001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 * 017 */ 018 019package org.apache.commons.compress.utils; 020 021/** 022 * Character encoding names required of every implementation of the Java platform. 023 * 024 * From the Java documentation <a href="http://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard 025 * charsets</a>: 026 * <p> 027 * <cite>Every implementation of the Java platform is required to support the following character encodings. Consult the 028 * release documentation for your implementation to see if any other encodings are supported. Consult the release 029 * documentation for your implementation to see if any other encodings are supported. </cite> 030 * </p> 031 * 032 * <dl> 033 * <dt><code>US-ASCII</code></dt> 034 * <dd>Seven-bit ASCII, a.k.a. ISO646-US, a.k.a. the Basic Latin block of the Unicode character set.</dd> 035 * <dt><code>ISO-8859-1</code></dt> 036 * <dd>ISO Latin Alphabet No. 1, a.k.a. ISO-LATIN-1.</dd> 037 * <dt><code>UTF-8</code></dt> 038 * <dd>Eight-bit Unicode Transformation Format.</dd> 039 * <dt><code>UTF-16BE</code></dt> 040 * <dd>Sixteen-bit Unicode Transformation Format, big-endian byte order.</dd> 041 * <dt><code>UTF-16LE</code></dt> 042 * <dd>Sixteen-bit Unicode Transformation Format, little-endian byte order.</dd> 043 * <dt><code>UTF-16</code></dt> 044 * <dd>Sixteen-bit Unicode Transformation Format, byte order specified by a mandatory initial byte-order mark (either order 045 * accepted on input, big-endian used on output.)</dd> 046 * </dl> 047 * 048 * <p>This perhaps would best belong in the [lang] project. Even if a similar interface is defined in [lang], it is not 049 * foreseen that [compress] would be made to depend on [lang].</p> 050 * 051 * @see <a href="http://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a> 052 * @since 1.4 053 * @version $Id$ 054 */ 055public class CharsetNames { 056 /** 057 * CharEncodingISO Latin Alphabet No. 1, a.k.a. ISO-LATIN-1. 058 * <p> 059 * Every implementation of the Java platform is required to support this character encoding. 060 * </p> 061 * 062 * @see <a href="http://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a> 063 */ 064 public static final String ISO_8859_1 = "ISO-8859-1"; 065 066 /** 067 * <p> 068 * Seven-bit ASCII, also known as ISO646-US, also known as the Basic Latin block of the Unicode character set. 069 * </p> 070 * <p> 071 * Every implementation of the Java platform is required to support this character encoding. 072 * </p> 073 * 074 * @see <a href="http://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a> 075 */ 076 public static final String US_ASCII = "US-ASCII"; 077 078 /** 079 * <p> 080 * Sixteen-bit Unicode Transformation Format, The byte order specified by a mandatory initial byte-order mark 081 * (either order accepted on input, big-endian used on output) 082 * </p> 083 * <p> 084 * Every implementation of the Java platform is required to support this character encoding. 085 * </p> 086 * 087 * @see <a href="http://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a> 088 */ 089 public static final String UTF_16 = "UTF-16"; 090 091 /** 092 * <p> 093 * Sixteen-bit Unicode Transformation Format, big-endian byte order. 094 * </p> 095 * <p> 096 * Every implementation of the Java platform is required to support this character encoding. 097 * </p> 098 * 099 * @see <a href="http://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a> 100 */ 101 public static final String UTF_16BE = "UTF-16BE"; 102 103 /** 104 * <p> 105 * Sixteen-bit Unicode Transformation Format, little-endian byte order. 106 * </p> 107 * <p> 108 * Every implementation of the Java platform is required to support this character encoding. 109 * </p> 110 * 111 * @see <a href="http://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a> 112 */ 113 public static final String UTF_16LE = "UTF-16LE"; 114 115 /** 116 * <p> 117 * Eight-bit Unicode Transformation Format. 118 * </p> 119 * <p> 120 * Every implementation of the Java platform is required to support this character encoding. 121 * </p> 122 * 123 * @see <a href="http://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a> 124 */ 125 public static final String UTF_8 = "UTF-8"; 126}