Coverage Report - org.apache.commons.lang3.CharEncoding
 
Classes in this File Line Coverage Branch Coverage Complexity
CharEncoding
100%
6/6
100%
2/2
5
 
 1  
 /*
 2  
  * Licensed to the Apache Software Foundation (ASF) under one or more
 3  
  * contributor license agreements.  See the NOTICE file distributed with
 4  
  * this work for additional information regarding copyright ownership.
 5  
  * The ASF licenses this file to You under the Apache License, Version 2.0
 6  
  * (the "License"); you may not use this file except in compliance with
 7  
  * the License.  You may obtain a copy of the License at
 8  
  *
 9  
  *      http://www.apache.org/licenses/LICENSE-2.0
 10  
  *
 11  
  * Unless required by applicable law or agreed to in writing, software
 12  
  * distributed under the License is distributed on an "AS IS" BASIS,
 13  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 14  
  * See the License for the specific language governing permissions and
 15  
  * limitations under the License.
 16  
  */
 17  
 
 18  
 package org.apache.commons.lang3;
 19  
 
 20  
 import java.nio.charset.Charset;
 21  
 import java.nio.charset.IllegalCharsetNameException;
 22  
 
 23  
 /**
 24  
  * <p>Character encoding names required of every implementation of the Java platform.</p>
 25  
  *
 26  
  * <p>According to <a href="http://docs.oracle.com/javase/1.3/docs/api/java/lang/package-summary.html#charenc">JRE character
 27  
  * encoding names</a>:</p>
 28  
  *
 29  
  * <p><cite>Every implementation of the Java platform is required to support the following character encodings.
 30  
  * Consult the release documentation for your implementation to see if any other encodings are supported.
 31  
  * </cite></p>
 32  
  *
 33  
  * @see <a href="http://download.oracle.com/javase/1.3/docs/guide/intl/encoding.doc.html">JRE character encoding names</a>
 34  
  * @since 2.1
 35  
  * @version $Id: CharEncoding.java 1459653 2013-03-22 07:37:03Z bayard $
 36  
  */
 37  1
 public class CharEncoding {
 38  
 
 39  
     /**
 40  
      * <p>ISO Latin Alphabet #1, also known as ISO-LATIN-1.</p>
 41  
      *
 42  
      * <p>Every implementation of the Java platform is required to support this character encoding.</p>
 43  
      */
 44  
     public static final String ISO_8859_1 = "ISO-8859-1";
 45  
 
 46  
     /**
 47  
      * <p>Seven-bit ASCII, also known as ISO646-US, also known as the Basic Latin block
 48  
      * of the Unicode character set.</p>
 49  
      *
 50  
      * <p>Every implementation of the Java platform is required to support this character encoding.</p>
 51  
      */
 52  
     public static final String US_ASCII = "US-ASCII";
 53  
 
 54  
     /**
 55  
      * <p>Sixteen-bit Unicode Transformation Format, byte order specified by a mandatory initial
 56  
      * byte-order mark (either order accepted on input, big-endian used on output).</p>
 57  
      *
 58  
      * <p>Every implementation of the Java platform is required to support this character encoding.</p>
 59  
      */
 60  
     public static final String UTF_16 = "UTF-16";
 61  
 
 62  
     /**
 63  
      * <p>Sixteen-bit Unicode Transformation Format, big-endian byte order.</p>
 64  
      *
 65  
      * <p>Every implementation of the Java platform is required to support this character encoding.</p>
 66  
      */
 67  
     public static final String UTF_16BE = "UTF-16BE";
 68  
 
 69  
     /**
 70  
      * <p>Sixteen-bit Unicode Transformation Format, little-endian byte order.</p>
 71  
      *
 72  
      * <p>Every implementation of the Java platform is required to support this character encoding.</p>
 73  
      */
 74  
     public static final String UTF_16LE = "UTF-16LE";
 75  
 
 76  
     /**
 77  
      * <p>Eight-bit Unicode Transformation Format.</p>
 78  
      *
 79  
      * <p>Every implementation of the Java platform is required to support this character encoding.</p>
 80  
      */
 81  
     public static final String UTF_8 = "UTF-8";
 82  
 
 83  
     //-----------------------------------------------------------------------
 84  
     /**
 85  
      * <p>Returns whether the named charset is supported.</p>
 86  
      *
 87  
      * <p>This is similar to <a
 88  
      * href="http://download.oracle.com/javase/1.4.2/docs/api/java/nio/charset/Charset.html#isSupported%28java.lang.String%29">
 89  
      * java.nio.charset.Charset.isSupported(String)</a> but handles more formats</p>
 90  
      *
 91  
      * @param name  the name of the requested charset; may be either a canonical name or an alias, null returns false
 92  
      * @return {@code true} if the charset is available in the current Java virtual machine
 93  
      */
 94  
     public static boolean isSupported(final String name) {
 95  21
         if (name == null) {
 96  1
             return false;
 97  
         }
 98  
         try {
 99  20
             return Charset.isSupported(name);
 100  4
         } catch (final IllegalCharsetNameException ex) {
 101  4
             return false;
 102  
         }
 103  
     }
 104  
 
 105  
 }