Mercurial > dive4elements > framework
annotate artifacts-common/src/main/java/de/intevation/artifacts/common/utils/FileTools.java @ 453:a2efc9d65a11 2.9.8
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author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Fri, 28 Dec 2012 13:32:32 +0100 |
parents | b79a3598818c |
children | afbe26bb9895 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2010, 2011 by Intevation GmbH |
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3 * |
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4 * This program is free software under the LGPL (>=v2.1) |
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5 * Read the file LGPL.txt coming with the software for details |
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6 * or visit http://www.gnu.org/licenses/ if it does not exist. |
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7 */ |
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8 package de.intevation.artifacts.common.utils; |
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9 |
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10 import java.io.BufferedInputStream; |
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11 import java.io.File; |
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12 import java.io.IOException; |
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13 import java.io.InputStream; |
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14 import java.io.FileInputStream; |
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15 import java.io.FileOutputStream; |
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16 import java.io.OutputStream; |
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17 import java.io.BufferedOutputStream; |
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18 import java.nio.channels.FileChannel; |
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19 |
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20 import java.util.Deque; |
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21 import java.util.ArrayDeque; |
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22 import java.util.List; |
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23 import java.util.Set; |
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24 import java.util.HashSet; |
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25 import java.util.ArrayList; |
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26 import java.util.Enumeration; |
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27 import java.util.zip.ZipFile; |
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28 import java.util.zip.ZipEntry; |
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29 import java.util.zip.ZipOutputStream; |
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30 |
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31 import org.apache.log4j.Logger; |
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32 |
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33 import java.security.MessageDigest; |
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34 import java.security.NoSuchAlgorithmException; |
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35 |
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36 public class FileTools |
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37 { |
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38 private static Logger log = Logger.getLogger(FileTools.class); |
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39 |
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40 public static final String DIGEST = |
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41 System.getProperty("artifacts.common.file.cmp.digest", "MD5"); |
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42 |
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43 private FileTools() { |
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44 } |
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45 |
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46 |
452
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47 /** Remove everything after dot from name. */ |
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48 public static final String removeExtension(String name) { |
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49 int index = name.lastIndexOf('.'); |
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50 return index == -1 |
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51 ? name |
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52 : name.substring(0, index); |
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53 } |
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54 |
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55 |
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56 public static File getDirectory(String path, String name) { |
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57 if (path == null || name == null) { |
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58 return null; |
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59 } |
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60 |
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61 File dir = new File(path, name); |
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62 |
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63 if (!dir.exists()) { |
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64 log.debug( |
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65 "Directory '" + dir.getAbsolutePath() + "' doesn't " + |
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66 "exist. Try to create it."); |
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67 |
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68 return dir.mkdir() ? dir : null; |
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69 } |
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70 else { |
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71 return dir.isDirectory() ? dir : null; |
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72 } |
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73 } |
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74 |
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75 public static File repair(File file) { |
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76 file = file.getAbsoluteFile(); |
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77 if (file.exists()) { |
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78 return file; |
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79 } |
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80 Deque<String> parts = new ArrayDeque<String>(); |
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81 File curr = file; |
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82 while (curr != null) { |
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83 String name = curr.getName(); |
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84 if (name.length() > 0) { |
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85 parts.push(curr.getName()); |
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86 } |
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87 curr = curr.getParentFile(); |
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88 } |
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89 |
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90 curr = null; |
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91 OUTER: while (!parts.isEmpty()) { |
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92 String f = parts.pop(); |
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93 log.debug("fixing: '" + f + "'"); |
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94 if (curr == null) { |
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95 // XXX: Not totaly correct because there |
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96 // more than one root on none unix systems. |
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97 for (File root: File.listRoots()) { |
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98 File [] files = root.listFiles(); |
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99 if (files == null) { |
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100 log.warn("cannot list '" + root); |
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101 continue; |
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102 } |
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103 for (File candidate: files) { |
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104 if (candidate.getName().equalsIgnoreCase(f)) { |
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105 curr = new File(root, candidate.getName()); |
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106 continue OUTER; |
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107 } |
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108 } |
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109 } |
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110 break; |
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111 } |
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112 else { |
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113 File [] files = curr.listFiles(); |
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114 if (files == null) { |
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115 log.warn("cannot list: '" + curr + "'"); |
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116 return file; |
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117 } |
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118 for (File candidate: files) { |
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119 if (candidate.getName().equalsIgnoreCase(f)) { |
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120 curr = new File(curr, candidate.getName()); |
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121 continue OUTER; |
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122 } |
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123 } |
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124 curr = null; |
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125 break; |
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126 } |
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127 } |
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128 |
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129 if (curr == null) { |
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130 log.warn("cannot repair path '" + file + "'"); |
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131 return file; |
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132 } |
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133 |
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134 return curr; |
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135 } |
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136 |
453 | 137 /** Object that can calculate hash of file, compare two hashed files etc. */ |
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138 public static class HashedFile |
329
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139 implements Comparable<HashedFile> |
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140 { |
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141 protected File file; |
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142 protected long length; |
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143 protected byte [] hash; |
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144 |
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145 public HashedFile(File file) { |
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146 this.file = file; |
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147 length = file.length(); |
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148 } |
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149 |
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150 public File getFile() { |
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151 return file; |
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152 } |
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153 |
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154 protected byte [] getHash() { |
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155 if (hash == null) { |
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156 InputStream in = null; |
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157 |
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158 try { |
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159 in = new FileInputStream(file); |
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160 |
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161 MessageDigest digest = MessageDigest.getInstance(DIGEST); |
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162 |
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163 byte [] buf = new byte[40*1024]; |
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164 int r; |
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165 |
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166 while ((r = in.read(buf)) >= 0) { |
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167 digest.update(buf, 0, r); |
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168 } |
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169 |
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170 hash = digest.digest(); |
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171 } |
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172 catch (IOException ioe) { |
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173 log.error(ioe); |
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174 hash = new byte[0]; |
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175 } |
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176 catch (NoSuchAlgorithmException nsae) { |
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177 log.error(nsae); |
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178 hash = new byte[0]; |
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179 } |
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180 finally { |
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181 if (in != null) { |
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182 try { |
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183 in.close(); |
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184 } |
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185 catch (IOException ioe) { |
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186 log.error(ioe); |
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187 } |
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188 } |
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189 } |
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190 } |
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191 return hash; |
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192 } |
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193 |
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194 @Override |
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195 public int compareTo(HashedFile other) { |
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196 if (length < other.length) return -1; |
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197 if (length > other.length) return +1; |
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198 return compare(getHash(), other.getHash()); |
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199 } |
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200 |
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201 private static int compare(byte [] a, byte [] b) { |
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202 if (a.length < b.length) return -1; |
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203 if (a.length > b.length) return +1; |
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204 for (int i = 0; i < a.length; ++i) { |
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205 int x = a[i] & 0xff; |
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206 int y = b[i] & 0xff; |
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207 if (x < y) return -1; |
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208 if (x > y) return +1; |
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209 } |
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210 return 0; |
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211 } |
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212 |
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213 @Override |
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214 public boolean equals(Object other) { |
394
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Removed trailing whitespace.
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|
215 return other instanceof HashedFile |
329
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216 && ((HashedFile)other).compareTo(this) == 0; |
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217 } |
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218 |
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219 @Override |
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220 public int hashCode() { |
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221 return (int)(length ^ (length >>> 32)); |
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222 } |
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223 } // class HashedFile |
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224 |
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225 public static List<File> uniqueFiles(List<File> files) { |
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226 |
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227 Set<HashedFile> set = new HashSet<HashedFile>(); |
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228 |
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229 for (File file: files) { |
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230 if (!set.add(new HashedFile(file))) { |
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231 log.warn("file '" + file + "' is a duplicate."); |
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232 } |
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233 } |
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234 |
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235 ArrayList<File> out = new ArrayList<File>(set.size()); |
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236 for (HashedFile hf: set) { |
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237 out.add(hf.file); |
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238 } |
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239 |
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240 return out; |
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241 } |
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242 |
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243 public interface FileVisitor { |
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244 boolean visit(File file); |
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245 } // Visitor |
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246 |
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247 public static void walkTree(File root, FileVisitor visitor) { |
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248 |
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249 Deque<File> stack = new ArrayDeque<File>(); |
329
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250 |
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251 stack.push(root); |
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252 |
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253 while (!stack.isEmpty()) { |
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254 File current = stack.pop(); |
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255 if (!visitor.visit(current)) break; |
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256 if (current.isDirectory()) { |
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257 File [] subs = current.listFiles(); |
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258 if (subs != null) { |
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259 for (File f: subs) { |
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260 stack.push(f); |
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261 } |
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262 } |
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263 } |
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264 } |
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265 } |
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266 |
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267 /** |
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268 * Deletes everything in a directory. |
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269 * |
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270 * @param dir The directory. |
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271 */ |
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272 public final static void deleteContent(File dir) { |
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273 if (dir == null || !dir.isDirectory()) { |
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274 return; |
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275 } |
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276 |
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277 File[] files = dir.listFiles(); |
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278 if (files != null) { |
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279 for (File file: files) { |
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280 deleteRecursive(file); |
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281 } |
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282 } |
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283 |
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284 return; |
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285 } |
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286 |
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287 /** |
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288 * Delete <i>file</i> and everything in <i>file</i> if it is a directory. |
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289 * |
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290 * @param file The file or directory. |
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291 * @return true, if deletion was successful - otherwise false. |
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292 */ |
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293 public final static boolean deleteRecursive(File file) { |
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294 |
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295 if (file == null) { |
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296 return false; |
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297 } |
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298 |
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299 if (file.isDirectory()) { |
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300 File [] files = file.listFiles(); |
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301 if (files != null) { |
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302 for (File sub: files) { |
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303 if (!deleteRecursive(sub)) { |
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304 return false; |
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305 } |
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306 } |
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307 } |
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308 } |
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309 |
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310 return file.delete(); |
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311 } |
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312 |
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313 /** |
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314 * Put the given file or directory into a zip archive. |
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315 * |
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316 * @param file The file or directory. |
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317 * @param outputStream The stream to write the archive to. |
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318 * @throws IOException if an error occured while zip creation or writing to |
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319 * output stream. |
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320 */ |
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321 public static void createZipArchive( |
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322 File file, |
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323 OutputStream outputStream |
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324 ) |
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325 throws IOException |
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326 { |
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327 ZipOutputStream out = new ZipOutputStream(outputStream); |
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328 |
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329 if (file.isFile()) { |
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330 copyFileToZip("", file, out); |
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331 } |
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332 else if (file.isDirectory()) { |
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333 |
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334 Deque<PrefixDir> stack = new ArrayDeque<PrefixDir>(); |
329
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335 stack.push(new PrefixDir(file.getName() + "/", file)); |
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336 |
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337 while (!stack.isEmpty()) { |
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338 PrefixDir pd = stack.pop(); |
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339 |
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340 ZipEntry dirEntry = new ZipEntry(pd.prefix); |
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341 out.putNextEntry(dirEntry); |
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342 out.closeEntry(); |
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343 |
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344 File [] files = pd.dir.listFiles(); |
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345 if (files != null) { |
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346 for (File sub: files) { |
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347 if (sub.isDirectory()) { |
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348 stack.push(new PrefixDir( |
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349 pd.prefix + sub.getName() + "/", |
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350 sub)); |
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351 } |
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352 else if (sub.isFile()) { |
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353 copyFileToZip(pd.prefix, sub, out); |
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354 } |
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355 } |
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356 } |
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357 } |
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358 } |
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359 |
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360 out.finish(); |
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361 } |
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362 |
383
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363 |
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364 public static void extractArchive(File archive, File destDir) |
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365 throws IOException { |
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366 if (!destDir.exists()) { |
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367 destDir.mkdir(); |
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368 } |
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369 |
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370 ZipFile zipFile = new ZipFile(archive); |
435
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371 try { |
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372 Enumeration<? extends ZipEntry> entries = zipFile.entries(); |
383
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373 |
435
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374 byte [] buffer = new byte[16384]; |
383
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375 |
435
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376 while (entries.hasMoreElements()) { |
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377 ZipEntry entry = entries.nextElement(); |
383
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378 |
435
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379 String entryFileName = entry.getName(); |
383
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380 |
435
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381 File dir = buildDirectoryHierarchyFor(entryFileName, destDir); |
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382 if (!dir.exists()) { |
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383 dir.mkdirs(); |
383
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384 } |
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385 |
435
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386 if (!entry.isDirectory()) { |
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387 BufferedInputStream bis = new BufferedInputStream( |
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388 zipFile.getInputStream(entry)); |
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389 try { |
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390 BufferedOutputStream bos = new BufferedOutputStream( |
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391 new FileOutputStream(new File(destDir, entryFileName))); |
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392 |
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393 try { |
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394 int len; |
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395 while ((len = bis.read(buffer)) > 0) { |
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396 bos.write(buffer, 0, len); |
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397 } |
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398 bos.flush(); |
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399 } |
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400 finally { |
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401 bos.close(); |
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402 } |
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|
403 } |
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Fixed small problem with extractiong zip files.
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|
404 finally { |
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405 bis.close(); |
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Fixed small problem with extractiong zip files.
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|
406 } |
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407 } // is file |
383
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408 } |
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|
409 } |
435
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Fixed small problem with extractiong zip files.
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diff
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|
410 finally { |
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Fixed small problem with extractiong zip files.
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|
411 zipFile.close(); |
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Fixed small problem with extractiong zip files.
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|
412 } |
383
b076c9e9fdfd
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413 } |
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414 |
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415 private static File buildDirectoryHierarchyFor( |
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416 String entryName, |
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417 File destDir) |
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418 { |
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419 int lastIndex = entryName.lastIndexOf('/'); |
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420 String internalPathToEntry = entryName.substring(0, lastIndex + 1); |
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421 return new File(destDir, internalPathToEntry); |
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422 } |
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423 |
329
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Inserted a new utility class FileTools to work with files.
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|
424 /** |
666417d5781c
Inserted a new utility class FileTools to work with files.
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|
425 * A class representing a directory with a prefix. |
666417d5781c
Inserted a new utility class FileTools to work with files.
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|
426 */ |
666417d5781c
Inserted a new utility class FileTools to work with files.
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|
427 private static final class PrefixDir { |
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Inserted a new utility class FileTools to work with files.
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|
428 |
666417d5781c
Inserted a new utility class FileTools to work with files.
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|
429 String prefix; |
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Inserted a new utility class FileTools to work with files.
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|
430 File dir; |
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Inserted a new utility class FileTools to work with files.
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|
431 |
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Inserted a new utility class FileTools to work with files.
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|
432 public PrefixDir(String prefix, File dir) { |
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433 this.prefix = prefix; |
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|
434 this.dir = dir; |
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Inserted a new utility class FileTools to work with files.
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parents:
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|
435 } |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
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|
436 |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
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|
437 } // class PrefixDir |
666417d5781c
Inserted a new utility class FileTools to work with files.
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|
438 |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
diff
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|
439 /** |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
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|
440 * Write a file to zip archive. |
666417d5781c
Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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|
441 * |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
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|
442 * @param prefix A prefix. |
666417d5781c
Inserted a new utility class FileTools to work with files.
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443 * @param file The file. |
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Inserted a new utility class FileTools to work with files.
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|
444 * @param out The output stream. |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
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|
445 * @throws IOException if an error occured while writing to zip output |
666417d5781c
Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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|
446 * stream. |
666417d5781c
Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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changeset
|
447 */ |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
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|
448 private static void copyFileToZip( |
666417d5781c
Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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|
449 String prefix, |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
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|
450 File file, |
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Inserted a new utility class FileTools to work with files.
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|
451 ZipOutputStream out |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
diff
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|
452 ) |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
diff
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|
453 throws IOException |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
diff
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|
454 { |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
diff
changeset
|
455 String entryName = prefix + file.getName(); |
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Inserted a new utility class FileTools to work with files.
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diff
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|
456 ZipEntry entry = new ZipEntry(entryName); |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
diff
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|
457 out.putNextEntry(entry); |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
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|
458 InputStream in = null; |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
diff
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|
459 try { |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
diff
changeset
|
460 in = |
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Inserted a new utility class FileTools to work with files.
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parents:
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|
461 new BufferedInputStream( |
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Inserted a new utility class FileTools to work with files.
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|
462 new FileInputStream(file), 20*1024); |
666417d5781c
Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
463 |
666417d5781c
Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
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|
464 byte [] buf = new byte[2048]; |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
diff
changeset
|
465 |
666417d5781c
Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
466 int r; |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
diff
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|
467 while ((r = in.read(buf)) > 0) { |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
diff
changeset
|
468 out.write(buf, 0, r); |
666417d5781c
Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
469 } |
666417d5781c
Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
470 } |
666417d5781c
Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
471 finally { |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
diff
changeset
|
472 if (in != null) { |
666417d5781c
Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
473 try { in.close(); } |
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Inserted a new utility class FileTools to work with files.
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474 catch (IOException ioe) {} |
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Inserted a new utility class FileTools to work with files.
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parents:
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|
475 } |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
diff
changeset
|
476 } |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
diff
changeset
|
477 out.closeEntry(); |
666417d5781c
Inserted a new utility class FileTools to work with files.
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parents:
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|
478 } |
364
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Added new FileTools functions to copy files and directories.
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479 |
0723859f776f
Added new FileTools functions to copy files and directories.
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diff
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|
480 |
0723859f776f
Added new FileTools functions to copy files and directories.
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diff
changeset
|
481 /** |
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|
482 * Copies a <i>src</i> file to <i>target</i>. |
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Added new FileTools functions to copy files and directories.
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|
483 * |
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|
484 * @param src A file (not a directory) that should be copied. |
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485 * @param target The destination. This might be a file or a directory. |
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Added new FileTools functions to copy files and directories.
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486 * |
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487 * @return true, if <i>src</i> has been successfully copied; otherwise |
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Added new FileTools functions to copy files and directories.
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488 * false. |
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Added new FileTools functions to copy files and directories.
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|
489 */ |
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490 public static boolean copyFile(File src, File target) |
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Added new FileTools functions to copy files and directories.
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491 throws IOException |
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Added new FileTools functions to copy files and directories.
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492 { |
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|
493 if (src == null || !src.exists()) { |
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494 log.warn("Source file does not exist!"); |
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495 return false; |
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496 } |
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|
497 |
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498 if (!src.canRead()) { |
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499 log.warn("Cannot read Source file!"); |
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500 return false; |
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|
501 } |
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|
502 |
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503 if (src.isDirectory()) { |
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504 log.warn("Source is a directory!"); |
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505 return false; |
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|
506 } |
0723859f776f
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|
507 |
0723859f776f
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|
508 if (target.isDirectory()) { |
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Added new FileTools functions to copy files and directories.
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509 target = new File(target, src.getName()); |
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510 } |
0723859f776f
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|
511 |
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diff
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|
512 FileInputStream in = null; |
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513 FileOutputStream out = null; |
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Added new FileTools functions to copy files and directories.
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514 |
0723859f776f
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|
515 try { |
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516 in = new FileInputStream(src); |
0723859f776f
Added new FileTools functions to copy files and directories.
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|
517 out = new FileOutputStream(target); |
0723859f776f
Added new FileTools functions to copy files and directories.
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|
518 |
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parents:
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|
519 FileChannel inChannel = in.getChannel(); |
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|
520 FileChannel outChannel = out.getChannel(); |
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|
521 |
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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|
522 inChannel.transferTo(0l, inChannel.size(), outChannel); |
0723859f776f
Added new FileTools functions to copy files and directories.
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diff
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|
523 |
0723859f776f
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diff
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|
524 return true; |
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Added new FileTools functions to copy files and directories.
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parents:
329
diff
changeset
|
525 } |
0723859f776f
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parents:
329
diff
changeset
|
526 catch (IOException ioe) { |
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parents:
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|
527 log.warn(ioe, ioe); |
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Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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|
528 } |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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|
529 finally { |
0723859f776f
Added new FileTools functions to copy files and directories.
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diff
changeset
|
530 if (in != null) { |
0723859f776f
Added new FileTools functions to copy files and directories.
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diff
changeset
|
531 try { |
0723859f776f
Added new FileTools functions to copy files and directories.
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329
diff
changeset
|
532 in.close(); |
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Added new FileTools functions to copy files and directories.
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parents:
329
diff
changeset
|
533 } |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
534 catch (IOException ioe) { /* do nothing here */ } |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
535 } |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
536 |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
537 if (out != null) { |
0723859f776f
Added new FileTools functions to copy files and directories.
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parents:
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diff
changeset
|
538 try { |
0723859f776f
Added new FileTools functions to copy files and directories.
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parents:
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diff
changeset
|
539 out.close(); |
0723859f776f
Added new FileTools functions to copy files and directories.
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parents:
329
diff
changeset
|
540 } |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
541 catch (IOException ioe) { /* do nothing here */ } |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
542 } |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
543 } |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
544 |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
545 return false; |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
546 } |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
547 |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
548 |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
549 /** |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
550 * Copies a directory <i>source</i> to a destination path <i>dest</i>. |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
551 * |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
552 * @param source A directory that should be copied. |
0723859f776f
Added new FileTools functions to copy files and directories.
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parents:
329
diff
changeset
|
553 * @param dest A destination directory which is created if it is not |
0723859f776f
Added new FileTools functions to copy files and directories.
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parents:
329
diff
changeset
|
554 * existing yet. |
0723859f776f
Added new FileTools functions to copy files and directories.
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parents:
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diff
changeset
|
555 * |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
556 * @return true, if the directory has been successfully copied; otherwise |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
557 * false. |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
558 */ |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
559 public static boolean copyDirectory(final File source, final File dest) { |
0723859f776f
Added new FileTools functions to copy files and directories.
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parents:
329
diff
changeset
|
560 if (source == null || !source.exists()) { |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
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|
561 log.warn("Source directory does not exist!"); |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
562 return false; |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
563 } |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
564 |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
565 if (!source.isDirectory()) { |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
566 log.warn("Source is not a directory!"); |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
567 return false; |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
568 } |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
569 |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
570 if (dest == null) { |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
571 log.warn("Destination directory is null!"); |
0723859f776f
Added new FileTools functions to copy files and directories.
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parents:
329
diff
changeset
|
572 return false; |
0723859f776f
Added new FileTools functions to copy files and directories.
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parents:
329
diff
changeset
|
573 } |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
574 |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
575 if (!dest.exists()) { |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
576 if (!dest.mkdir()) { |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
577 log.warn("Cannot create destination directory!"); |
0723859f776f
Added new FileTools functions to copy files and directories.
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diff
changeset
|
578 return false; |
0723859f776f
Added new FileTools functions to copy files and directories.
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329
diff
changeset
|
579 } |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
580 } |
0723859f776f
Added new FileTools functions to copy files and directories.
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parents:
329
diff
changeset
|
581 |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
582 File[] children = source.listFiles(); |
0723859f776f
Added new FileTools functions to copy files and directories.
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parents:
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diff
changeset
|
583 int failed = 0; |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
584 |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
585 if (children != null && children.length > 0) { |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
586 for (File child: children) { |
0723859f776f
Added new FileTools functions to copy files and directories.
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parents:
329
diff
changeset
|
587 if (child.isFile()) { |
0723859f776f
Added new FileTools functions to copy files and directories.
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329
diff
changeset
|
588 try { |
0723859f776f
Added new FileTools functions to copy files and directories.
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parents:
329
diff
changeset
|
589 if (!copyFile(child, dest)) { |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
590 failed++; |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
591 } |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
592 } |
0723859f776f
Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
329
diff
changeset
|
593 catch (IOException ioe) { |
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594 log.warn(ioe, ioe); |
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595 failed++; |
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596 } |
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597 } |
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598 else if (child.isDirectory()) { |
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599 copyDirectory(child, new File(dest, child.getName())); |
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600 } |
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601 } |
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602 } |
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603 |
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604 log.debug("Failed to copy " + failed + " files."); |
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605 |
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606 return true; |
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607 } |
329
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608 } |
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609 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |