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.net.util;
19
20 import java.nio.charset.Charset;
21
22 /**
23 * Helps to deal with Charsets.
24 *
25 * @since 3.3
26 */
27 public class Charsets {
28
29 /**
30 * Returns a charset object for the given charset name.
31 *
32 * @param charsetName The name of the requested charset; may be a canonical name, an alias, or null. If null, return the default charset.
33 * @return A charset object for the named charset
34 */
35 public static Charset toCharset(final String charsetName) {
36 return charsetName == null ? Charset.defaultCharset() : Charset.forName(charsetName);
37 }
38
39 /**
40 * Returns a charset object for the given charset name.
41 *
42 * @param charsetName The name of the requested charset; may be a canonical name, an alias, or null. If null, return the default charset.
43 * @param defaultCharsetName the charset name to use if the requested charset is null
44 *
45 * @return A charset object for the named charset
46 */
47 public static Charset toCharset(final String charsetName, final String defaultCharsetName) {
48 return charsetName == null ? Charset.forName(defaultCharsetName) : Charset.forName(charsetName);
49 }
50 }