Mercurial > dive4elements > gnv-client
annotate gnv-artifacts/src/main/java/de/intevation/gnv/utils/FileUtils.java @ 522:c896282c2601
Issue 156 solved. Added width, height and points as parameter to svg and pdf output mode. Width and height have an effact on the width and height of the export, points is a boolean property which enables/disables the drawing of data points.
gnv-artifacts/trunk@616 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Mon, 25 Jan 2010 09:18:31 +0000 |
parents | 211cad2fb5ba |
children | eedad2ddad14 |
rev | line source |
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1 package de.intevation.gnv.utils; |
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2 |
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3 import java.io.BufferedInputStream; |
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4 import java.io.File; |
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5 import java.io.FileInputStream; |
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6 import java.io.IOException; |
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7 import java.io.InputStream; |
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8 import java.io.OutputStream; |
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9 |
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10 import java.util.Stack; |
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11 |
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12 import java.util.zip.ZipEntry; |
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13 import java.util.zip.ZipOutputStream; |
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14 |
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15 /** |
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16 * @author Sascha L. Teichmann (sascha.teichmann@intevation.de) |
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17 */ |
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18 public final class FileUtils |
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19 { |
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20 private FileUtils() { |
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21 } |
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22 |
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23 public final static boolean deleteRecursive(File file) { |
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24 |
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25 if (file == null) { |
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26 return false; |
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27 } |
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28 |
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29 if (file.isDirectory()) { |
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30 File [] files = file.listFiles(); |
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31 if (files != null) { |
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32 for (File sub: files) { |
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33 if (!deleteRecursive(sub)) { |
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34 return false; |
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35 } |
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36 } |
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37 } |
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38 } |
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39 |
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40 return file.delete(); |
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41 } |
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42 |
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43 public static void createZipArchive( |
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44 File file, |
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45 OutputStream outputStream |
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46 ) |
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47 throws IOException |
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48 { |
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49 ZipOutputStream out = new ZipOutputStream(outputStream); |
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50 |
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51 if (file.isFile()) { |
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52 copyFileToZip("", file, out); |
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53 } |
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54 else if (file.isDirectory()) { |
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55 |
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56 Stack<PrefixDir> stack = new Stack<PrefixDir>(); |
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57 stack.push(new PrefixDir(file.getName() + "/", file)); |
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58 |
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59 while (!stack.isEmpty()) { |
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60 PrefixDir pd = stack.pop(); |
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61 |
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62 ZipEntry dirEntry = new ZipEntry(pd.prefix); |
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63 out.putNextEntry(dirEntry); |
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64 out.closeEntry(); |
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65 |
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66 File [] files = pd.dir.listFiles(); |
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67 if (files != null) { |
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68 for (File sub: files) { |
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69 if (sub.isDirectory()) { |
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70 stack.push(new PrefixDir( |
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71 pd.prefix + sub.getName() + "/", |
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72 sub)); |
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73 } |
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74 else if (sub.isFile()) { |
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75 copyFileToZip(pd.prefix, sub, out); |
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76 } |
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77 } |
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78 } |
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79 } |
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80 } |
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81 |
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82 out.finish(); |
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83 } |
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84 |
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85 private static final class PrefixDir { |
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86 |
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87 String prefix; |
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88 File dir; |
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89 |
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90 public PrefixDir(String prefix, File dir) { |
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91 this.prefix = prefix; |
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92 this.dir = dir; |
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93 } |
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94 |
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95 } // class PrefixDir |
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96 |
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97 private static void copyFileToZip( |
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98 String prefix, |
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99 File file, |
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100 ZipOutputStream out |
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101 ) |
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102 throws IOException |
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103 { |
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104 String entryName = prefix + file.getName(); |
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105 ZipEntry entry = new ZipEntry(entryName); |
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106 out.putNextEntry(entry); |
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107 InputStream in = null; |
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108 try { |
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109 in = |
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110 new BufferedInputStream( |
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111 new FileInputStream(file), 20*1024); |
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112 |
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113 byte [] buf = new byte[2048]; |
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114 |
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115 int r; |
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116 while ((r = in.read(buf)) > 0) { |
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117 out.write(buf, 0, r); |
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118 } |
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119 } |
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120 finally { |
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121 if (in != null) { |
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122 try { in.close(); } |
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123 catch (IOException ioe) {} |
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124 } |
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125 } |
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126 out.closeEntry(); |
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127 } |
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128 } |
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129 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |