves. 1.198 + private EntityResolver entityResolver; 1.199 + public void setEntityResolver(EntityResolver resolver) { 1.200 + this.entityResolver = resolver; 1.201 + } 1.202 + public EntityResolver getEntityResolver() { 1.203 + return entityResolver; 1.204 + } 1.205 + 1.206 + private DTDHandler dtdHandler; 1.207 + public void setDTDHandler(DTDHandler handler) { 1.208 + this.dtdHandler = handler; 1.209 + } 1.210 + public DTDHandler getDTDHandler() { 1.211 + return dtdHandler; 1.212 + } 1.213 + 1.214 + // SAX allows ContentHandler to be changed during the parsing, 1.215 + // but JAXB doesn't. So this repeater will sit between those 1.216 + // two components. 1.217 + private XMLFilter repeater = new XMLFilterImpl(); 1.218 + 1.219 + public void setContentHandler(ContentHandler handler) { 1.220 + repeater.setContentHandler(handler); 1.221 + } 1.222 + public ContentHandler getContentHandler() { 1.223 + return repeater.getContentHandler(); 1.224 + } 1.225 + 1.226 + private ErrorHandler errorHandler; 1.227 + public void setErrorHandler(ErrorHandler handler) { 1.228 + this.errorHandler = handler; 1.229 + } 1.230 + public ErrorHandler getErrorHandler() { 1.231 + return errorHandler; 1.232 + } 1.233 + 1.234 + public void parse(InputSource input) throws SAXException { 1.235 + parse(); 1.236 + } 1.237 + 1.238 + public void parse(String systemId) throws SAXException { 1.239 + parse(); 1.240 + } 1.241 + 1.242 + public void parse() throws SAXException { 1.243 + // parses a content object by using the given marshaller 1.244 + // SAX events will be sent to the repeater, and the repeater 1.245 + // will further forward it to an appropriate component. 1.246 + try { 1.247 + marshaller.marshal( contentObject, (XMLFilterImpl)repeater ); 1.248 + } catch( JAXBException e ) { 1.249 + // wrap it to a SAXException 1.250 + SAXParseException se = 1.251 + new SAXParseException( e.getMessage(), 1.252 + null, null, -1, -1, e ); 1.253 + 1.254 + // if the consumer sets an error handler, it is our responsibility 1.255 + // to notify it. 1.256 + if(errorHandler!=null) 1.257 + errorHandler.fatalError(se); 1.258 + 1.259 + // this is a fatal error. Even if the error handler 1.260 + // returns, we will abort anyway. 1.261 + throw se; 1.262 + } 1.263 + } 1.264 + }; 1.265 + 1.266 + /** 1.267 + * Hook to throw exception from the middle of a contructor chained call 1.268 + * to this 1.269 + */ 1.270 + private static Marshaller assertionFailed( String message ) 1.271 + throws JAXBException { 1.272 + 1.273 + throw new JAXBException( message ); 1.274 + } 1.275 +}