src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/output/SAXOutput.java

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1 /*
2 * Copyright (c) 1997, 2011, 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.bind.v2.runtime.output;
27
28 import java.io.IOException;
29
30 import javax.xml.stream.XMLStreamException;
31
32 import com.sun.xml.internal.bind.util.AttributesImpl;
33 import com.sun.xml.internal.bind.v2.runtime.XMLSerializer;
34
35 import org.xml.sax.ContentHandler;
36 import org.xml.sax.SAXException;
37 import org.xml.sax.helpers.LocatorImpl;
38
39 /**
40 * {@link XmlOutput} implementation that writes to SAX {@link ContentHandler}.
41 *
42 * @author Kohsuke Kawaguchi
43 */
44 public class SAXOutput extends XmlOutputAbstractImpl {
45 protected final ContentHandler out;
46
47 public SAXOutput(ContentHandler out) {
48 this.out = out;
49 out.setDocumentLocator(new LocatorImpl());
50 }
51
52 private String elementNsUri,elementLocalName,elementQName;
53
54 private char[] buf = new char[256];
55
56 private final AttributesImpl atts = new AttributesImpl();
57
58
59 // not called if we are generating fragments
60 @Override
61 public void startDocument(XMLSerializer serializer, boolean fragment, int[] nsUriIndex2prefixIndex, NamespaceContextImpl nsContext) throws SAXException, IOException, XMLStreamException {
62 super.startDocument(serializer, fragment,nsUriIndex2prefixIndex,nsContext);
63 if(!fragment)
64 out.startDocument();
65 }
66
67 public void endDocument(boolean fragment) throws SAXException, IOException, XMLStreamException {
68 if(!fragment)
69 out.endDocument();
70 super.endDocument(fragment);
71 }
72
73 public void beginStartTag(int prefix, String localName) {
74 elementNsUri = nsContext.getNamespaceURI(prefix);
75 elementLocalName = localName;
76 elementQName = getQName(prefix,localName);
77 atts.clear();
78 }
79
80 public void attribute(int prefix, String localName, String value) {
81 String qname;
82 String nsUri;
83 if(prefix==-1) {
84 nsUri = "";
85 qname = localName;
86 } else {
87 nsUri = nsContext.getNamespaceURI(prefix);
88 String p = nsContext.getPrefix(prefix);
89 if(p.length()==0)
90 // this is more likely a bug in the application code (NamespacePrefixMapper implementation)
91 // this only happens when it tries to assign "" prefix to a non-"" URI,
92 // which is by itself violation of namespace rec. But let's just be safe.
93 // See http://forums.java.net/jive/thread.jspa?messageID=212598#212598
94 qname = localName;
95 else
96 qname = p +':'+localName;
97 }
98 atts.addAttribute( nsUri, localName, qname, "CDATA", value );
99 }
100
101 public void endStartTag() throws SAXException {
102 NamespaceContextImpl.Element ns = nsContext.getCurrent();
103 if(ns!=null) {
104 int sz = ns.count();
105 for( int i=0; i<sz; i++ ) {
106 String p = ns.getPrefix(i);
107 String uri = ns.getNsUri(i);
108 if(uri.length()==0 && ns.getBase()==1)
109 continue; // no point in defining xmlns='' on the root
110 out.startPrefixMapping(p,uri);
111 }
112 }
113 out.startElement(elementNsUri,elementLocalName,elementQName,atts);
114 }
115
116 public void endTag(int prefix, String localName) throws SAXException {
117 out.endElement(
118 nsContext.getNamespaceURI(prefix),
119 localName,
120 getQName(prefix, localName)
121 );
122
123 NamespaceContextImpl.Element ns = nsContext.getCurrent();
124 if(ns!=null) {
125 int sz = ns.count();
126 for( int i=sz-1; i>=0; i-- ) {
127 String p = ns.getPrefix(i);
128 String uri = ns.getNsUri(i);
129 if(uri.length()==0 && ns.getBase()==1)
130 continue; // no point in definint xmlns='' on the root
131 out.endPrefixMapping(p);
132 }
133 }
134 }
135
136 private String getQName(int prefix, String localName) {
137 String qname;
138 String p = nsContext.getPrefix(prefix);
139 if(p.length()==0)
140 qname = localName;
141 else
142 qname = p+':'+localName;
143 return qname;
144 }
145
146 public void text(String value, boolean needsSP) throws IOException, SAXException, XMLStreamException {
147 int vlen = value.length();
148 if(buf.length<=vlen) {
149 buf = new char[Math.max(buf.length*2,vlen+1)];
150 }
151 if(needsSP) {
152 value.getChars(0,vlen,buf,1);
153 buf[0] = ' ';
154 } else {
155 value.getChars(0,vlen,buf,0);
156 }
157 out.characters(buf,0,vlen+(needsSP?1:0));
158 }
159
160 public void text(Pcdata value, boolean needsSP) throws IOException, SAXException, XMLStreamException {
161 int vlen = value.length();
162 if(buf.length<=vlen) {
163 buf = new char[Math.max(buf.length*2,vlen+1)];
164 }
165 if(needsSP) {
166 value.writeTo(buf,1);
167 buf[0] = ' ';
168 } else {
169 value.writeTo(buf,0);
170 }
171 out.characters(buf,0,vlen+(needsSP?1:0));
172 }
173 }

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