src/share/jaxws_classes/com/sun/xml/internal/ws/api/addressing/EPRHeader.java

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1 /*
2 * Copyright (c) 1997, 2013, 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 */
25
26 package com.sun.xml.internal.ws.api.addressing;
27
28 import java.io.ByteArrayInputStream;
29 import java.io.ByteArrayOutputStream;
30 import java.io.Writer;
31
32 import com.sun.istack.internal.NotNull;
33 import com.sun.istack.internal.Nullable;
34 import com.sun.xml.internal.ws.message.AbstractHeaderImpl;
35 import com.sun.xml.internal.ws.util.xml.XmlUtil;
36
37 import org.w3c.dom.Document;
38 import org.w3c.dom.Node;
39 import org.xml.sax.ContentHandler;
40 import org.xml.sax.ErrorHandler;
41 import org.xml.sax.SAXException;
42
43 import javax.xml.namespace.QName;
44 import javax.xml.parsers.DocumentBuilderFactory;
45 import javax.xml.soap.SOAPException;
46 import javax.xml.soap.SOAPMessage;
47 import javax.xml.soap.SOAPHeader;
48 import javax.xml.stream.XMLOutputFactory;
49 import javax.xml.stream.XMLStreamConstants;
50 import javax.xml.stream.XMLStreamException;
51 import javax.xml.stream.XMLStreamReader;
52 import javax.xml.stream.XMLStreamWriter;
53 import javax.xml.transform.Transformer;
54 import javax.xml.transform.dom.DOMResult;
55
56 /**
57 * Used to represent outbound endpoint reference header,
58 * such as <ReplyTo> and <FaultTo>.
59 * Used from {@link WSEndpointReference}.
60 *
61 * @author Kohsuke Kawaguchi
62 * @see WSEndpointReference
63 */
64 final class EPRHeader extends AbstractHeaderImpl {
65
66 private final String nsUri,localName;
67 private final WSEndpointReference epr;
68
69 EPRHeader(QName tagName, WSEndpointReference epr) {
70 this.nsUri = tagName.getNamespaceURI();
71 this.localName = tagName.getLocalPart();
72 this.epr = epr;
73 }
74
75 public @NotNull String getNamespaceURI() {
76 return nsUri;
77 }
78
79 public @NotNull String getLocalPart() {
80 return localName;
81 }
82
83 @Nullable
84 public String getAttribute(@NotNull String nsUri, @NotNull String localName) {
85 try {
86 XMLStreamReader sr = epr.read("EndpointReference"/*doesn't matter*/);
87 while(sr.getEventType()!= XMLStreamConstants.START_ELEMENT)
88 sr.next();
89
90 return sr.getAttributeValue(nsUri,localName);
91 } catch (XMLStreamException e) {
92 // since we are reading from buffer, this can't happen.
93 throw new AssertionError(e);
94 }
95 }
96
97 public XMLStreamReader readHeader() throws XMLStreamException {
98 return epr.read(localName);
99 }
100
101 public void writeTo(XMLStreamWriter w) throws XMLStreamException {
102 epr.writeTo(localName, w);
103 }
104
105 public void writeTo(SOAPMessage saaj) throws SOAPException {
106 try {
107 // TODO what about in-scope namespaces
108 // Not very efficient consider implementing a stream buffer
109 // processor that produces a DOM node from the buffer.
110 Transformer t = XmlUtil.newTransformer();
111 SOAPHeader header = saaj.getSOAPHeader();
112 if (header == null)
113 header = saaj.getSOAPPart().getEnvelope().addHeader();
114 // TODO workaround for oracle xdk bug 16555545, when this bug is fixed the line below can be
115 // uncommented and all lines below, except the catch block, can be removed.
116 // t.transform(epr.asSource(localName), new DOMResult(header));
117 ByteArrayOutputStream baos = new ByteArrayOutputStream();
118 XMLStreamWriter w = XMLOutputFactory.newFactory().createXMLStreamWriter(baos);
119 epr.writeTo(localName, w);
120 w.flush();
121 ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
122 DocumentBuilderFactory fac = DocumentBuilderFactory.newInstance();
123 fac.setNamespaceAware(true);
124 Node eprNode = fac.newDocumentBuilder().parse(bais).getDocumentElement();
125 Node eprNodeToAdd = header.getOwnerDocument().importNode(eprNode, true);
126 header.appendChild(eprNodeToAdd);
127 } catch (Exception e) {
128 throw new SOAPException(e);
129 }
130 }
131
132 public void writeTo(ContentHandler contentHandler, ErrorHandler errorHandler) throws SAXException {
133 epr.writeTo(localName,contentHandler,errorHandler,true);
134 }
135 }

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