Coverage Report

Coverage Report - org.apache.commons.lang3.CharEncoding

Classes in this File

Line Coverage

Branch Coverage

Complexity

CharEncoding

100%

6/6

100%

2/2

 /*
  * 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.lang3;
 
 import java.nio.charset.Charset;
 import java.nio.charset.IllegalCharsetNameException;
 
 /**
  * <p>Character encoding names required of every implementation of the Java platform.</p>
  *
  * <p>According to <a href="http://java.sun.com/j2se/1.3/docs/api/java/lang/package-summary.html#charenc">JRE character
  * encoding names</a>:</p>
  *
  * <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.
  * </cite></p>
  *
  * @see <a href="http://download.oracle.com/javase/1.3/docs/guide/intl/encoding.doc.html">JRE character encoding names</a>
  * @since 2.1
  * @version $Id: CharEncoding.java 1436770 2013-01-22 07:09:45Z ggregory $
  */
 public class CharEncoding {
 
     /**
      * <p>ISO Latin Alphabet #1, also known as ISO-LATIN-1.</p>
      *
      * <p>Every implementation of the Java platform is required to support this character encoding.</p>
      */
     public static final String ISO_8859_1 = "ISO-8859-1";
 
     /**
      * <p>Seven-bit ASCII, also known as ISO646-US, also known as the Basic Latin block
      * of the Unicode character set.</p>
      *
      * <p>Every implementation of the Java platform is required to support this character encoding.</p>
      */
     public static final String US_ASCII = "US-ASCII";
 
     /**
      * <p>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).</p>
      *
      * <p>Every implementation of the Java platform is required to support this character encoding.</p>
      */
     public static final String UTF_16 = "UTF-16";
 
     /**
      * <p>Sixteen-bit Unicode Transformation Format, big-endian byte order.</p>
      *
      * <p>Every implementation of the Java platform is required to support this character encoding.</p>
      */
     public static final String UTF_16BE = "UTF-16BE";
 
     /**
      * <p>Sixteen-bit Unicode Transformation Format, little-endian byte order.</p>
      *
      * <p>Every implementation of the Java platform is required to support this character encoding.</p>
      */
     public static final String UTF_16LE = "UTF-16LE";
 
     /**
      * <p>Eight-bit Unicode Transformation Format.</p>
      *
      * <p>Every implementation of the Java platform is required to support this character encoding.</p>
      */
     public static final String UTF_8 = "UTF-8";
 
     //-----------------------------------------------------------------------
     /**
      * <p>Returns whether the named charset is supported.</p>
      *
      * <p>This is similar to <a
      * href="http://download.oracle.com/javase/1.4.2/docs/api/java/nio/charset/Charset.html#isSupported%28java.lang.String%29">
      * java.nio.charset.Charset.isSupported(String)</a> but handles more formats</p>
      *
      * @param name  the name of the requested charset; may be either a canonical name or an alias, null returns false
      * @return {@code true} if the charset is available in the current Java virtual machine
      */
     public static boolean isSupported(final String name) {
         if (name == null) {
             return false;
         }
         try {
             return Charset.isSupported(name);
         } catch (final IllegalCharsetNameException ex) {
             return false;
         }
     }
 
 }

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://java.sun.com/j2se/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 1436770 2013-01-22 07:09:45Z ggregory $
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		}