Mercurial > jdk8-mips64-public > jaxws / file revision
src/share/jaxws_classes/com/sun/xml/internal/ws/message/source/SourceUtils.java@9c07ef4934dd
src/share/jaxws_classes/com/sun/xml/internal/ws/message/source/SourceUtils.java
Thu, 31 Aug 2017 15:18:52 +0800
- author
- aoqi
- date
- Thu, 31 Aug 2017 15:18:52 +0800
- changeset 637
- 9c07ef4934dd
- parent 368
- 0989ad8c0860
- parent 0
- 373ffda63c9a
- permissions
- -rw-r--r--
merge
1 /*
2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
26 package com.sun.xml.internal.ws.message.source;
28 import com.sun.xml.internal.ws.message.RootElementSniffer;
29 import com.sun.xml.internal.ws.streaming.SourceReaderFactory;
30 import com.sun.xml.internal.ws.util.xml.XmlUtil;
31 import org.w3c.dom.Document;
32 import org.w3c.dom.Node;
34 import javax.xml.namespace.QName;
35 import javax.xml.stream.XMLStreamConstants;
36 import javax.xml.stream.XMLStreamException;
37 import javax.xml.stream.XMLStreamReader;
38 import javax.xml.stream.XMLStreamWriter;
39 import javax.xml.transform.Source;
40 import javax.xml.transform.Transformer;
41 import javax.xml.transform.TransformerConfigurationException;
42 import javax.xml.transform.TransformerException;
43 import javax.xml.transform.dom.DOMSource;
44 import javax.xml.transform.sax.SAXResult;
45 import javax.xml.transform.sax.SAXSource;
46 import javax.xml.transform.stream.StreamSource;
47 import javax.xml.ws.WebServiceException;
49 /**
50 *
51 * @author Vivek Pandey
52 */
53 final class SourceUtils {
55 int srcType;
57 private static final int domSource = 1;
58 private static final int streamSource = 2;
59 private static final int saxSource=4;
61 public SourceUtils(Source src) {
62 if(src instanceof StreamSource){
63 srcType = streamSource;
64 }else if(src instanceof DOMSource){
65 srcType = domSource;
66 }else if(src instanceof SAXSource){
67 srcType = saxSource;
68 }
69 }
71 public boolean isDOMSource(){
72 return (srcType&domSource) == domSource;
73 }
75 public boolean isStreamSource(){
76 return (srcType&streamSource) == streamSource;
77 }
79 public boolean isSaxSource(){
80 return (srcType&saxSource) == saxSource;
81 }
83 /**
84 * This would peek into the Source (DOMSource and SAXSource) for the localName and NamespaceURI
85 * of the top-level element.
86 * @param src
87 * @return QName of the payload
88 */
89 public QName sniff(Source src) {
90 return sniff(src, new RootElementSniffer());
91 }
93 public QName sniff(Source src, RootElementSniffer sniffer){
94 String localName = null;
95 String namespaceUri = null;
97 if(isDOMSource()){
98 DOMSource domSrc = (DOMSource)src;
99 Node n = domSrc.getNode();
100 if(n.getNodeType()== Node.DOCUMENT_NODE) {
101 n = ((Document)n).getDocumentElement();
102 }
103 localName = n.getLocalName();
104 namespaceUri = n.getNamespaceURI();
105 }else if(isSaxSource()){
106 SAXSource saxSrc = (SAXSource)src;
107 SAXResult saxResult = new SAXResult(sniffer);
108 try {
109 Transformer tr = XmlUtil.newTransformer();
110 tr.transform(saxSrc, saxResult);
111 } catch (TransformerConfigurationException e) {
112 throw new WebServiceException(e);
113 } catch (TransformerException e) {
114 // if it's due to aborting the processing after the first element,
115 // we can safely ignore this exception.
116 //
117 // if it's due to error in the object, the same error will be reported
118 // when the readHeader() method is used, so we don't have to report
119 // an error right now.
120 localName = sniffer.getLocalName();
121 namespaceUri = sniffer.getNsUri();
122 }
123 }
124 return new QName(namespaceUri, localName);
125 }
127 public static void serializeSource(Source src, XMLStreamWriter writer) throws XMLStreamException {
128 XMLStreamReader reader = SourceReaderFactory.createSourceReader(src, true);
129 int state;
130 do {
131 state = reader.next();
132 switch (state) {
133 case XMLStreamConstants.START_ELEMENT:
134 /*
135 * TODO: Is this necessary, shouldn't zephyr return "" instead of
136 * null for getNamespaceURI() and getPrefix()?
137 */
138 String uri = reader.getNamespaceURI();
139 String prefix = reader.getPrefix();
140 String localName = reader.getLocalName();
142 if (prefix == null) {
143 if (uri == null) {
144 writer.writeStartElement(localName);
145 } else {
146 writer.writeStartElement(uri, localName);
147 }
148 } else {
149 // assert uri != null;
151 if(prefix.length() > 0){
152 /**
153 * Before we write the
154 */
155 String writerURI = null;
156 if (writer.getNamespaceContext() != null) {
157 writerURI = writer.getNamespaceContext().getNamespaceURI(prefix);
158 }
159 String writerPrefix = writer.getPrefix(uri);
160 if(declarePrefix(prefix, uri, writerPrefix, writerURI)){
161 writer.writeStartElement(prefix, localName, uri);
162 writer.setPrefix(prefix, uri != null ? uri : "");
163 writer.writeNamespace(prefix, uri);
164 }else{
165 writer.writeStartElement(prefix, localName, uri);
166 }
167 }else{
168 writer.writeStartElement(prefix, localName, uri);
169 }
170 }
172 int n = reader.getNamespaceCount();
173 // Write namespace declarations
174 for (int i = 0; i < n; i++) {
175 String nsPrefix = reader.getNamespacePrefix(i);
176 if (nsPrefix == null) {
177 nsPrefix = "";
178 }
179 // StAX returns null for default ns
180 String writerURI = null;
181 if (writer.getNamespaceContext() != null) {
182 writerURI = writer.getNamespaceContext().getNamespaceURI(nsPrefix);
183 }
185 // Zephyr: Why is this returning null?
186 // Compare nsPrefix with prefix because of [1] (above)
187 String readerURI = reader.getNamespaceURI(i);
189 /**
190 * write the namespace in 3 conditions
191 * - when the namespace URI is not bound to the prefix in writer(writerURI == 0)
192 * - when the readerPrefix and writerPrefix are ""
193 * - when readerPrefix and writerPrefix are not equal and the URI bound to them
194 * are different
195 */
196 if (writerURI == null || ((nsPrefix.length() == 0) || (prefix.length() == 0)) ||
197 (!nsPrefix.equals(prefix) && !writerURI.equals(readerURI))) {
198 writer.setPrefix(nsPrefix, readerURI != null ? readerURI : "");
199 writer.writeNamespace(nsPrefix, readerURI != null ? readerURI : "");
200 }
201 }
203 // Write attributes
204 n = reader.getAttributeCount();
205 for (int i = 0; i < n; i++) {
206 String attrPrefix = reader.getAttributePrefix(i);
207 String attrURI = reader.getAttributeNamespace(i);
209 writer.writeAttribute(attrPrefix != null ? attrPrefix : "",
210 attrURI != null ? attrURI : "",
211 reader.getAttributeLocalName(i),
212 reader.getAttributeValue(i));
213 // if the attribute prefix is undeclared in current writer scope then declare it
214 setUndeclaredPrefix(attrPrefix, attrURI, writer);
215 }
216 break;
217 case XMLStreamConstants.END_ELEMENT:
218 writer.writeEndElement();
219 break;
220 case XMLStreamConstants.CHARACTERS:
221 writer.writeCharacters(reader.getText());
222 break;
223 default:
224 break;
225 }
226 } while (state != XMLStreamConstants.END_DOCUMENT);
227 reader.close();
228 }
230 /**
231 * sets undeclared prefixes on the writer
232 * @param prefix
233 * @param writer
234 * @throws XMLStreamException
235 */
236 private static void setUndeclaredPrefix(String prefix, String readerURI, XMLStreamWriter writer) throws XMLStreamException {
237 String writerURI = null;
238 if (writer.getNamespaceContext() != null) {
239 writerURI = writer.getNamespaceContext().getNamespaceURI(prefix);
240 }
242 if (writerURI == null) {
243 writer.setPrefix(prefix, readerURI != null ? readerURI : "");
244 writer.writeNamespace(prefix, readerURI != null ? readerURI : "");
245 }
246 }
248 /**
249 * check if we need to declare
250 * @param rPrefix
251 * @param rUri
252 * @param wPrefix
253 * @param wUri
254 */
255 private static boolean declarePrefix(String rPrefix, String rUri, String wPrefix, String wUri){
256 if (wUri == null ||((wPrefix != null) && !rPrefix.equals(wPrefix))||
257 (rUri != null && !wUri.equals(rUri))) {
258 return true;
259 }
260 return false;
261 }
262 }
