Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
XZ |
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| 1.0;1 |
1 | /** | |
2 | * Distribution License: | |
3 | * JSword is free software; you can redistribute it and/or modify it under | |
4 | * the terms of the GNU Lesser General Public License, version 2.1 or later | |
5 | * as published by the Free Software Foundation. This program is distributed | |
6 | * in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even | |
7 | * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
8 | * See the GNU Lesser General Public License for more details. | |
9 | * | |
10 | * The License is available on the internet at: | |
11 | * http://www.gnu.org/copyleft/lgpl.html | |
12 | * or by writing to: | |
13 | * Free Software Foundation, Inc. | |
14 | * 59 Temple Place - Suite 330 | |
15 | * Boston, MA 02111-1307, USA | |
16 | * | |
17 | * © CrossWire Bible Society, 2014 - 2016 | |
18 | * | |
19 | */ | |
20 | package org.crosswire.common.compress; | |
21 | ||
22 | import java.io.BufferedInputStream; | |
23 | import java.io.ByteArrayOutputStream; | |
24 | import java.io.IOException; | |
25 | import java.io.InputStream; | |
26 | ||
27 | import org.apache.commons.compress.compressors.CompressorInputStream; | |
28 | import org.apache.commons.compress.compressors.CompressorOutputStream; | |
29 | import org.apache.commons.compress.compressors.xz.XZCompressorInputStream; | |
30 | import org.apache.commons.compress.compressors.xz.XZCompressorOutputStream; | |
31 | import org.apache.commons.compress.utils.IOUtils; | |
32 | ||
33 | /** | |
34 | * XZ manages the compression and uncompression of XZ data. | |
35 | * | |
36 | * @see gnu.lgpl.License The GNU Lesser General Public License for details. | |
37 | * @author DM Smith | |
38 | */ | |
39 | public class XZ extends AbstractCompressor { | |
40 | /** | |
41 | * Create a GZip that is capable of transforming the input. | |
42 | * | |
43 | * @param input | |
44 | * to compress or uncompress. | |
45 | */ | |
46 | public XZ(InputStream input) { | |
47 | 0 | super(input); |
48 | 0 | } |
49 | ||
50 | /* (non-Javadoc) | |
51 | * @see org.crosswire.common.compress.Compressor#compress() | |
52 | */ | |
53 | public ByteArrayOutputStream compress() throws IOException { | |
54 | 0 | BufferedInputStream in = new BufferedInputStream(input); |
55 | 0 | ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
56 | 0 | CompressorOutputStream out = new XZCompressorOutputStream(bos); |
57 | 0 | IOUtils.copy(in, out); |
58 | 0 | in.close(); |
59 | 0 | out.flush(); |
60 | 0 | out.close(); |
61 | 0 | return bos; |
62 | } | |
63 | ||
64 | /* (non-Javadoc) | |
65 | * @see org.crosswire.common.compress.Compressor#uncompress() | |
66 | */ | |
67 | public ByteArrayOutputStream uncompress() throws IOException { | |
68 | 0 | return uncompress(BUF_SIZE); |
69 | } | |
70 | ||
71 | /* (non-Javadoc) | |
72 | * @see org.crosswire.common.compress.Compressor#uncompress(int) | |
73 | */ | |
74 | public ByteArrayOutputStream uncompress(int expectedLength) throws IOException { | |
75 | 0 | ByteArrayOutputStream out = new ByteArrayOutputStream(expectedLength); |
76 | 0 | CompressorInputStream in = new XZCompressorInputStream(input); |
77 | 0 | IOUtils.copy(in, out); |
78 | 0 | in.close(); |
79 | 0 | out.flush(); |
80 | 0 | out.close(); |
81 | 0 | return out; |
82 | } | |
83 | ||
84 | } |