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Java > Open Source Codes > net > sf > retrotranslator > runtime > java > lang > _StringBuffer


1 /***
2  * Retrotranslator: a Java bytecode transformer that translates Java classes
3  * compiled with JDK 5.0 into classes that can be run on JVM 1.4.
4  *
5  * Copyright (c) 2005 - 2007 Taras Puchko
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  * notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  * notice, this list of conditions and the following disclaimer in the
15  * documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the copyright holders nor the names of its
17  * contributors may be used to endorse or promote products derived from
18  * this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30  * THE POSSIBILITY OF SUCH DAMAGE.
31  */

32 package net.sf.retrotranslator.runtime.java.lang;
33
34 /**
35  * @author Taras Puchko
36  */

37 public class _StringBuffer {
38
39     public static String JavaDoc convertConstructorArguments(CharSequence JavaDoc s) {
40         return s == null ? null : s.toString();
41     }
42
43     public static StringBuffer JavaDoc append(StringBuffer JavaDoc buffer, CharSequence JavaDoc s) {
44         return s instanceof StringBuffer JavaDoc ? buffer.append((StringBuffer JavaDoc) s) : buffer.append((Object JavaDoc) s);
45     }
46
47     public static StringBuffer JavaDoc append(StringBuffer JavaDoc buffer, CharSequence JavaDoc s, int start, int end) {
48         return append(buffer, s.subSequence(start, end));
49     }
50
51     public static StringBuffer JavaDoc appendCodePoint(StringBuffer JavaDoc buffer, int codePoint) {
52         buffer.append(Character.toChars(codePoint));
53         return buffer;
54     }
55
56     public static int codePointAt(StringBuffer JavaDoc buffer, int index) {
57         synchronized (buffer) {
58             return Character.codePointAt(buffer, index);
59         }
60     }
61
62     public static int codePointBefore(StringBuffer JavaDoc buffer, int index) {
63         synchronized (buffer) {
64             return Character.codePointBefore(buffer, index);
65         }
66     }
67
68     public static int codePointCount(StringBuffer JavaDoc buffer, int beginIndex, int endIndex) {
69         synchronized (buffer) {
70             return Character.codePointCount(buffer, beginIndex, endIndex);
71         }
72     }
73
74     public static StringBuffer JavaDoc insert(StringBuffer JavaDoc buffer, int dstOffset, CharSequence JavaDoc s) {
75         return buffer.insert(dstOffset, (Object JavaDoc) s);
76     }
77
78     public static StringBuffer JavaDoc insert(StringBuffer JavaDoc buffer, int dstOffset, CharSequence JavaDoc s, int start, int end) {
79         return insert(buffer, dstOffset, s.subSequence(start, end));
80     }
81
82     public static int offsetByCodePoints(StringBuffer JavaDoc buffer, int index, int codePointOffset) {
83         synchronized (buffer) {
84             return Character.offsetByCodePoints(buffer, index, codePointOffset);
85         }
86     }
87
88 }
89
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