1 /*
2 * Copyright (c) 2002-2014, Mairie de Paris
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice
10 * and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright notice
13 * and the following disclaimer in the documentation and/or other materials
14 * provided with the distribution.
15 *
16 * 3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 *
32 * License 1.0
33 */
34 package fr.paris.lutece.plugins.dila.utils.http;
35
36 import org.apache.http.Header;
37 import org.apache.http.HeaderElement;
38 import org.apache.http.HttpEntity;
39 import org.apache.http.HttpException;
40 import org.apache.http.HttpResponse;
41 import org.apache.http.HttpResponseInterceptor;
42 import org.apache.http.protocol.HttpContext;
43
44 import java.io.IOException;
45
46
47 /**
48 * {@link HttpResponseInterceptor} to accept bzip2 content
49 *
50 */
51 public class HttpResponseInterceptorBzip2 implements HttpResponseInterceptor
52 {
53 @Override
54 public void process( HttpResponse response, HttpContext context )
55 throws HttpException, IOException
56 {
57 HttpEntity entity = response.getEntity( );
58
59 if ( entity != null )
60 {
61 Header ceheader = entity.getContentEncoding( );
62
63 if ( ceheader != null )
64 {
65 HeaderElement[] codecs = ceheader.getElements( );
66
67 for ( int i = 0; i < codecs.length; i++ )
68 {
69 if ( codecs[i].getName( ).equalsIgnoreCase( "x-bzip2" ) )
70 {
71 response.setEntity( new Bzip2Entity( response.getEntity( ) ) );
72
73 return;
74 }
75 }
76 }
77 }
78 }
79 }