View Javadoc

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.nio.entity;
29  
30  import org.apache.http.Header;
31  import org.apache.http.HttpEntity;
32  import org.apache.http.entity.BasicHttpEntity;
33  import org.apache.http.nio.util.ContentInputBuffer;
34  import org.apache.http.util.Args;
35  
36  /**
37   * HTTP entity wrapper whose content is provided by a
38   * {@link ContentInputBuffer}.
39   *
40   * @since 4.0
41   */
42  public class ContentBufferEntity extends BasicHttpEntity {
43  
44      private final HttpEntity wrappedEntity;
45  
46      /**
47       * Creates new instance of ContentBufferEntity.
48       *
49       * @param entity the original entity.
50       * @param buffer the content buffer.
51       */
52      public ContentBufferEntity(final HttpEntity entity, final ContentInputBuffer buffer) {
53          super();
54          Args.notNull(entity, "HTTP entity");
55          this.wrappedEntity = entity;
56          setContent(new ContentInputStream(buffer));
57      }
58  
59      @Override
60      public boolean isChunked() {
61          return this.wrappedEntity.isChunked();
62      }
63  
64      @Override
65      public long getContentLength() {
66          return this.wrappedEntity.getContentLength();
67      }
68  
69      @Override
70      public Header getContentType() {
71          return this.wrappedEntity.getContentType();
72      }
73  
74      @Override
75      public Header getContentEncoding() {
76          return this.wrappedEntity.getContentEncoding();
77      }
78  
79  }