1 /*
2 * Copyright 2006 Sun Microsystems, Inc. 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. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package com.sun.xml.internal.bind.v2.runtime;
27
28 import java.io.IOException;
29
30 import javax.xml.stream.XMLStreamException;
31
32 import com.sun.istack.internal.FinalArrayList;
33 import com.sun.istack.internal.SAXException2;
34
35 import org.xml.sax.Attributes;
36 import org.xml.sax.SAXException;
37 import org.xml.sax.helpers.DefaultHandler;
38
39 /**
40 * Receives SAX2 events and send the equivalent events to
41 * {@link XMLSerializer}
42 *
43 * @author
44 * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
45 */
46 final class ContentHandlerAdaptor extends DefaultHandler {
47
48 /** Stores newly declared prefix-URI mapping. */
49 private final FinalArrayList prefixMap = new FinalArrayList();
50
51 /** Events will be sent to this object. */
52 private final XMLSerializer serializer;
53
54 private final StringBuffer text = new StringBuffer();
55
56
57 ContentHandlerAdaptor( XMLSerializer _serializer ) {
58 this.serializer = _serializer;
59 }
60
61 public void startDocument() {
62 prefixMap.clear();
63 }
64
65 public void startPrefixMapping(String prefix, String uri) {
66 prefixMap.add(prefix);
67 prefixMap.add(uri);
68 }
69
70 public void startElement(String namespaceURI, String localName, String qName, Attributes atts)
71 throws SAXException {
72 try {
73 flushText();
74
75 int len = atts.getLength();
76
77 serializer.startElement(namespaceURI,localName,getPrefix(qName),null);
78 // declare namespace events
79 for( int i=0; i<len; i++ ) {
80 String qname = atts.getQName(i);
81 if(qname.startsWith("xmlns"))
82 continue;
83 String prefix = getPrefix(qname);
84
85 serializer.getNamespaceContext().declareNamespace(
86 atts.getURI(i), prefix, true );
87 }
88 for( int i=0; i<prefixMap.size(); i+=2 ) {
89 String prefix = (String)prefixMap.get(i);
90 serializer.getNamespaceContext().declareNamespace(
91 (String)prefixMap.get(i+1),
92 prefix,
93 prefix.length()!=0 );
94 }
95
96 serializer.endNamespaceDecls(null);
97 // fire attribute events
98 for( int i=0; i<len; i++ ) {
99 // be defensive.
100 if(atts.getQName(i).startsWith("xmlns"))
101 continue;
102 serializer.attribute( atts.getURI(i), atts.getLocalName(i), atts.getValue(i));
103 }
104 prefixMap.clear();
105 serializer.endAttributes();
106 } catch (IOException e) {
107 throw new SAXException2(e);
108 } catch (XMLStreamException e) {
109 throw new SAXException2(e);
110 }
111 }
112
113 private String getPrefix(String qname) {
114 int idx = qname.indexOf(':');
115 String prefix = (idx==-1)?qname:qname.substring(0,idx);
116 return prefix;
117 }
118
119 public void endElement(String namespaceURI, String localName, String qName) throws SAXException {
120 try {
121 flushText();
122 serializer.endElement();
123 } catch (IOException e) {
124 throw new SAXException2(e);
125 } catch (XMLStreamException e) {
126 throw new SAXException2(e);
127 }
128 }
129
130 private void flushText() throws SAXException, IOException, XMLStreamException {
131 if( text.length()!=0 ) {
132 serializer.text(text.toString(),null);
133 text.setLength(0);
134 }
135 }
136
137 public void characters(char[] ch, int start, int length) {
138 text.append(ch,start,length);
139 }
140 }
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