svn-gvsig-desktop / branches / v2_0_0_prep / extensions / org.gvsig.installer / org.gvsig.installer.lib / org.gvsig.installer.lib.impl / src / main / java / org / gvsig / installer / lib / impl / creation / Compress.java @ 32285
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1 | 32269 | jpiera | /* gvSIG. Geographic Information System of the Valencian Government
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2 | *
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3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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4 | * of the Valencian Government (CIT)
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 2
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | */
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22 | |||
23 | /*
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24 | * AUTHORS (In addition to CIT):
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25 | * 2010 {Prodevelop} {Task}
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26 | */
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27 | |||
28 | package org.gvsig.installer.lib.impl.creation; |
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29 | |||
30 | import java.io.BufferedInputStream; |
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31 | import java.io.BufferedOutputStream; |
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32 | import java.io.File; |
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33 | import java.io.FileInputStream; |
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34 | import java.io.IOException; |
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35 | import java.io.OutputStream; |
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36 | import java.util.ArrayList; |
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37 | import java.util.List; |
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38 | import java.util.zip.ZipEntry; |
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39 | import java.util.zip.ZipOutputStream; |
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40 | |||
41 | import org.gvsig.installer.lib.api.creation.InstallerCreationServiceException; |
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42 | import org.slf4j.Logger; |
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43 | import org.slf4j.LoggerFactory; |
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44 | |||
45 | /**
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46 | * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera Llodrá</a>
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47 | */
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48 | public class Compress { |
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49 | static final int BUFFER = 2048; |
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50 | private static final Logger logger = LoggerFactory.getLogger(Compress.class); |
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51 | |||
52 | public void compressPlugin(File file, OutputStream os) throws InstallerCreationServiceException { |
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53 | ArrayList<File> files = new ArrayList<File>(); |
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54 | files.add(file); |
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55 | compressPlugins(files, os); |
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56 | } |
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57 | |||
58 | public void compressPlugins(List<File> files, OutputStream os) throws InstallerCreationServiceException { |
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59 | try{
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60 | ZipOutputStream zos = new ZipOutputStream(new BufferedOutputStream(os)); |
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61 | byte[] buf = new byte[1024]; |
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62 | int len;
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63 | |||
64 | for (int i=0 ; i<files.size() ; i++){ |
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65 | File file = files.get(i);
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66 | |||
67 | int parentFileLenght = file.getParentFile().toString().length();
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68 | String pluginName = file.toString().substring(parentFileLenght, file.toString().length());
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69 | |||
70 | //ZipEntry zipEntry = new ZipEntry(pluginName + "kk");
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71 | //zos.putNextEntry(zipEntry);
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72 | |||
73 | |||
74 | //ZipOutputStream zosPlugin = new ZipOutputStream(zos);
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75 | compressPluginFile(file, parentFileLenght, new ZipOutputStream(zos)); |
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76 | |||
77 | //zos.closeEntry();
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78 | |||
79 | |||
80 | } |
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81 | zos.close(); |
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82 | } catch (Exception e) { |
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83 | logger.error("Error compressing the plugin");
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84 | throw new InstallerCreationServiceException("Error writing the plugin", e); |
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85 | } |
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86 | } |
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87 | |||
88 | |||
89 | private void compressPluginFile(File file, int parenFileLength, ZipOutputStream zos) throws IOException { |
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90 | if (file.isDirectory()) {
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91 | String[] fileNames = file.list(); |
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92 | if (fileNames != null) { |
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93 | for (int i=0; i<fileNames.length; i++) { |
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94 | compressPluginFile(new File(file, fileNames[i]), parenFileLength, zos); |
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95 | } |
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96 | } |
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97 | }else{
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98 | byte[] buf = new byte[1024]; |
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99 | int len;
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100 | |||
101 | String fileName = file.toString().substring(parenFileLength, file.toString().length());
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102 | ZipEntry zipEntry = new ZipEntry(fileName); |
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103 | FileInputStream fin = new FileInputStream(file); |
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104 | BufferedInputStream in = new BufferedInputStream(fin); |
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105 | zos.putNextEntry(zipEntry); |
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106 | while ((len = in.read(buf)) >= 0) { |
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107 | zos.write(buf, 0, len);
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108 | } |
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109 | in.close(); |
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110 | zos.closeEntry(); |
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111 | } |
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112 | } |
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113 | } |