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.annotation.NotThreadSafe;
33 import org.apache.http.entity.BasicHttpEntity;
34 import org.apache.http.nio.util.ContentInputBuffer;
35
36 /**
37 * HTTP entity wrapper whose content is provided by a
38 * {@link ContentInputBuffer}.
39 *
40 * @since 4.0
41 */
42 @NotThreadSafe
43 public class ContentBufferEntity extends BasicHttpEntity {
44
45 private HttpEntity wrappedEntity;
46
47 /**
48 * Creates new instance of ContentBufferEntity.
49 *
50 * @param entity the original entity.
51 * @param buffer the content buffer.
52 */
53 public ContentBufferEntity(final HttpEntity entity, final ContentInputBuffer buffer) {
54 super();
55 if (entity == null) {
56 throw new IllegalArgumentException("HTTP entity may not be null");
57 }
58 this.wrappedEntity = entity;
59 setContent(new ContentInputStream(buffer));
60 }
61
62 @Override
63 public boolean isChunked() {
64 return this.wrappedEntity.isChunked();
65 }
66
67 @Override
68 public long getContentLength() {
69 return this.wrappedEntity.getContentLength();
70 }
71
72 @Override
73 public Header getContentType() {
74 return this.wrappedEntity.getContentType();
75 }
76
77 @Override
78 public Header getContentEncoding() {
79 return this.wrappedEntity.getContentEncoding();
80 }
81
82 }