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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.util.zip.Deflater;
31  
32  import org.apache.http.Consts;
33  import org.apache.http.HttpEntity;
34  import org.apache.http.entity.ByteArrayEntity;
35  import org.apache.http.util.EntityUtils;
36  import org.junit.Assert;
37  import org.junit.Test;
38  
39  public class TestDeflate {
40  
41      @Test
42      public void testCompressDecompress() throws Exception {
43  
44          final String s = "some kind of text";
45          final byte[] input = s.getBytes(Consts.ASCII);
46  
47          // Compress the bytes
48          final byte[] compressed = new byte[input.length * 2];
49          final Deflater compresser = new Deflater();
50          compresser.setInput(input);
51          compresser.finish();
52          final int len = compresser.deflate(compressed);
53  
54          final HttpEntity entity = new DeflateDecompressingEntity(new ByteArrayEntity(compressed, 0, len));
55          Assert.assertEquals(s, EntityUtils.toString(entity));
56      }
57  
58  }