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

comparison: src/share/jaxws_classes/com/sun/xml/internal/stream/buffer/AbstractProcessor.java

src/share/jaxws_classes/com/sun/xml/internal/stream/buffer/AbstractProcessor.java

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1 /*
2 * Copyright (c) 2005, 2012, 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.stream.buffer;
27
28 /**
29 * Base class for classes that processes {@link XMLStreamBuffer}
30 * and produces infoset in API-specific form.
31 */
32 public abstract class AbstractProcessor extends AbstractCreatorProcessor {
33 protected static final int STATE_ILLEGAL = 0;
34
35 protected static final int STATE_DOCUMENT = 1;
36 protected static final int STATE_DOCUMENT_FRAGMENT = 2;
37 protected static final int STATE_ELEMENT_U_LN_QN = 3;
38 protected static final int STATE_ELEMENT_P_U_LN = 4;
39 protected static final int STATE_ELEMENT_U_LN = 5;
40 protected static final int STATE_ELEMENT_LN = 6;
41 protected static final int STATE_TEXT_AS_CHAR_ARRAY_SMALL = 7;
42 protected static final int STATE_TEXT_AS_CHAR_ARRAY_MEDIUM = 8;
43 protected static final int STATE_TEXT_AS_CHAR_ARRAY_COPY = 9;
44 protected static final int STATE_TEXT_AS_STRING = 10;
45 protected static final int STATE_TEXT_AS_OBJECT = 11;
46 protected static final int STATE_COMMENT_AS_CHAR_ARRAY_SMALL = 12;
47 protected static final int STATE_COMMENT_AS_CHAR_ARRAY_MEDIUM = 13;
48 protected static final int STATE_COMMENT_AS_CHAR_ARRAY_COPY = 14;
49 protected static final int STATE_COMMENT_AS_STRING = 15;
50 protected static final int STATE_PROCESSING_INSTRUCTION = 16;
51 protected static final int STATE_END = 17;
52 private static final int[] _eiiStateTable = new int[256];
53
54 protected static final int STATE_NAMESPACE_ATTRIBUTE = 1;
55 protected static final int STATE_NAMESPACE_ATTRIBUTE_P = 2;
56 protected static final int STATE_NAMESPACE_ATTRIBUTE_P_U = 3;
57 protected static final int STATE_NAMESPACE_ATTRIBUTE_U = 4;
58 private static final int[] _niiStateTable = new int[256];
59
60 protected static final int STATE_ATTRIBUTE_U_LN_QN = 1;
61 protected static final int STATE_ATTRIBUTE_P_U_LN = 2;
62 protected static final int STATE_ATTRIBUTE_U_LN = 3;
63 protected static final int STATE_ATTRIBUTE_LN = 4;
64 protected static final int STATE_ATTRIBUTE_U_LN_QN_OBJECT = 5;
65 protected static final int STATE_ATTRIBUTE_P_U_LN_OBJECT = 6;
66 protected static final int STATE_ATTRIBUTE_U_LN_OBJECT = 7;
67 protected static final int STATE_ATTRIBUTE_LN_OBJECT = 8;
68 private static final int[] _aiiStateTable = new int[256];
69
70 static {
71 /*
72 * Create a state table from information items and options.
73 * The swtich statement using such states will often generate a more
74 * efficient byte code representation that can be hotspotted using
75 * jump tables.
76 */
77 _eiiStateTable[T_DOCUMENT] = STATE_DOCUMENT;
78 _eiiStateTable[T_DOCUMENT_FRAGMENT] = STATE_DOCUMENT_FRAGMENT;
79 _eiiStateTable[T_ELEMENT_U_LN_QN] = STATE_ELEMENT_U_LN_QN;
80 _eiiStateTable[T_ELEMENT_P_U_LN] = STATE_ELEMENT_P_U_LN;
81 _eiiStateTable[T_ELEMENT_U_LN] = STATE_ELEMENT_U_LN;
82 _eiiStateTable[T_ELEMENT_LN] = STATE_ELEMENT_LN;
83 _eiiStateTable[T_TEXT_AS_CHAR_ARRAY_SMALL] = STATE_TEXT_AS_CHAR_ARRAY_SMALL;
84 _eiiStateTable[T_TEXT_AS_CHAR_ARRAY_MEDIUM] = STATE_TEXT_AS_CHAR_ARRAY_MEDIUM;
85 _eiiStateTable[T_TEXT_AS_CHAR_ARRAY_COPY] = STATE_TEXT_AS_CHAR_ARRAY_COPY;
86 _eiiStateTable[T_TEXT_AS_STRING] = STATE_TEXT_AS_STRING;
87 _eiiStateTable[T_TEXT_AS_OBJECT] = STATE_TEXT_AS_OBJECT;
88 _eiiStateTable[T_COMMENT_AS_CHAR_ARRAY_SMALL] = STATE_COMMENT_AS_CHAR_ARRAY_SMALL;
89 _eiiStateTable[T_COMMENT_AS_CHAR_ARRAY_MEDIUM] = STATE_COMMENT_AS_CHAR_ARRAY_MEDIUM;
90 _eiiStateTable[T_COMMENT_AS_CHAR_ARRAY_COPY] = STATE_COMMENT_AS_CHAR_ARRAY_COPY;
91 _eiiStateTable[T_COMMENT_AS_STRING] = STATE_COMMENT_AS_STRING;
92 _eiiStateTable[T_PROCESSING_INSTRUCTION] = STATE_PROCESSING_INSTRUCTION;
93 _eiiStateTable[T_END] = STATE_END;
94
95 _niiStateTable[T_NAMESPACE_ATTRIBUTE] = STATE_NAMESPACE_ATTRIBUTE;
96 _niiStateTable[T_NAMESPACE_ATTRIBUTE_P] = STATE_NAMESPACE_ATTRIBUTE_P;
97 _niiStateTable[T_NAMESPACE_ATTRIBUTE_P_U] = STATE_NAMESPACE_ATTRIBUTE_P_U;
98 _niiStateTable[T_NAMESPACE_ATTRIBUTE_U] = STATE_NAMESPACE_ATTRIBUTE_U;
99
100 _aiiStateTable[T_ATTRIBUTE_U_LN_QN] = STATE_ATTRIBUTE_U_LN_QN;
101 _aiiStateTable[T_ATTRIBUTE_P_U_LN] = STATE_ATTRIBUTE_P_U_LN;
102 _aiiStateTable[T_ATTRIBUTE_U_LN] = STATE_ATTRIBUTE_U_LN;
103 _aiiStateTable[T_ATTRIBUTE_LN] = STATE_ATTRIBUTE_LN;
104 _aiiStateTable[T_ATTRIBUTE_U_LN_QN_OBJECT] = STATE_ATTRIBUTE_U_LN_QN_OBJECT;
105 _aiiStateTable[T_ATTRIBUTE_P_U_LN_OBJECT] = STATE_ATTRIBUTE_P_U_LN_OBJECT;
106 _aiiStateTable[T_ATTRIBUTE_U_LN_OBJECT] = STATE_ATTRIBUTE_U_LN_OBJECT;
107 _aiiStateTable[T_ATTRIBUTE_LN_OBJECT] = STATE_ATTRIBUTE_LN_OBJECT;
108 }
109
110 protected XMLStreamBuffer _buffer;
111
112 /**
113 * True if this processor should create a fragment of XML, without the start/end document markers.
114 */
115 protected boolean _fragmentMode;
116
117 protected boolean _stringInterningFeature = false;
118
119 /**
120 * Number of remaining XML element trees that should be visible
121 * through this {@link AbstractProcessor}.
122 */
123 protected int _treeCount;
124
125 /**
126 * @deprecated
127 * Use {@link #setBuffer(XMLStreamBuffer, boolean)}
128 */
129 protected final void setBuffer(XMLStreamBuffer buffer) {
130 setBuffer(buffer,buffer.isFragment());
131 }
132 protected final void setBuffer(XMLStreamBuffer buffer, boolean fragmentMode) {
133 _buffer = buffer;
134 _fragmentMode = fragmentMode;
135
136 _currentStructureFragment = _buffer.getStructure();
137 _structure = _currentStructureFragment.getArray();
138 _structurePtr = _buffer.getStructurePtr();
139
140 _currentStructureStringFragment = _buffer.getStructureStrings();
141 _structureStrings = _currentStructureStringFragment.getArray();
142 _structureStringsPtr = _buffer.getStructureStringsPtr();
143
144 _currentContentCharactersBufferFragment = _buffer.getContentCharactersBuffer();
145 _contentCharactersBuffer = _currentContentCharactersBufferFragment.getArray();
146 _contentCharactersBufferPtr = _buffer.getContentCharactersBufferPtr();
147
148 _currentContentObjectFragment = _buffer.getContentObjects();
149 _contentObjects = _currentContentObjectFragment.getArray();
150 _contentObjectsPtr = _buffer.getContentObjectsPtr();
151
152 _stringInterningFeature = _buffer.hasInternedStrings();
153 _treeCount = _buffer.treeCount;
154 }
155
156 protected final int peekStructure() {
157 if (_structurePtr < _structure.length) {
158 return _structure[_structurePtr] & 255;
159 }
160
161 return readFromNextStructure(0);
162 }
163
164 protected final int readStructure() {
165 if (_structurePtr < _structure.length) {
166 return _structure[_structurePtr++] & 255;
167 }
168
169 return readFromNextStructure(1);
170 }
171
172 protected final int readEiiState() {
173 return _eiiStateTable[readStructure()];
174 }
175
176 protected static int getEIIState(int item) {
177 return _eiiStateTable[item];
178 }
179
180 protected static int getNIIState(int item) {
181 return _niiStateTable[item];
182 }
183
184 protected static int getAIIState(int item) {
185 return _aiiStateTable[item];
186 }
187
188 protected final int readStructure16() {
189 return (readStructure() << 8) | readStructure();
190 }
191
192 private int readFromNextStructure(int v) {
193 _structurePtr = v;
194 _currentStructureFragment = _currentStructureFragment.getNext();
195 _structure = _currentStructureFragment.getArray();
196 return _structure[0] & 255;
197 }
198
199 protected final String readStructureString() {
200 if (_structureStringsPtr < _structureStrings.length) {
201 return _structureStrings[_structureStringsPtr++];
202 }
203
204 _structureStringsPtr = 1;
205 _currentStructureStringFragment = _currentStructureStringFragment.getNext();
206 _structureStrings = _currentStructureStringFragment.getArray();
207 return _structureStrings[0];
208 }
209
210 protected final String readContentString() {
211 return (String)readContentObject();
212 }
213
214 protected final char[] readContentCharactersCopy() {
215 return (char[])readContentObject();
216 }
217
218 protected final int readContentCharactersBuffer(int length) {
219 if (_contentCharactersBufferPtr + length < _contentCharactersBuffer.length) {
220 final int start = _contentCharactersBufferPtr;
221 _contentCharactersBufferPtr += length;
222 return start;
223 }
224
225 _contentCharactersBufferPtr = length;
226 _currentContentCharactersBufferFragment = _currentContentCharactersBufferFragment.getNext();
227 _contentCharactersBuffer = _currentContentCharactersBufferFragment.getArray();
228 return 0;
229 }
230
231 protected final Object readContentObject() {
232 if (_contentObjectsPtr < _contentObjects.length) {
233 return _contentObjects[_contentObjectsPtr++];
234 }
235
236 _contentObjectsPtr = 1;
237 _currentContentObjectFragment = _currentContentObjectFragment.getNext();
238 _contentObjects = _currentContentObjectFragment.getArray();
239 return _contentObjects[0];
240 }
241
242 protected final StringBuilder _qNameBuffer = new StringBuilder();
243
244 protected final String getQName(String prefix, String localName) {
245 _qNameBuffer.append(prefix).append(':').append(localName);
246 final String qName = _qNameBuffer.toString();
247 _qNameBuffer.setLength(0);
248 return (_stringInterningFeature) ? qName.intern() : qName;
249 }
250
251 protected final String getPrefixFromQName(String qName) {
252 int pIndex = qName.indexOf(':');
253 if (_stringInterningFeature) {
254 return (pIndex != -1) ? qName.substring(0,pIndex).intern() : "";
255 } else {
256 return (pIndex != -1) ? qName.substring(0,pIndex) : "";
257 }
258 }
259 }

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