1/*
2 * Copyright (c) 2004, 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 * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC.
26 */
27
28package com.sun.xml.internal.fastinfoset.util;
29import com.sun.xml.internal.fastinfoset.CommonResourceBundle;
30
31public 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}
132