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

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

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/InterningXmlVisitor.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.unmarshaller;
27
28 import javax.xml.namespace.NamespaceContext;
29
30 import org.xml.sax.Attributes;
31 import org.xml.sax.SAXException;
32
33 /**
34 * {@link XmlVisitor} decorator that interns all string tokens.
35 *
36 * @author Kohsuke Kawaguchi
37 */
38 public final class InterningXmlVisitor implements XmlVisitor {
39 private final XmlVisitor next;
40
41 private final AttributesImpl attributes = new AttributesImpl();
42
43 public InterningXmlVisitor(XmlVisitor next) {
44 this.next = next;
45 }
46
47 public void startDocument(LocatorEx locator, NamespaceContext nsContext) throws SAXException {
48 next.startDocument(locator,nsContext);
49 }
50
51 public void endDocument() throws SAXException {
52 next.endDocument();
53 }
54
55 public void startElement(TagName tagName ) throws SAXException {
56 attributes.setAttributes(tagName.atts);
57 tagName.atts = attributes;
58 tagName.uri = intern(tagName.uri);
59 tagName.local = intern(tagName.local);
60 next.startElement(tagName);
61 }
62
63 public void endElement(TagName tagName ) throws SAXException {
64 tagName.uri = intern(tagName.uri);
65 tagName.local = intern(tagName.local);
66 next.endElement(tagName);
67 }
68
69 public void startPrefixMapping( String prefix, String nsUri ) throws SAXException {
70 next.startPrefixMapping(intern(prefix),intern(nsUri));
71 }
72
73 public void endPrefixMapping( String prefix ) throws SAXException {
74 next.endPrefixMapping(intern(prefix));
75 }
76
77 public void text( CharSequence pcdata ) throws SAXException {
78 next.text(pcdata);
79 }
80
81 public UnmarshallingContext getContext() {
82 return next.getContext();
83 }
84
85 public TextPredictor getPredictor() {
86 return next.getPredictor();
87 }
88
89 private static class AttributesImpl implements Attributes {
90 private Attributes core;
91
92 void setAttributes(Attributes att) {
93 this.core = att;
94 }
95
96 public int getIndex(String qName) {
97 return core.getIndex(qName);
98 }
99
100 public int getIndex(String uri, String localName) {
101 return core.getIndex(uri, localName);
102 }
103
104 public int getLength() {
105 return core.getLength();
106 }
107
108 public String getLocalName(int index) {
109 return intern(core.getLocalName(index));
110 }
111
112 public String getQName(int index) {
113 return intern(core.getQName(index));
114 }
115
116 public String getType(int index) {
117 return intern(core.getType(index));
118 }
119
120 public String getType(String qName) {
121 return intern(core.getType(qName));
122 }
123
124 public String getType(String uri, String localName) {
125 return intern(core.getType(uri, localName));
126 }
127
128 public String getURI(int index) {
129 return intern(core.getURI(index));
130 }
131
132 //
133 // since values may vary a lot,
134 // we don't (probably shouldn't) intern values.
135 //
136
137 public String getValue(int index) {
138 return core.getValue(index);
139 }
140
141 public String getValue(String qName) {
142 return core.getValue(qName);
143 }
144
145 public String getValue(String uri, String localName) {
146 return core.getValue(uri, localName);
147 }
148 }
149
150 private static String intern(String s) {
151 if(s==null) return null;
152 else return s.intern();
153 }
154 }

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