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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.client;
28  
29  import org.apache.http.annotation.ThreadSafe;
30  import org.apache.http.client.protocol.RequestAcceptEncoding;
31  import org.apache.http.client.protocol.ResponseContentEncoding;
32  import org.apache.http.conn.ClientConnectionManager;
33  import org.apache.http.params.HttpParams;
34  import org.apache.http.protocol.BasicHttpProcessor;
35  
36  /**
37   * {@link DefaultHttpClient} sub-class which includes a {@link RequestAcceptEncoding}
38   * for the request and response.
39   *
40   * <b>Deprecation note:</b> due to the way this class modifies a response body
41   * without changing the response headers to reflect the entity changes, it cannot
42   * be used as the &quot;backend&quot; for a caching {@link
43   * org.apache.http.client.HttpClient} and still have uncompressed responses be cached.
44   * Users are encouraged to use the {@link DecompressingHttpClient} instead
45   * of this class, which can be wired in either before or after caching, depending on
46   * whether you want to cache responses in compressed or uncompressed form.
47   *
48   * @since 4.1
49   *
50   * @deprecated (4.2) use {@link HttpClientBuilder}
51   */
52  @Deprecated
53  @ThreadSafe // since DefaultHttpClient is
54  public class ContentEncodingHttpClient extends DefaultHttpClient {
55  
56      /**
57       * Creates a new HTTP client from parameters and a connection manager.
58       *
59       * @param params    the parameters
60       * @param conman    the connection manager
61       */
62      public ContentEncodingHttpClient(final ClientConnectionManager conman, final HttpParams params) {
63          super(conman, params);
64      }
65  
66      /**
67       * @param params
68       */
69      public ContentEncodingHttpClient(final HttpParams params) {
70          this(null, params);
71      }
72  
73      /**
74       *
75       */
76      public ContentEncodingHttpClient() {
77          this(null);
78      }
79  
80      /**
81       * {@inheritDoc}
82       */
83      @Override
84      protected BasicHttpProcessor createHttpProcessor() {
85          final BasicHttpProcessor result = super.createHttpProcessor();
86  
87          result.addRequestInterceptor(new RequestAcceptEncoding());
88          result.addResponseInterceptor(new ResponseContentEncoding());
89  
90          return result;
91      }
92  
93  }