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

comparison: src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/SAXConnector.java

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/SAXConnector.java

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284:88b85470e72c 286:f50545b5e2f1
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.unmarshaller;
27
28 import javax.xml.bind.JAXBException;
29 import javax.xml.bind.UnmarshallerHandler;
30
31 import com.sun.xml.internal.bind.WhiteSpaceProcessor;
32 import com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl;
33
34 import org.xml.sax.Attributes;
35 import org.xml.sax.Locator;
36 import org.xml.sax.SAXException;
37
38 /**
39 * Receives SAX events and convert them to our internal events.
40 *
41 * @author Kohsuke Kawaguchi
42 */
43 public final class SAXConnector implements UnmarshallerHandler {
44
45 private LocatorEx loc;
46
47 /**
48 * SAX may fire consecutive characters event, but we don't allow it.
49 * so use this buffer to perform buffering.
50 */
51 private final StringBuilder buffer = new StringBuilder();
52
53 private final XmlVisitor next;
54 private final UnmarshallingContext context;
55 private final XmlVisitor.TextPredictor predictor;
56
57 private static final class TagNameImpl extends TagName {
58 String qname;
59 public String getQname() {
60 return qname;
61 }
62 }
63
64 private final TagNameImpl tagName = new TagNameImpl();
65
66 /**
67 * @param externalLocator
68 * If the caller is producing SAX events from sources other than Unicode and angle brackets,
69 * the caller can override the default SAX {@link Locator} object by this object
70 * to provide better location information.
71 */
72 public SAXConnector(XmlVisitor next, LocatorEx externalLocator ) {
73 this.next = next;
74 this.context = next.getContext();
75 this.predictor = next.getPredictor();
76 this.loc = externalLocator;
77 }
78
79 public Object getResult() throws JAXBException, IllegalStateException {
80 return context.getResult();
81 }
82
83 public UnmarshallingContext getContext() {
84 return context;
85 }
86
87 public void setDocumentLocator(final Locator locator) {
88 if(loc!=null)
89 return; // we already have an external locator. ignore.
90
91 this.loc = new LocatorExWrapper(locator);
92 }
93
94 public void startDocument() throws SAXException {
95 next.startDocument(loc,null);
96 }
97
98 public void endDocument() throws SAXException {
99 next.endDocument();
100 }
101
102 public void startPrefixMapping(String prefix, String uri) throws SAXException {
103 next.startPrefixMapping(prefix,uri);
104 }
105
106 public void endPrefixMapping(String prefix) throws SAXException {
107 next.endPrefixMapping(prefix);
108 }
109
110 public void startElement(String uri, String local, String qname, Attributes atts) throws SAXException {
111 // work gracefully with misconfigured parsers that don't support namespaces
112 if( uri==null || uri.length()==0 )
113 uri="";
114 if( local==null || local.length()==0 )
115 local=qname;
116 if( qname==null || qname.length()==0 )
117 qname=local;
118
119
120 boolean ignorable = true;
121 StructureLoader sl;
122
123 // not null only if element content is processed (StructureLoader is used)
124 // ugly
125 if((sl = this.context.getStructureLoader()) != null) {
126 ignorable = ((ClassBeanInfoImpl)sl.getBeanInfo()).hasElementOnlyContentModel();
127 }
128
129 processText(ignorable);
130
131 tagName.uri = uri;
132 tagName.local = local;
133 tagName.qname = qname;
134 tagName.atts = atts;
135 next.startElement(tagName);
136 }
137
138 public void endElement(String uri, String localName, String qName) throws SAXException {
139 processText(false);
140 tagName.uri = uri;
141 tagName.local = localName;
142 tagName.qname = qName;
143 next.endElement(tagName);
144 }
145
146
147 public final void characters( char[] buf, int start, int len ) {
148 if( predictor.expectText() )
149 buffer.append(buf,start,len);
150 }
151
152 public final void ignorableWhitespace( char[] buf, int start, int len ) {
153 characters(buf,start,len);
154 }
155
156 public void processingInstruction(String target, String data) {
157 // nop
158 }
159
160 public void skippedEntity(String name) {
161 // nop
162 }
163
164 private void processText( boolean ignorable ) throws SAXException {
165 if( predictor.expectText() && (!ignorable || !WhiteSpaceProcessor.isWhiteSpace(buffer)))
166 next.text(buffer);
167 buffer.setLength(0);
168 }
169
170 }

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