Mercurial > jdk8-mips64-public > jaxws / file comparison

comparison: src/share/jaxws_classes/com/sun/xml/internal/ws/streaming/XMLStreamWriterUtil.java

src/share/jaxws_classes/com/sun/xml/internal/ws/streaming/XMLStreamWriterUtil.java

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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 */
25
26 package com.sun.xml.internal.ws.streaming;
27
28 import com.sun.istack.internal.Nullable;
29 import com.sun.xml.internal.ws.encoding.HasEncoding;
30 import com.sun.xml.internal.ws.encoding.SOAPBindingCodec;
31
32 import javax.xml.namespace.QName;
33 import javax.xml.stream.XMLStreamWriter;
34 import javax.xml.stream.XMLStreamException;
35 import java.util.Map;
36 import java.io.OutputStream;
37
38 /**
39 * <p>XMLStreamWriterUtil provides some utility methods intended to be used
40 * in conjunction with a StAX XMLStreamWriter. </p>
41 *
42 * @author Santiago.PericasGeertsen@sun.com
43 */
44 public class XMLStreamWriterUtil {
45
46 private XMLStreamWriterUtil() {
47 }
48
49 /**
50 * Gives the underlying stream for XMLStreamWriter. It closes any start elements, and returns the stream so
51 * that JAXB can write infoset directly to the stream.
52 *
53 * @param writer XMLStreamWriter for which stream is required
54 * @return underlying OutputStream, null if writer doesn't provide a way to get it
55 * @throws XMLStreamException if any of writer operations throw the exception
56 */
57 public static @Nullable OutputStream getOutputStream(XMLStreamWriter writer) throws XMLStreamException {
58 Object obj = null;
59
60 // Hack for JDK6's SJSXP
61 if (writer instanceof Map) {
62 obj = ((Map) writer).get("sjsxp-outputstream");
63 }
64
65 // woodstox
66 if (obj == null) {
67 try {
68 obj = writer.getProperty("com.ctc.wstx.outputUnderlyingStream");
69 } catch(Exception ie) {
70 // Catch all exceptions. SJSXP in JDK throws NPE
71 // nothing to do here
72 }
73 }
74
75 // SJSXP
76 if (obj == null) {
77 try {
78 obj = writer.getProperty("http://java.sun.com/xml/stream/properties/outputstream");
79 } catch(Exception ie) {
80 // Catch all exceptions. SJSXP in JDK throws NPE
81 // nothing to do here
82 }
83 }
84
85
86 if (obj != null) {
87 writer.writeCharacters(""); // Force completion of open elems
88 writer.flush();
89 return (OutputStream)obj;
90 }
91 return null;
92 }
93
94 /**
95 * Gives the encoding with which XMLStreamWriter is created.
96 *
97 * @param writer XMLStreamWriter for which encoding is required
98 * @return null if cannot be found, else the encoding
99 */
100 public static @Nullable String getEncoding(XMLStreamWriter writer) {
101 /*
102 * TODO Add reflection logic to handle woodstox writer
103 * as it implements XMLStreamWriter2#getEncoding()
104 * It's not that important since woodstox writer is typically wrapped
105 * in a writer with HasEncoding
106 */
107 return (writer instanceof HasEncoding)
108 ? ((HasEncoding)writer).getEncoding()
109 : null;
110 }
111
112 public static String encodeQName(XMLStreamWriter writer, QName qname,
113 PrefixFactory prefixFactory)
114 {
115 // NOTE: Here it is assumed that we do not serialize using default
116 // namespace declarations and therefore that writer.getPrefix will
117 // never return ""
118
119 try {
120 String namespaceURI = qname.getNamespaceURI();
121 String localPart = qname.getLocalPart();
122
123 if (namespaceURI == null || namespaceURI.equals("")) {
124 return localPart;
125 }
126 else {
127 String prefix = writer.getPrefix(namespaceURI);
128 if (prefix == null) {
129 prefix = prefixFactory.getPrefix(namespaceURI);
130 writer.writeNamespace(prefix, namespaceURI);
131 }
132 return prefix + ":" + localPart;
133 }
134 }
135 catch (XMLStreamException e) {
136 throw new RuntimeException(e);
137 }
138 }
139 }

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