src/share/jaxws_classes/com/sun/xml/internal/fastinfoset/util/ContiguousCharArrayArray.java

Thu, 12 Oct 2017 19:44:07 +0800

author
aoqi
date
Thu, 12 Oct 2017 19:44:07 +0800
changeset 760
e530533619ec
parent 0
373ffda63c9a
permissions
-rw-r--r--

merge

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation. Oracle designates this
aoqi@0 8 * particular file as subject to the "Classpath" exception as provided
aoqi@0 9 * by Oracle in the LICENSE file that accompanied this code.
aoqi@0 10 *
aoqi@0 11 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 14 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 15 * accompanied this code).
aoqi@0 16 *
aoqi@0 17 * You should have received a copy of the GNU General Public License version
aoqi@0 18 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 20 *
aoqi@0 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 22 * or visit www.oracle.com if you need additional information or have any
aoqi@0 23 * questions.
aoqi@0 24 *
aoqi@0 25 * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC.
aoqi@0 26 */
aoqi@0 27
aoqi@0 28 package com.sun.xml.internal.fastinfoset.util;
aoqi@0 29 import com.sun.xml.internal.fastinfoset.CommonResourceBundle;
aoqi@0 30
aoqi@0 31 public class ContiguousCharArrayArray extends ValueArray {
aoqi@0 32 public static final int INITIAL_CHARACTER_SIZE = 512;
aoqi@0 33 public static final int MAXIMUM_CHARACTER_SIZE = Integer.MAX_VALUE;
aoqi@0 34
aoqi@0 35 protected int _maximumCharacterSize;
aoqi@0 36
aoqi@0 37 public int[] _offset;
aoqi@0 38 public int[] _length;
aoqi@0 39
aoqi@0 40 public char[] _array;
aoqi@0 41 public int _arrayIndex;
aoqi@0 42 public int _readOnlyArrayIndex;
aoqi@0 43
aoqi@0 44 private String[] _cachedStrings;
aoqi@0 45
aoqi@0 46 public int _cachedIndex;
aoqi@0 47
aoqi@0 48 private ContiguousCharArrayArray _readOnlyArray;
aoqi@0 49
aoqi@0 50 public ContiguousCharArrayArray(int initialCapacity, int maximumCapacity,
aoqi@0 51 int initialCharacterSize, int maximumCharacterSize) {
aoqi@0 52 _offset = new int[initialCapacity];
aoqi@0 53 _length = new int[initialCapacity];
aoqi@0 54 _array = new char[initialCharacterSize];
aoqi@0 55 _maximumCapacity = maximumCapacity;
aoqi@0 56 _maximumCharacterSize = maximumCharacterSize;
aoqi@0 57 }
aoqi@0 58
aoqi@0 59 public ContiguousCharArrayArray() {
aoqi@0 60 this(DEFAULT_CAPACITY, MAXIMUM_CAPACITY,
aoqi@0 61 INITIAL_CHARACTER_SIZE, MAXIMUM_CHARACTER_SIZE);
aoqi@0 62 }
aoqi@0 63
aoqi@0 64 public final void clear() {
aoqi@0 65 _arrayIndex = _readOnlyArrayIndex;
aoqi@0 66 _size = _readOnlyArraySize;
aoqi@0 67
aoqi@0 68 if (_cachedStrings != null) {
aoqi@0 69 for (int i = _readOnlyArraySize; i < _cachedStrings.length; i++) {
aoqi@0 70 _cachedStrings[i] = null;
aoqi@0 71 }
aoqi@0 72 }
aoqi@0 73 }
aoqi@0 74
aoqi@0 75 public final int getArrayIndex() {
aoqi@0 76 return _arrayIndex;
aoqi@0 77 }
aoqi@0 78
aoqi@0 79 public final void setReadOnlyArray(ValueArray readOnlyArray, boolean clear) {
aoqi@0 80 if (!(readOnlyArray instanceof ContiguousCharArrayArray)) {
aoqi@0 81 throw new IllegalArgumentException(CommonResourceBundle.getInstance().getString("message.illegalClass", new Object[]{readOnlyArray}));
aoqi@0 82 }
aoqi@0 83
aoqi@0 84 setReadOnlyArray((ContiguousCharArrayArray)readOnlyArray, clear);
aoqi@0 85 }
aoqi@0 86
aoqi@0 87 public final void setReadOnlyArray(ContiguousCharArrayArray readOnlyArray, boolean clear) {
aoqi@0 88 if (readOnlyArray != null) {
aoqi@0 89 _readOnlyArray = readOnlyArray;
aoqi@0 90 _readOnlyArraySize = readOnlyArray.getSize();
aoqi@0 91 _readOnlyArrayIndex = readOnlyArray.getArrayIndex();
aoqi@0 92
aoqi@0 93 if (clear) {
aoqi@0 94 clear();
aoqi@0 95 }
aoqi@0 96
aoqi@0 97 _array = getCompleteCharArray();
aoqi@0 98 _offset = getCompleteOffsetArray();
aoqi@0 99 _length = getCompleteLengthArray();
aoqi@0 100 _size = _readOnlyArraySize;
aoqi@0 101 _arrayIndex = _readOnlyArrayIndex;
aoqi@0 102 }
aoqi@0 103 }
aoqi@0 104
aoqi@0 105 public final char[] getCompleteCharArray() {
aoqi@0 106 if (_readOnlyArray == null) {
aoqi@0 107 if (_array == null) return null;
aoqi@0 108
aoqi@0 109 // Return cloned version of internal _array
aoqi@0 110 final char[] clonedArray = new char[_array.length];
aoqi@0 111 System.arraycopy(_array, 0, clonedArray, 0, _array.length);
aoqi@0 112 return clonedArray;
aoqi@0 113 // return _array;
aoqi@0 114 } else {
aoqi@0 115 final char[] ra = _readOnlyArray.getCompleteCharArray();
aoqi@0 116 final char[] a = new char[_readOnlyArrayIndex + _array.length];
aoqi@0 117 System.arraycopy(ra, 0, a, 0, _readOnlyArrayIndex);
aoqi@0 118 return a;
aoqi@0 119 }
aoqi@0 120 }
aoqi@0 121
aoqi@0 122 public final int[] getCompleteOffsetArray() {
aoqi@0 123 if (_readOnlyArray == null) {
aoqi@0 124 if (_offset == null) return null;
aoqi@0 125
aoqi@0 126 // Return cloned version of internal _offset
aoqi@0 127 final int[] clonedArray = new int[_offset.length];
aoqi@0 128 System.arraycopy(_offset, 0, clonedArray, 0, _offset.length);
aoqi@0 129 return clonedArray;
aoqi@0 130 // return _offset;
aoqi@0 131 } else {
aoqi@0 132 final int[] ra = _readOnlyArray.getCompleteOffsetArray();
aoqi@0 133 final int[] a = new int[_readOnlyArraySize + _offset.length];
aoqi@0 134 System.arraycopy(ra, 0, a, 0, _readOnlyArraySize);
aoqi@0 135 return a;
aoqi@0 136 }
aoqi@0 137 }
aoqi@0 138
aoqi@0 139 public final int[] getCompleteLengthArray() {
aoqi@0 140 if (_readOnlyArray == null) {
aoqi@0 141 if (_length == null) return null;
aoqi@0 142
aoqi@0 143 // Return cloned version of internal _length
aoqi@0 144 final int[] clonedArray = new int[_length.length];
aoqi@0 145 System.arraycopy(_length, 0, clonedArray, 0, _length.length);
aoqi@0 146 return clonedArray;
aoqi@0 147 // return _length;
aoqi@0 148 } else {
aoqi@0 149 final int[] ra = _readOnlyArray.getCompleteLengthArray();
aoqi@0 150 final int[] a = new int[_readOnlyArraySize + _length.length];
aoqi@0 151 System.arraycopy(ra, 0, a, 0, _readOnlyArraySize);
aoqi@0 152 return a;
aoqi@0 153 }
aoqi@0 154 }
aoqi@0 155
aoqi@0 156 public final String getString(int i) {
aoqi@0 157 if (_cachedStrings != null && i < _cachedStrings.length) {
aoqi@0 158 final String s = _cachedStrings[i];
aoqi@0 159 return (s != null) ? s : (_cachedStrings[i] = new String(_array, _offset[i], _length[i]));
aoqi@0 160 }
aoqi@0 161
aoqi@0 162 final String[] newCachedStrings = new String[_offset.length];
aoqi@0 163 if (_cachedStrings != null && i >= _cachedStrings.length) {
aoqi@0 164 System.arraycopy(_cachedStrings, 0, newCachedStrings, 0, _cachedStrings.length);
aoqi@0 165 }
aoqi@0 166 _cachedStrings = newCachedStrings;
aoqi@0 167
aoqi@0 168 return _cachedStrings[i] = new String(_array, _offset[i], _length[i]);
aoqi@0 169 }
aoqi@0 170
aoqi@0 171 public final void ensureSize(int l) {
aoqi@0 172 if (_arrayIndex + l >= _array.length) {
aoqi@0 173 resizeArray(_arrayIndex + l);
aoqi@0 174 }
aoqi@0 175 }
aoqi@0 176
aoqi@0 177 public final void add(int l) {
aoqi@0 178 if (_size == _offset.length) {
aoqi@0 179 resize();
aoqi@0 180 }
aoqi@0 181
aoqi@0 182 _cachedIndex = _size;
aoqi@0 183 _offset[_size] = _arrayIndex;
aoqi@0 184 _length[_size++] = l;
aoqi@0 185
aoqi@0 186 _arrayIndex += l;
aoqi@0 187 }
aoqi@0 188
aoqi@0 189 public final int add(char[] c, int l) {
aoqi@0 190 if (_size == _offset.length) {
aoqi@0 191 resize();
aoqi@0 192 }
aoqi@0 193
aoqi@0 194 final int oldArrayIndex = _arrayIndex;
aoqi@0 195 final int arrayIndex = oldArrayIndex + l;
aoqi@0 196
aoqi@0 197 _cachedIndex = _size;
aoqi@0 198 _offset[_size] = oldArrayIndex;
aoqi@0 199 _length[_size++] = l;
aoqi@0 200
aoqi@0 201 if (arrayIndex >= _array.length) {
aoqi@0 202 resizeArray(arrayIndex);
aoqi@0 203 }
aoqi@0 204
aoqi@0 205 System.arraycopy(c, 0, _array, oldArrayIndex, l);
aoqi@0 206
aoqi@0 207 _arrayIndex = arrayIndex;
aoqi@0 208 return oldArrayIndex;
aoqi@0 209 }
aoqi@0 210
aoqi@0 211 protected final void resize() {
aoqi@0 212 if (_size == _maximumCapacity) {
aoqi@0 213 throw new ValueArrayResourceException(CommonResourceBundle.getInstance().getString("message.arrayMaxCapacity"));
aoqi@0 214 }
aoqi@0 215
aoqi@0 216 int newSize = _size * 3 / 2 + 1;
aoqi@0 217 if (newSize > _maximumCapacity) {
aoqi@0 218 newSize = _maximumCapacity;
aoqi@0 219 }
aoqi@0 220
aoqi@0 221 final int[] offset = new int[newSize];
aoqi@0 222 System.arraycopy(_offset, 0, offset, 0, _size);
aoqi@0 223 _offset = offset;
aoqi@0 224
aoqi@0 225 final int[] length = new int[newSize];
aoqi@0 226 System.arraycopy(_length, 0, length, 0, _size);
aoqi@0 227 _length = length;
aoqi@0 228 }
aoqi@0 229
aoqi@0 230 protected final void resizeArray(int requestedSize) {
aoqi@0 231 if (_arrayIndex == _maximumCharacterSize) {
aoqi@0 232 throw new ValueArrayResourceException(CommonResourceBundle.getInstance().getString("message.maxNumberOfCharacters"));
aoqi@0 233 }
aoqi@0 234
aoqi@0 235 int newSize = requestedSize * 3 / 2 + 1;
aoqi@0 236 if (newSize > _maximumCharacterSize) {
aoqi@0 237 newSize = _maximumCharacterSize;
aoqi@0 238 }
aoqi@0 239
aoqi@0 240 final char[] array = new char[newSize];
aoqi@0 241 System.arraycopy(_array, 0, array, 0, _arrayIndex);
aoqi@0 242 _array = array;
aoqi@0 243 }
aoqi@0 244 }

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