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Java > Open Source Codes > org > netbeans > lib > cvsclient > connection > GzipModifier


1 /*****************************************************************************
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14
15  * The Original Software is the CVS Client Library.
16  * The Initial Developer of the Original Software is Robert Greig.
17  * Portions created by Robert Greig are Copyright (C) 2000.
18  * All Rights Reserved.
19
20  * Contributor(s): Robert Greig.
21  *****************************************************************************/
22 package org.netbeans.lib.cvsclient.connection;
23
24 import java.io.*;
25 import java.util.zip.*;
26
27 import org.netbeans.lib.cvsclient.util.*;
28
29 /**
30  * This class modifies a connection by gzipping all client/server communication
31  * @author Robert Greig
32  */
33 public class GzipModifier extends Object JavaDoc implements ConnectionModifier {
34     /**
35      * Creates new GzipModifier
36      */
37     public GzipModifier() {
38     }
39
40     public void modifyInputStream(LoggedDataInputStream ldis)
41             throws IOException {
42 // System.err.println("Setting the underlying stream for the IS");
43 GZIPInputStream gzis = new GZIPInputStream(ldis.
44                                                    getUnderlyingStream());
45 // System.err.println("Finished constructing the gzipinputstream");
46 ldis.setUnderlyingStream(gzis);
47     }
48
49     public void modifyOutputStream(LoggedDataOutputStream ldos)
50             throws IOException {
51 // System.err.println("Setting the underlying stream for the OS");
52 ldos.setUnderlyingStream(new GZIPOutputStream(ldos.
53                                                       getUnderlyingStream()));
54     }
55 }
56
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