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Java > Open Source Codes > com > sun > xml > fastinfoset > util > StringArray


1 /*
2  * Fast Infoset ver. 0.1 software ("Software")
3  *
4  * Copyright, 2004-2005 Sun Microsystems, Inc. All Rights Reserved.
5  *
6  * Software is licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License. You may
8  * obtain a copy of the License at:
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
14  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
15  * License for the specific language governing permissions and limitations.
16  *
17  * Sun supports and benefits from the global community of open source
18  * developers, and thanks the community for its important contributions and
19  * open standards-based technology, which Sun has adopted into many of its
20  * products.
21  *
22  * Please note that portions of Software may be provided with notices and
23  * open source licenses from such communities and third parties that govern the
24  * use of those portions, and any licenses granted hereunder do not alter any
25  * rights and obligations you may have under such open source licenses,
26  * however, the disclaimer of warranty and limitation of liability provisions
27  * in this License will apply to all Software in this distribution.
28  *
29  * You acknowledge that the Software is not designed, licensed or intended
30  * for use in the design, construction, operation or maintenance of any nuclear
31  * facility.
32  *
33  * Apache License
34  * Version 2.0, January 2004
35  * http://www.apache.org/licenses/
36  *
37  */
38
39
40 package com.sun.xml.fastinfoset.util;
41 import com.sun.xml.fastinfoset.CommonResourceBundle;
42
43 public class StringArray extends ValueArray {
44     
45     public String JavaDoc[] _array;
46     
47     private StringArray _readOnlyArray;
48
49     public StringArray(int initialCapacity, int maximumCapacity) {
50         _array = new String JavaDoc[initialCapacity];
51         _maximumCapacity = maximumCapacity;
52     }
53
54     public StringArray() {
55         this(DEFAULT_CAPACITY, MAXIMUM_CAPACITY);
56     }
57
58     public final void clear() {
59         for (int i = _readOnlyArraySize; i < _size; i++) {
60             _array[i] = null;
61         }
62         _size = _readOnlyArraySize;
63     }
64
65     public final String JavaDoc[] getArray() {
66         return _array;
67     }
68     
69     public final void setReadOnlyArray(ValueArray readOnlyArray, boolean clear) {
70         if (!(readOnlyArray instanceof StringArray)) {
71             throw new IllegalArgumentException JavaDoc(CommonResourceBundle.getInstance().
72                     getString("message.illegalClass", new Object JavaDoc[]{readOnlyArray}));
73         }
74         
75         setReadOnlyArray((StringArray)readOnlyArray, clear);
76     }
77
78     public final void setReadOnlyArray(StringArray readOnlyArray, boolean clear) {
79         if (readOnlyArray != null) {
80             _readOnlyArray = readOnlyArray;
81             _readOnlyArraySize = readOnlyArray.getSize();
82            
83             if (clear) {
84                 clear();
85             }
86
87             _array = getCompleteArray();
88             _size = _readOnlyArraySize;
89         }
90     }
91
92     public final String JavaDoc[] getCompleteArray() {
93         if (_readOnlyArray == null) {
94             return _array;
95         } else {
96             final String JavaDoc[] ra = _readOnlyArray.getCompleteArray();
97             final String JavaDoc[] a = new String JavaDoc[_readOnlyArraySize + _array.length];
98             System.arraycopy(ra, 0, a, 0, _readOnlyArraySize);
99             return a;
100         }
101     }
102     
103     public final String JavaDoc get(int i) {
104         return _array[i];
105     }
106  
107     public final int add(String JavaDoc s) {
108         if (_size == _array.length) {
109             resize();
110         }
111             
112        _array[_size++] = s;
113        return _size;
114     }
115     
116     protected final void resize() {
117         if (_size == _maximumCapacity) {
118             throw new ValueArrayResourceException(CommonResourceBundle.getInstance().getString("message.arrayMaxCapacity"));
119         }
120
121         int newSize = _size * 3 / 2 + 1;
122         if (newSize > _maximumCapacity) {
123             newSize = _maximumCapacity;
124         }
125
126         final String JavaDoc[] newArray = new String JavaDoc[newSize];
127         System.arraycopy(_array, 0, newArray, 0, _size);
128         _array = newArray;
129     }
130 }
131
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