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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  
28  package org.apache.http.entity.mime.content;
29  
30  import java.nio.charset.Charset;
31  
32  import org.apache.http.entity.ContentType;
33  import org.apache.http.util.Args;
34  
35  /**
36   *
37   * @since 4.0
38   */
39  public abstract class AbstractContentBody implements ContentBody {
40  
41      private final ContentType contentType;
42  
43      /**
44       * @since 4.3
45       */
46      public AbstractContentBody(final ContentType contentType) {
47          super();
48          Args.notNull(contentType, "Content type");
49          this.contentType = contentType;
50      }
51  
52      /**
53       * @deprecated (4.3) use {@link AbstractContentBody#AbstractContentBody(ContentType)}
54       */
55      @Deprecated
56      public AbstractContentBody(final String mimeType) {
57          this(ContentType.parse(mimeType));
58      }
59  
60      /**
61       * @since 4.3
62       */
63      public ContentType getContentType() {
64          return this.contentType;
65      }
66  
67      @Override
68      public String getMimeType() {
69          return this.contentType.getMimeType();
70      }
71  
72      @Override
73      public String getMediaType() {
74          final String mimeType = this.contentType.getMimeType();
75          final int i = mimeType.indexOf('/');
76          if (i != -1) {
77              return mimeType.substring(0, i);
78          } else {
79              return mimeType;
80          }
81      }
82  
83      @Override
84      public String getSubType() {
85          final String mimeType = this.contentType.getMimeType();
86          final int i = mimeType.indexOf('/');
87          if (i != -1) {
88              return mimeType.substring(i + 1);
89          } else {
90              return null;
91          }
92      }
93  
94      @Override
95      public String getCharset() {
96          final Charset charset = this.contentType.getCharset();
97          return charset != null ? charset.name() : null;
98      }
99  
100 }