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="https://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="https://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a> 052 * @since 1.4 053 */ 054public class CharsetNames { 055 /** 056 * CharEncodingISO Latin Alphabet No. 1, a.k.a. ISO-LATIN-1. 057 * <p> 058 * Every implementation of the Java platform is required to support this character encoding. 059 * </p> 060 * 061 * @see <a href="https://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a> 062 */ 063 public static final String ISO_8859_1 = "ISO-8859-1"; 064 065 /** 066 * <p> 067 * Seven-bit ASCII, also known as ISO646-US, also known as the Basic Latin block of the Unicode character set. 068 * </p> 069 * <p> 070 * Every implementation of the Java platform is required to support this character encoding. 071 * </p> 072 * 073 * @see <a href="https://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a> 074 */ 075 public static final String US_ASCII = "US-ASCII"; 076 077 /** 078 * <p> 079 * Sixteen-bit Unicode Transformation Format, The byte order specified by a mandatory initial byte-order mark 080 * (either order accepted on input, big-endian used on output) 081 * </p> 082 * <p> 083 * Every implementation of the Java platform is required to support this character encoding. 084 * </p> 085 * 086 * @see <a href="https://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a> 087 */ 088 public static final String UTF_16 = "UTF-16"; 089 090 /** 091 * <p> 092 * Sixteen-bit Unicode Transformation Format, big-endian byte order. 093 * </p> 094 * <p> 095 * Every implementation of the Java platform is required to support this character encoding. 096 * </p> 097 * 098 * @see <a href="https://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a> 099 */ 100 public static final String UTF_16BE = "UTF-16BE"; 101 102 /** 103 * <p> 104 * Sixteen-bit Unicode Transformation Format, little-endian byte order. 105 * </p> 106 * <p> 107 * Every implementation of the Java platform is required to support this character encoding. 108 * </p> 109 * 110 * @see <a href="https://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a> 111 */ 112 public static final String UTF_16LE = "UTF-16LE"; 113 114 /** 115 * <p> 116 * Eight-bit Unicode Transformation Format. 117 * </p> 118 * <p> 119 * Every implementation of the Java platform is required to support this character encoding. 120 * </p> 121 * 122 * @see <a href="https://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a> 123 */ 124 public static final String UTF_8 = "UTF-8"; 125}