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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  package org.apache.http.impl;
28  
29  import org.apache.http.config.ConnectionConfig;
30  
31  import java.nio.charset.Charset;
32  import java.nio.charset.CharsetDecoder;
33  import java.nio.charset.CharsetEncoder;
34  import java.nio.charset.CodingErrorAction;
35  
36  /**
37   * Connection support methods.
38   *
39   * @since 4.3
40   */
41  public final class ConnSupport {
42  
43      public static CharsetDecoder createDecoder(final ConnectionConfig cconfig) {
44          if (cconfig == null) {
45              return null;
46          }
47          final Charset charset = cconfig.getCharset();
48          final CodingErrorAction malformed = cconfig.getMalformedInputAction();
49          final CodingErrorAction unmappable = cconfig.getUnmappableInputAction();
50          if (charset != null) {
51              return charset.newDecoder()
52                      .onMalformedInput(malformed != null ? malformed : CodingErrorAction.REPORT)
53                      .onUnmappableCharacter(unmappable != null ? unmappable: CodingErrorAction.REPORT);
54          } else {
55              return null;
56          }
57      }
58  
59      public static CharsetEncoder createEncoder(final ConnectionConfig cconfig) {
60          if (cconfig == null) {
61              return null;
62          }
63          final Charset charset = cconfig.getCharset();
64          if (charset != null) {
65              final CodingErrorAction malformed = cconfig.getMalformedInputAction();
66              final CodingErrorAction unmappable = cconfig.getUnmappableInputAction();
67              return charset.newEncoder()
68                  .onMalformedInput(malformed != null ? malformed : CodingErrorAction.REPORT)
69                  .onUnmappableCharacter(unmappable != null ? unmappable: CodingErrorAction.REPORT);
70          } else {
71              return null;
72          }
73      }
74  
75  }