1 /* ZNet - Java Compression Layer for a new Socket Factory
2 Copyright (C) 1999, Free Software Rulez
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17
18 The author of this program may be contacted at morgiaclaudio@yahoo.it. */
19
20 package java.net;
21
22 import java.util.zip;
23
24 /**
25 * This interface models the common methods that every decompressor must provide
26 * in order to be used as a "plugin" into the decompression layer.
27 * The interface scheme is based on the {@link java.util.zip.Inflater Inflater}
28 * class, the standard decompression engine available in every JVM.
29 * If you want to provide a new decompression engine, you have to implement this
30 * interface and pass the class name as the property <b>decompressor</b>:<br>
31 * java -Ddecompressor=java.net.InflatingDecompressor ....
32 * @see java.net.InflatingDecompressor
33 * @author <a href="mailto:morgiaclaudio@yahoo.it">Claudio Morgia</a>
34 * @version 1.0
35 */
36 public interface Decompressor {
37 /**
38 * @see java.util.zip.Inflater#end() end()
39 */
40 public void end();
41
42 /**
43 * @see java.util.zip.Inflater#finished() finished()
44 */
45 public boolean finished();
46
47 /**
48 * @see java.util.zip.Inflater#getAdler() getAdler()
49 */
50 public int getAdler();
51
52 /**
53 * @see java.util.zip.Inflater#getRemaining() getRemaining()
54 */
55 public int getRemaining();
56
57 /**
58 * @see java.util.zip.Inflater#getTotalIn() getTotalIn()
59 */
60 public int getTotalIn();
61
62 /**
63 * @see java.util.zip.Inflater#getTotalOut() getTotalOut()
64 */
65 public int getTotalOut();
66
67 /**
68 * @see java.util.zip.Inflater#inflate(byte[]) inflate(byte[])
69 */
70 public int inflate(byte[] b) throws DataFormatException;
71
72 /**
73 * @see java.util.zip.Inflater#inflate(byte[],int,int) inflate(byte[],int,int)
74 */
75 public int inflate(byte[] b, int off, int len) throws DataFormatException;
76
77 /**
78 * @see java.util.zip.Inflater#needsDictionary needsDictionary()
79 */
80 public boolean needsDictionary();
81
82 /**
83 * @see java.util.zip.Inflater#needsInput() needsInput()
84 */
85 public boolean needsInput();
86
87 /**
88 * @see java.util.zip.Inflater#reset() reset()
89 */
90 public void reset();
91
92 /**
93 * @see java.util.zip.Inflater#setDictionary(byte[]) setDictionary(byte[])
94 */
95 public void setDictionary(byte[] dic);
96
97 /**
98 * @see java.util.zip.Inflater#setDictionary(byte[],int,int) setDictionary(byte[],int,int)
99 */
100 public void setDictionary(byte[] dic, int off, int len);
101
102 /**
103 * @see java.util.zip.Inflater#setInput(byte[]) setInput(byte[])
104 */
105 public void setInput(byte[] b);
106
107 /**
108 * @see java.util.zip.Inflater#setInput(byte[],int,int) setInput(byte[],int,int)
109 */
110 public void setInput(byte[] b, int off, int len);
111 }
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