01: /**
02: * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
03: *
04: * Permission is hereby granted, free of charge, to any person obtaining a copy
05: * of this software and associated documentation files (the "Software"), to deal
06: * in the Software without restriction, including without limitation the rights
07: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
08: * copies of the Software, and to permit persons to whom the Software is
09: * furnished to do so, subject to the following conditions:
10: *
11: * The above copyright notice and this permission notice shall be included in
12: * all copies or substantial portions of the Software.
13: *
14: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15: * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17: * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19: * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20: * SOFTWARE.
21: */package com.liferay.portal.kernel.zip;
22:
23: import com.liferay.portal.kernel.util.ByteArrayMaker;
24: import com.liferay.portal.kernel.util.StringMaker;
25:
26: import java.io.BufferedInputStream;
27: import java.io.BufferedOutputStream;
28: import java.io.ByteArrayInputStream;
29: import java.io.IOException;
30: import java.io.Serializable;
31:
32: import java.util.zip.ZipEntry;
33: import java.util.zip.ZipOutputStream;
34:
35: /**
36: * <a href="ZipWriter.java.html"><b><i>View Source</i></b></a>
37: *
38: * @author Brian Wing Shun Chan
39: *
40: */
41: public class ZipWriter implements Serializable {
42:
43: public ZipWriter() {
44: _bam = new ByteArrayMaker();
45: _zos = new ZipOutputStream(new BufferedOutputStream(_bam));
46: }
47:
48: public void addEntry(String name, StringMaker sm)
49: throws IOException {
50: addEntry(name, sm.toString());
51: }
52:
53: public void addEntry(String name, String s) throws IOException {
54: addEntry(name, s.getBytes());
55: }
56:
57: public void addEntry(String name, byte[] byteArray)
58: throws IOException {
59: ZipEntry entry = new ZipEntry(name);
60:
61: _zos.putNextEntry(entry);
62:
63: BufferedInputStream bis = new BufferedInputStream(
64: new ByteArrayInputStream(byteArray), _BUFFER);
65:
66: int count;
67:
68: while ((count = bis.read(_data, 0, _BUFFER)) != -1) {
69: _zos.write(_data, 0, count);
70: }
71:
72: bis.close();
73: }
74:
75: public byte[] finish() throws IOException {
76: _zos.close();
77:
78: return _bam.toByteArray();
79: }
80:
81: private static final int _BUFFER = 2048;
82:
83: private ByteArrayMaker _bam;
84: private ZipOutputStream _zos;
85: private byte[] _data = new byte[_BUFFER];
86:
87: }
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