2 Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING. If not, write to the
18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library. Thus, the terms and
23 conditions of the GNU General Public License cover the whole
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module. An independent module is a module which is not derived from
33 or based on this library. If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so. If you do not wish to do so, delete this
36 exception statement from your version. */
38 package gnu.java.nio.charset;
40 import java.nio.ByteBuffer;
41 import java.nio.CharBuffer;
42 import java.nio.charset.Charset;
43 import java.nio.charset.CharsetDecoder;
44 import java.nio.charset.CharsetEncoder;
45 import java.nio.charset.CoderResult;
50 * @author Jesse Rosenstock
51 * @modified Ian Rogers
53 final class ISO_8859_1 extends Charset
57 /* Canonical charset name chosen according to:
58 * http://java.sun.com/j2se/1.5.0/docs/guide/intl/encoding.doc.html
60 super ("ISO-8859-1", new String[] {
61 /* These names are provided by
62 * http://www.iana.org/assignments/character-sets
72 /* These names are provided by
73 * http://oss.software.ibm.com/cgi-bin/icu/convexp?s=ALL
85 public boolean contains (Charset cs)
87 return cs instanceof US_ASCII || cs instanceof ISO_8859_1;
90 public CharsetDecoder newDecoder ()
92 return new Decoder (this);
95 public CharsetEncoder newEncoder ()
97 return new Encoder (this);
100 private static final class Decoder extends CharsetDecoder
102 /** Helper to decode loops */
103 private static final ByteDecodeLoopHelper helper = new ByteDecodeLoopHelper()
105 protected boolean isMappable(byte b)
109 protected char mapToChar(byte b)
111 return (char)(b & 0xFF);
115 // Package-private to avoid a trampoline constructor.
118 super (cs, 1.0f, 1.0f);
121 protected CoderResult decodeLoop (ByteBuffer in, CharBuffer out)
123 return helper.decodeLoop(in, out);
127 private static final class Encoder extends CharsetEncoder
129 /** Helper to encode loops */
130 private static final ByteEncodeLoopHelper helper = new ByteEncodeLoopHelper()
132 protected boolean isMappable(char c)
136 protected byte mapToByte(char c)
141 // Package-private to avoid a trampoline constructor.
144 super (cs, 1.0f, 1.0f);
147 public boolean canEncode(char c)
152 public boolean canEncode(CharSequence cs)
154 for (int i = 0; i < cs.length(); ++i)
155 if (! canEncode(cs.charAt(i)))
160 protected CoderResult encodeLoop (CharBuffer in, ByteBuffer out)
162 return helper.encodeLoop(in, out);