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

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1 /*
2 * Copyright (c) 2004, 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 * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC.
26 */
27
28 package com.sun.xml.internal.fastinfoset.util;
29 import com.sun.xml.internal.fastinfoset.CommonResourceBundle;
30
31 public class StringArray extends ValueArray {
32
33 public String[] _array;
34
35 private StringArray _readOnlyArray;
36
37 private boolean _clear;
38
39 public StringArray(int initialCapacity, int maximumCapacity, boolean clear) {
40 _array = new String[initialCapacity];
41 _maximumCapacity = maximumCapacity;
42 _clear = clear;
43 }
44
45 public StringArray() {
46 this(DEFAULT_CAPACITY, MAXIMUM_CAPACITY, false);
47 }
48
49 public final void clear() {
50 if (_clear) for (int i = _readOnlyArraySize; i < _size; i++) {
51 _array[i] = null;
52 }
53 _size = _readOnlyArraySize;
54 }
55
56 /**
57 * Returns cloned version of internal String[].
58 * @return cloned version of internal String[].
59 */
60 public final String[] getArray() {
61 if (_array == null) return null;
62
63 final String[] clonedArray = new String[_array.length];
64 System.arraycopy(_array, 0, clonedArray, 0, _array.length);
65 return clonedArray;
66 }
67
68 public final void setReadOnlyArray(ValueArray readOnlyArray, boolean clear) {
69 if (!(readOnlyArray instanceof StringArray)) {
70 throw new IllegalArgumentException(CommonResourceBundle.getInstance().
71 getString("message.illegalClass", new Object[]{readOnlyArray}));
72 }
73
74 setReadOnlyArray((StringArray)readOnlyArray, clear);
75 }
76
77 public final void setReadOnlyArray(StringArray readOnlyArray, boolean clear) {
78 if (readOnlyArray != null) {
79 _readOnlyArray = readOnlyArray;
80 _readOnlyArraySize = readOnlyArray.getSize();
81
82 if (clear) {
83 clear();
84 }
85
86 _array = getCompleteArray();
87 _size = _readOnlyArraySize;
88 }
89 }
90
91 public final String[] getCompleteArray() {
92 if (_readOnlyArray == null) {
93 // Return cloned version of internal _array
94 return getArray();
95 // return _array;
96 } else {
97 final String[] ra = _readOnlyArray.getCompleteArray();
98 final String[] a = new String[_readOnlyArraySize + _array.length];
99 System.arraycopy(ra, 0, a, 0, _readOnlyArraySize);
100 return a;
101 }
102 }
103
104 public final String get(int i) {
105 return _array[i];
106 }
107
108 public final int add(String s) {
109 if (_size == _array.length) {
110 resize();
111 }
112
113 _array[_size++] = s;
114 return _size;
115 }
116
117 protected final void resize() {
118 if (_size == _maximumCapacity) {
119 throw new ValueArrayResourceException(CommonResourceBundle.getInstance().getString("message.arrayMaxCapacity"));
120 }
121
122 int newSize = _size * 3 / 2 + 1;
123 if (newSize > _maximumCapacity) {
124 newSize = _maximumCapacity;
125 }
126
127 final String[] newArray = new String[newSize];
128 System.arraycopy(_array, 0, newArray, 0, _size);
129 _array = newArray;
130 }
131 }

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