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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.client.entity;
29  
30  import java.io.IOException;
31  import java.io.InputStream;
32  import java.util.zip.GZIPInputStream;
33  
34  import org.apache.http.annotation.Contract;
35  import org.apache.http.annotation.ThreadingBehavior;
36  
37  /**
38   * {@link InputStreamFactory} for handling GZIPContent Coded responses.
39   *
40   * @since 4.5.4
41   */
42  @Contract(threading = ThreadingBehavior.IMMUTABLE)
43  public class GZIPInputStreamFactory implements InputStreamFactory {
44  
45      /**
46       * Singleton instance.
47       */
48      private static final GZIPInputStreamFactoryamFactory.html#GZIPInputStreamFactory">GZIPInputStreamFactory INSTANCE = new GZIPInputStreamFactory();
49  
50      /**
51       * Gets the singleton instance.
52       *
53       * @return the singleton instance.
54       */
55      public static GZIPInputStreamFactory getInstance() {
56          return INSTANCE;
57      }
58  
59      @Override
60      public InputStream create(final InputStream inputStream) throws IOException {
61          return new GZIPInputStream(inputStream);
62      }
63  
64  }