Thu, 31 Aug 2017 15:18:52 +0800
merge
1 /*
2 * Copyright (c) 2004, 2013, 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 * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC.
26 */
28 package com.sun.xml.internal.fastinfoset.sax;
30 import com.sun.xml.internal.fastinfoset.EncodingConstants;
31 import com.sun.xml.internal.fastinfoset.QualifiedName;
32 import com.sun.xml.internal.fastinfoset.algorithm.BuiltInEncodingAlgorithmFactory;
33 import java.io.IOException;
34 import java.util.Map;
35 import com.sun.xml.internal.org.jvnet.fastinfoset.EncodingAlgorithm;
36 import com.sun.xml.internal.org.jvnet.fastinfoset.EncodingAlgorithmException;
37 import com.sun.xml.internal.org.jvnet.fastinfoset.EncodingAlgorithmIndexes;
38 import com.sun.xml.internal.org.jvnet.fastinfoset.FastInfosetException;
40 import com.sun.xml.internal.org.jvnet.fastinfoset.sax.EncodingAlgorithmAttributes;
41 import com.sun.xml.internal.fastinfoset.CommonResourceBundle;
43 public class AttributesHolder implements EncodingAlgorithmAttributes {
44 private static final int DEFAULT_CAPACITY = 8;
46 private Map _registeredEncodingAlgorithms;
48 private int _attributeCount;
50 private QualifiedName[] _names;
51 private String[] _values;
53 private String[] _algorithmURIs;
54 private int[] _algorithmIds;
55 private Object[] _algorithmData;
57 public AttributesHolder() {
58 _names = new QualifiedName[DEFAULT_CAPACITY];
59 _values = new String[DEFAULT_CAPACITY];
61 _algorithmURIs = new String[DEFAULT_CAPACITY];
62 _algorithmIds = new int[DEFAULT_CAPACITY];
63 _algorithmData = new Object[DEFAULT_CAPACITY];
64 }
66 public AttributesHolder(Map registeredEncodingAlgorithms) {
67 this();
68 _registeredEncodingAlgorithms = registeredEncodingAlgorithms;
69 }
71 // org.xml.sax.Attributes
73 public final int getLength() {
74 return _attributeCount;
75 }
77 public final String getLocalName(int index) {
78 return _names[index].localName;
79 }
81 public final String getQName(int index) {
82 return _names[index].getQNameString();
83 }
85 public final String getType(int index) {
86 return "CDATA";
87 }
89 public final String getURI(int index) {
90 return _names[index].namespaceName;
91 }
93 public final String getValue(int index) {
94 final String value = _values[index];
95 if (value != null) {
96 return value;
97 }
99 if (_algorithmData[index] == null ||
100 (_algorithmIds[index] >= EncodingConstants.ENCODING_ALGORITHM_APPLICATION_START &&
101 _registeredEncodingAlgorithms == null)) {
102 return null;
103 }
105 try {
106 return _values[index] = convertEncodingAlgorithmDataToString(
107 _algorithmIds[index],
108 _algorithmURIs[index],
109 _algorithmData[index]).toString();
110 } catch (IOException e) {
111 return null;
112 } catch (FastInfosetException e) {
113 return null;
114 }
115 }
117 public final int getIndex(String qName) {
118 int i = qName.indexOf(':');
119 String prefix = "";
120 String localName = qName;
121 if (i >= 0) {
122 prefix = qName.substring(0, i);
123 localName = qName.substring(i + 1);
124 }
126 for (i = 0; i < _attributeCount; i++) {
127 QualifiedName name = _names[i];
128 if (localName.equals(name.localName) &&
129 prefix.equals(name.prefix)) {
130 return i;
131 }
132 }
133 return -1;
134 }
136 public final String getType(String qName) {
137 int index = getIndex(qName);
138 if (index >= 0) {
139 return "CDATA";
140 } else {
141 return null;
142 }
143 }
145 public final String getValue(String qName) {
146 int index = getIndex(qName);
147 if (index >= 0) {
148 return _values[index];
149 } else {
150 return null;
151 }
152 }
154 public final int getIndex(String uri, String localName) {
155 for (int i = 0; i < _attributeCount; i++) {
156 QualifiedName name = _names[i];
157 if (localName.equals(name.localName) &&
158 uri.equals(name.namespaceName)) {
159 return i;
160 }
161 }
162 return -1;
163 }
165 public final String getType(String uri, String localName) {
166 int index = getIndex(uri, localName);
167 if (index >= 0) {
168 return "CDATA";
169 } else {
170 return null;
171 }
172 }
174 public final String getValue(String uri, String localName) {
175 int index = getIndex(uri, localName);
176 if (index >= 0) {
177 return _values[index];
178 } else {
179 return null;
180 }
181 }
183 public final void clear() {
184 for (int i = 0; i < _attributeCount; i++) {
185 _values[i] = null;
186 _algorithmData[i] = null;
187 }
188 _attributeCount = 0;
189 }
191 // EncodingAlgorithmAttributes
193 public final String getAlgorithmURI(int index) {
194 return _algorithmURIs[index];
195 }
197 public final int getAlgorithmIndex(int index) {
198 return _algorithmIds[index];
199 }
201 public final Object getAlgorithmData(int index) {
202 return _algorithmData[index];
203 }
205 public String getAlpababet(int index) {
206 return null;
207 }
209 public boolean getToIndex(int index) {
210 return false;
211 }
213 // -----
215 public final void addAttribute(QualifiedName name, String value) {
216 if (_attributeCount == _names.length) {
217 resize();
218 }
219 _names[_attributeCount] = name;
220 _values[_attributeCount++] = value;
221 }
223 public final void addAttributeWithAlgorithmData(QualifiedName name, String URI, int id, Object data) {
224 if (_attributeCount == _names.length) {
225 resize();
226 }
227 _names[_attributeCount] = name;
228 _values[_attributeCount] = null;
230 _algorithmURIs[_attributeCount] = URI;
231 _algorithmIds[_attributeCount] = id;
232 _algorithmData[_attributeCount++] = data;
233 }
235 public final QualifiedName getQualifiedName(int index) {
236 return _names[index];
237 }
239 public final String getPrefix(int index) {
240 return _names[index].prefix;
241 }
243 private final void resize() {
244 final int newLength = _attributeCount * 3 / 2 + 1;
246 QualifiedName[] names = new QualifiedName[newLength];
247 String[] values = new String[newLength];
249 String[] algorithmURIs = new String[newLength];
250 int[] algorithmIds = new int[newLength];
251 Object[] algorithmData = new Object[newLength];
253 System.arraycopy(_names, 0, names, 0, _attributeCount);
254 System.arraycopy(_values, 0, values, 0, _attributeCount);
256 System.arraycopy(_algorithmURIs, 0, algorithmURIs, 0, _attributeCount);
257 System.arraycopy(_algorithmIds, 0, algorithmIds, 0, _attributeCount);
258 System.arraycopy(_algorithmData, 0, algorithmData, 0, _attributeCount);
260 _names = names;
261 _values = values;
263 _algorithmURIs = algorithmURIs;
264 _algorithmIds = algorithmIds;
265 _algorithmData = algorithmData;
266 }
268 private final StringBuffer convertEncodingAlgorithmDataToString(int identifier, String URI, Object data) throws FastInfosetException, IOException {
269 EncodingAlgorithm ea = null;
270 if (identifier < EncodingConstants.ENCODING_ALGORITHM_BUILTIN_END) {
271 ea = BuiltInEncodingAlgorithmFactory.getAlgorithm(identifier);
272 } else if (identifier == EncodingAlgorithmIndexes.CDATA) {
273 throw new EncodingAlgorithmException(CommonResourceBundle.getInstance().getString("message.CDATAAlgorithmNotSupported"));
274 } else if (identifier >= EncodingConstants.ENCODING_ALGORITHM_APPLICATION_START) {
275 if (URI == null) {
276 throw new EncodingAlgorithmException(CommonResourceBundle.getInstance().getString("message.URINotPresent") + identifier);
277 }
279 ea = (EncodingAlgorithm)_registeredEncodingAlgorithms.get(URI);
280 if (ea == null) {
281 throw new EncodingAlgorithmException(CommonResourceBundle.getInstance().getString("message.algorithmNotRegistered") + URI);
282 }
283 } else {
284 // Reserved built-in algorithms for future use
285 // TODO should use sax property to decide if event will be
286 // reported, allows for support through handler if required.
287 throw new EncodingAlgorithmException(CommonResourceBundle.getInstance().getString("message.identifiers10to31Reserved"));
288 }
290 final StringBuffer sb = new StringBuffer();
291 ea.convertToCharacters(data, sb);
292 return sb;
293 }
295 }