Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.commons.codec; /** * Character encoding names required of every implementation of the Java platform. * * From the Java documentation <a * href="http://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a>: * <p> * <cite>Every implementation of the Java platform is required to support the following character encodings. Consult the * release documentation for your implementation to see if any other encodings are supported. Consult the release * documentation for your implementation to see if any other encodings are supported.</cite> * </p> * * <ul> * <li><code>US-ASCII</code><br/> * Seven-bit ASCII, a.k.a. ISO646-US, a.k.a. the Basic Latin block of the Unicode character set.</li> * <li><code>ISO-8859-1</code><br/> * ISO Latin Alphabet No. 1, a.k.a. ISO-LATIN-1.</li> * <li><code>UTF-8</code><br/> * Eight-bit Unicode Transformation Format.</li> * <li><code>UTF-16BE</code><br/> * Sixteen-bit Unicode Transformation Format, big-endian byte order.</li> * <li><code>UTF-16LE</code><br/> * Sixteen-bit Unicode Transformation Format, little-endian byte order.</li> * <li><code>UTF-16</code><br/> * Sixteen-bit Unicode Transformation Format, byte order specified by a mandatory initial byte-order mark (either order * accepted on input, big-endian used on output.)</li> * </ul> * * This perhaps would best belong in the [lang] project. Even if a similar interface is defined in [lang], it is not * foreseen that [codec] would be made to depend on [lang]. * * <p> * This class is immutable and thread-safe. * </p> * * @see <a href="http://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a> * @since 1.4 * @version $Id$ */ public class CharEncoding { /** * CharEncodingISO Latin Alphabet No. 1, a.k.a. ISO-LATIN-1. * <p> * Every implementation of the Java platform is required to support this character encoding. * * @see <a href="http://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a> */ public static final String ISO_8859_1 = "ISO-8859-1"; /** * Seven-bit ASCII, also known as ISO646-US, also known as the Basic Latin block of the Unicode character set. * <p> * Every implementation of the Java platform is required to support this character encoding. * * @see <a href="http://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a> */ public static final String US_ASCII = "US-ASCII"; /** * Sixteen-bit Unicode Transformation Format, The byte order specified by a mandatory initial byte-order mark * (either order accepted on input, big-endian used on output) * <p> * Every implementation of the Java platform is required to support this character encoding. * * @see <a href="http://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a> */ public static final String UTF_16 = "UTF-16"; /** * Sixteen-bit Unicode Transformation Format, big-endian byte order. * <p> * Every implementation of the Java platform is required to support this character encoding. * * @see <a href="http://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a> */ public static final String UTF_16BE = "UTF-16BE"; /** * Sixteen-bit Unicode Transformation Format, little-endian byte order. * <p> * Every implementation of the Java platform is required to support this character encoding. * * @see <a href="http://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a> */ public static final String UTF_16LE = "UTF-16LE"; /** * Eight-bit Unicode Transformation Format. * <p> * Every implementation of the Java platform is required to support this character encoding. * * @see <a href="http://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html">Standard charsets</a> */ public static final String UTF_8 = "UTF-8"; }