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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.hc.client5.http.entity;
28  
29  import org.apache.hc.core5.http.HttpEntity;
30  
31  /**
32   * {@link org.apache.hc.core5.http.io.entity.HttpEntityWrapper} responsible for
33   * handling deflate Content Coded responses. In RFC2616 terms, {@code deflate}
34   * means a {@code zlib} stream as defined in RFC1950. Some server
35   * implementations have misinterpreted RFC2616 to mean that a
36   * {@code deflate} stream as defined in RFC1951 should be used
37   * (or maybe they did that since that's how IE behaves?). It's confusing
38   * that {@code deflate} in HTTP 1.1 means {@code zlib} streams
39   * rather than {@code deflate} streams. We handle both types in here,
40   * since that's what is seen on the internet. Moral - prefer
41   * {@code gzip}!
42   *
43   * @see GzipDecompressingEntity
44   *
45   * @since 4.1
46   */
47  public class DeflateDecompressingEntity extends DecompressingEntity {
48  
49      /**
50       * Creates a new {@link DeflateDecompressingEntity} which will wrap the specified
51       * {@link HttpEntity}.
52       *
53       * @param entity
54       *            a non-null {@link HttpEntity} to be wrapped
55       */
56      public DeflateDecompressingEntity(final HttpEntity entity) {
57          super(entity, DeflateInputStreamFactory.getInstance());
58      }
59  
60  }