1 /* 2 * Copyright (C) 2007 The Guava Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.common.base; 18 19 import java.nio.charset.Charset; 20 21 /** 22 * Contains constant definitions for the six standard {@link Charset} instances, which are 23 * guaranteed to be supported by all Java platform implementations. 24 * 25 * @author Mike Bostock 26 * @since 1.0 27 */ 28 public final class Charsets { Charsets()29 private Charsets() {} 30 31 /** 32 * US-ASCII: seven-bit ASCII, the Basic Latin block of the Unicode character set (ISO646-US). 33 */ 34 public static final Charset US_ASCII = Charset.forName("US-ASCII"); 35 36 /** 37 * ISO-8859-1: ISO Latin Alphabet Number 1 (ISO-LATIN-1). 38 */ 39 public static final Charset ISO_8859_1 = Charset.forName("ISO-8859-1"); 40 41 /** 42 * UTF-8: eight-bit UCS Transformation Format. 43 */ 44 public static final Charset UTF_8 = Charset.forName("UTF-8"); 45 46 /** 47 * UTF-16BE: sixteen-bit UCS Transformation Format, big-endian byte order. 48 */ 49 public static final Charset UTF_16BE = Charset.forName("UTF-16BE"); 50 51 /** 52 * UTF-16LE: sixteen-bit UCS Transformation Format, little-endian byte order. 53 */ 54 public static final Charset UTF_16LE = Charset.forName("UTF-16LE"); 55 56 /** 57 * UTF-16: sixteen-bit UCS Transformation Format, byte order identified by an optional byte-order 58 * mark. 59 */ 60 public static final Charset UTF_16 = Charset.forName("UTF-16"); 61 62 /* 63 * Please do not add new Charset references to this class, unless those character encodings are 64 * part of the set required to be supported by all Java platform implementations! Any Charsets 65 * initialized here may cause unexpected delays when this class is loaded. See the Charset 66 * Javadocs for the list of built-in character encodings. 67 */ 68 } 69