Mercurial > dive4elements > framework

annotate artifacts-common/src/main/java/de/intevation/artifacts/common/utils/FileTools.java @ 452:b79a3598818c

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FíleTools#removeExtension: Moved from PRFParser.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Fri, 28 Dec 2012 13:32:23 +0100
parents e39e23320a23
children a2efc9d65a11
rev   line source
329
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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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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0723859f776f Added new FileTools functions to copy files and directories.
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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
369
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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
b79a3598818c FíleTools#removeExtension: Moved from PRFParser.
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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
329
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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>();
329
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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
394
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137 public static class HashedFile
329
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138 implements Comparable<HashedFile>
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139 {
666417d5781c Inserted a new utility class FileTools to work with files.
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140 protected File file;
666417d5781c Inserted a new utility class FileTools to work with files.
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141 protected long length;
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142 protected byte [] hash;
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143
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144 public HashedFile(File file) {
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145 this.file = file;
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146 length = file.length();
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147 }
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148
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149 public File getFile() {
666417d5781c Inserted a new utility class FileTools to work with files.
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150 return file;
666417d5781c Inserted a new utility class FileTools to work with files.
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151 }
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152
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153 protected byte [] getHash() {
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154 if (hash == null) {
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155 InputStream in = null;
666417d5781c Inserted a new utility class FileTools to work with files.
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156
666417d5781c Inserted a new utility class FileTools to work with files.
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157 try {
666417d5781c Inserted a new utility class FileTools to work with files.
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158 in = new FileInputStream(file);
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159
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160 MessageDigest digest = MessageDigest.getInstance(DIGEST);
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161
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162 byte [] buf = new byte[40*1024];
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163 int r;
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164
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165 while ((r = in.read(buf)) >= 0) {
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166 digest.update(buf, 0, r);
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167 }
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168
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169 hash = digest.digest();
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170 }
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171 catch (IOException ioe) {
666417d5781c Inserted a new utility class FileTools to work with files.
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172 log.error(ioe);
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173 hash = new byte[0];
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174 }
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175 catch (NoSuchAlgorithmException nsae) {
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176 log.error(nsae);
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177 hash = new byte[0];
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178 }
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179 finally {
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180 if (in != null) {
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181 try {
666417d5781c Inserted a new utility class FileTools to work with files.
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182 in.close();
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183 }
666417d5781c Inserted a new utility class FileTools to work with files.
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184 catch (IOException ioe) {
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185 log.error(ioe);
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186 }
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187 }
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188 }
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189 }
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190 return hash;
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191 }
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192
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193 @Override
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194 public int compareTo(HashedFile other) {
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195 if (length < other.length) return -1;
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196 if (length > other.length) return +1;
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197 return compare(getHash(), other.getHash());
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198 }
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199
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200 private static int compare(byte [] a, byte [] b) {
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201 if (a.length < b.length) return -1;
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202 if (a.length > b.length) return +1;
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203 for (int i = 0; i < a.length; ++i) {
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204 int x = a[i] & 0xff;
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205 int y = b[i] & 0xff;
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206 if (x < y) return -1;
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207 if (x > y) return +1;
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208 }
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diff changeset
209 return 0;
666417d5781c Inserted a new utility class FileTools to work with files.
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210 }
666417d5781c Inserted a new utility class FileTools to work with files.
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211
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
212 @Override
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diff changeset
213 public boolean equals(Object other) {
394
c40729bfe06d Removed trailing whitespace.
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diff changeset
214 return other instanceof HashedFile
329
666417d5781c Inserted a new utility class FileTools to work with files.
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215 && ((HashedFile)other).compareTo(this) == 0;
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216 }
666417d5781c Inserted a new utility class FileTools to work with files.
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217
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diff changeset
218 @Override
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219 public int hashCode() {
666417d5781c Inserted a new utility class FileTools to work with files.
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220 return (int)(length ^ (length >>> 32));
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221 }
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222 } // class HashedFile
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223
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224 public static List<File> uniqueFiles(List<File> files) {
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225
666417d5781c Inserted a new utility class FileTools to work with files.
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226 Set<HashedFile> set = new HashSet<HashedFile>();
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227
666417d5781c Inserted a new utility class FileTools to work with files.
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228 for (File file: files) {
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
229 if (!set.add(new HashedFile(file))) {
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
230 log.warn("file '" + file + "' is a duplicate.");
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diff changeset
231 }
666417d5781c Inserted a new utility class FileTools to work with files.
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232 }
666417d5781c Inserted a new utility class FileTools to work with files.
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233
666417d5781c Inserted a new utility class FileTools to work with files.
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234 ArrayList<File> out = new ArrayList<File>(set.size());
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
235 for (HashedFile hf: set) {
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
236 out.add(hf.file);
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
237 }
666417d5781c Inserted a new utility class FileTools to work with files.
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238
666417d5781c Inserted a new utility class FileTools to work with files.
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239 return out;
666417d5781c Inserted a new utility class FileTools to work with files.
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240 }
666417d5781c Inserted a new utility class FileTools to work with files.
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241
666417d5781c Inserted a new utility class FileTools to work with files.
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242 public interface FileVisitor {
666417d5781c Inserted a new utility class FileTools to work with files.
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243 boolean visit(File file);
666417d5781c Inserted a new utility class FileTools to work with files.
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244 } // Visitor
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245
666417d5781c Inserted a new utility class FileTools to work with files.
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246 public static void walkTree(File root, FileVisitor visitor) {
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247
369
c489256a188b Replaced legacy java.util.Stack with java.util.Deque.
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diff changeset
248 Deque<File> stack = new ArrayDeque<File>();
329
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249
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diff changeset
250 stack.push(root);
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
251
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
252 while (!stack.isEmpty()) {
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
253 File current = stack.pop();
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
254 if (!visitor.visit(current)) break;
666417d5781c Inserted a new utility class FileTools to work with files.
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255 if (current.isDirectory()) {
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
256 File [] subs = current.listFiles();
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
257 if (subs != null) {
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
258 for (File f: subs) {
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
259 stack.push(f);
666417d5781c Inserted a new utility class FileTools to work with files.
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260 }
666417d5781c Inserted a new utility class FileTools to work with files.
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261 }
666417d5781c Inserted a new utility class FileTools to work with files.
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262 }
666417d5781c Inserted a new utility class FileTools to work with files.
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263 }
666417d5781c Inserted a new utility class FileTools to work with files.
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264 }
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
265
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
266 /**
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
267 * Deletes everything in a directory.
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
268 *
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
269 * @param dir The directory.
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
270 */
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
271 public final static void deleteContent(File dir) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
272 if (dir == null || !dir.isDirectory()) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
273 return;
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
274 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
275
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
276 File[] files = dir.listFiles();
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
277 if (files != null) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
278 for (File file: files) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
279 deleteRecursive(file);
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
280 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
281 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
282
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
283 return;
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
284 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
285
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
286 /**
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
287 * Delete <i>file</i> and everything in <i>file</i> if it is a directory.
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
288 *
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
289 * @param file The file or directory.
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
290 * @return true, if deletion was successful - otherwise false.
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
291 */
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
292 public final static boolean deleteRecursive(File file) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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293
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
294 if (file == null) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
295 return false;
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
296 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
297
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
298 if (file.isDirectory()) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
299 File [] files = file.listFiles();
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
300 if (files != null) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
301 for (File sub: files) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
302 if (!deleteRecursive(sub)) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
303 return false;
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
304 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
305 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
306 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
307 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
308
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
309 return file.delete();
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
310 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
311
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
312 /**
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
313 * Put the given file or directory into a zip archive.
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
314 *
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
315 * @param file The file or directory.
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
316 * @param outputStream The stream to write the archive to.
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
317 * @throws IOException if an error occured while zip creation or writing to
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
318 * output stream.
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
319 */
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
320 public static void createZipArchive(
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
321 File file,
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
322 OutputStream outputStream
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
323 )
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
324 throws IOException
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
325 {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
326 ZipOutputStream out = new ZipOutputStream(outputStream);
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
327
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
328 if (file.isFile()) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
329 copyFileToZip("", file, out);
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
330 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
331 else if (file.isDirectory()) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
332
369
c489256a188b Replaced legacy java.util.Stack with java.util.Deque.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 364
diff changeset
333 Deque<PrefixDir> stack = new ArrayDeque<PrefixDir>();
329
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
334 stack.push(new PrefixDir(file.getName() + "/", file));
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
335
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
336 while (!stack.isEmpty()) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
337 PrefixDir pd = stack.pop();
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
338
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
339 ZipEntry dirEntry = new ZipEntry(pd.prefix);
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
340 out.putNextEntry(dirEntry);
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
341 out.closeEntry();
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
342
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
343 File [] files = pd.dir.listFiles();
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
344 if (files != null) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
345 for (File sub: files) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
346 if (sub.isDirectory()) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
347 stack.push(new PrefixDir(
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
348 pd.prefix + sub.getName() + "/",
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
349 sub));
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
350 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
351 else if (sub.isFile()) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
352 copyFileToZip(pd.prefix, sub, out);
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
353 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
354 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
355 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
356 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
357 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
358
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
359 out.finish();
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
360 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
361
383
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
362
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
363 public static void extractArchive(File archive, File destDir)
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
364 throws IOException {
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
365 if (!destDir.exists()) {
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
366 destDir.mkdir();
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
367 }
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
368
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
369 ZipFile zipFile = new ZipFile(archive);
435
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
370 try {
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
371 Enumeration<? extends ZipEntry> entries = zipFile.entries();
383
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
372
435
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
373 byte [] buffer = new byte[16384];
383
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
374
435
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
375 while (entries.hasMoreElements()) {
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
376 ZipEntry entry = entries.nextElement();
383
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
377
435
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
378 String entryFileName = entry.getName();
383
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
379
435
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
380 File dir = buildDirectoryHierarchyFor(entryFileName, destDir);
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
381 if (!dir.exists()) {
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
382 dir.mkdirs();
383
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
383 }
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
384
435
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
385 if (!entry.isDirectory()) {
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
386 BufferedInputStream bis = new BufferedInputStream(
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
387 zipFile.getInputStream(entry));
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
388 try {
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
389 BufferedOutputStream bos = new BufferedOutputStream(
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
390 new FileOutputStream(new File(destDir, entryFileName)));
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
391
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
392 try {
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
393 int len;
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
394 while ((len = bis.read(buffer)) > 0) {
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
395 bos.write(buffer, 0, len);
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
396 }
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
397 bos.flush();
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
398 }
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
399 finally {
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
400 bos.close();
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
401 }
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
402 }
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
403 finally {
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
404 bis.close();
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
405 }
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
406 } // is file
383
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
407 }
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
408 }
435
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
409 finally {
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
410 zipFile.close();
e39e23320a23 Fixed small problem with extractiong zip files.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 394
diff changeset
411 }
383
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
412 }
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
413
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
414 private static File buildDirectoryHierarchyFor(
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
415 String entryName,
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
416 File destDir)
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
417 {
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
418 int lastIndex = entryName.lastIndexOf('/');
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
419 String internalPathToEntry = entryName.substring(0, lastIndex + 1);
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
420 return new File(destDir, internalPathToEntry);
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
421 }
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
422
329
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
423 /**
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
424 * A class representing a directory with a prefix.
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
425 */
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
426 private static final class PrefixDir {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
427
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
428 String prefix;
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
429 File dir;
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
430
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
431 public PrefixDir(String prefix, File dir) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
432 this.prefix = prefix;
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
433 this.dir = dir;
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
434 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
435
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
436 } // class PrefixDir
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
437
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
438 /**
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
439 * Write a file to zip archive.
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
440 *
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
441 * @param prefix A prefix.
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
442 * @param file The file.
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
443 * @param out The output stream.
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
444 * @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:
diff changeset
445 * stream.
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
446 */
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
447 private static void copyFileToZip(
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
448 String prefix,
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
449 File file,
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
450 ZipOutputStream out
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
451 )
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
452 throws IOException
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
453 {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
454 String entryName = prefix + file.getName();
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
455 ZipEntry entry = new ZipEntry(entryName);
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
456 out.putNextEntry(entry);
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
457 InputStream in = null;
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
458 try {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
459 in =
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
460 new BufferedInputStream(
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
461 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
462
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
463 byte [] buf = new byte[2048];
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
464
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
465 int r;
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
466 while ((r = in.read(buf)) > 0) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
467 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
468 }
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 finally {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
471 if (in != null) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
472 try { in.close(); }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
473 catch (IOException ioe) {}
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
474 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
475 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
476 out.closeEntry();
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
477 }
364
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
478
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
479
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
480 /**
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
481 * Copies a <i>src</i> file to <i>target</i>.
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
482 *
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
483 * @param src A file (not a directory) that should be copied.
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
484 * @param target The destination. This might be a file or a directory.
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
485 *
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
486 * @return true, if <i>src</i> has been successfully copied; otherwise
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
487 * false.
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
488 */
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
489 public static boolean copyFile(File src, File target)
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
490 throws IOException
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
491 {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
492 if (src == null || !src.exists()) {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
493 log.warn("Source file does not exist!");
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
494 return false;
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
495 }
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
496
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
497 if (!src.canRead()) {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
498 log.warn("Cannot read Source file!");
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
499 return false;
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
500 }
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
501
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
502 if (src.isDirectory()) {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
503 log.warn("Source is a directory!");
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
504 return false;
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
505 }
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
506
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
507 if (target.isDirectory()) {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
508 target = new File(target, src.getName());
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
509 }
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
510
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
511 FileInputStream in = null;
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
512 FileOutputStream out = null;
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
513
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
514 try {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
515 in = new FileInputStream(src);
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
516 out = new FileOutputStream(target);
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
517
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
518 FileChannel inChannel = in.getChannel();
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
519 FileChannel outChannel = out.getChannel();
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
520
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
521 inChannel.transferTo(0l, inChannel.size(), outChannel);
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
522
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
523 return true;
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
524 }
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
525 catch (IOException ioe) {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
526 log.warn(ioe, ioe);
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
527 }
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
528 finally {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
529 if (in != null) {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
530 try {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
531 in.close();
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
532 }
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
533 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
534 }
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 if (out != null) {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
537 try {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
538 out.close();
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
539 }
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
540 catch (IOException ioe) { /* do nothing here */ }
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541 }
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542 }
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543
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544 return false;
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545 }
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546
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547
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548 /**
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549 * Copies a directory <i>source</i> to a destination path <i>dest</i>.
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550 *
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551 * @param source A directory that should be copied.
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552 * @param dest A destination directory which is created if it is not
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553 * existing yet.
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554 *
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555 * @return true, if the directory has been successfully copied; otherwise
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556 * false.
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557 */
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558 public static boolean copyDirectory(final File source, final File dest) {
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559 if (source == null || !source.exists()) {
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560 log.warn("Source directory does not exist!");
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561 return false;
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562 }
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563
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564 if (!source.isDirectory()) {
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565 log.warn("Source is not a directory!");
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566 return false;
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567 }
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568
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569 if (dest == null) {
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570 log.warn("Destination directory is null!");
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571 return false;
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572 }
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573
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574 if (!dest.exists()) {
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575 if (!dest.mkdir()) {
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576 log.warn("Cannot create destination directory!");
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577 return false;
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578 }
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579 }
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580
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581 File[] children = source.listFiles();
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582 int failed = 0;
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583
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584 if (children != null && children.length > 0) {
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585 for (File child: children) {
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586 if (child.isFile()) {
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587 try {
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588 if (!copyFile(child, dest)) {
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589 failed++;
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590 }
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591 }
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592 catch (IOException ioe) {
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593 log.warn(ioe, ioe);
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594 failed++;
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595 }
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596 }
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597 else if (child.isDirectory()) {
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598 copyDirectory(child, new File(dest, child.getName()));
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599 }
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600 }
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601 }
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602
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603 log.debug("Failed to copy " + failed + " files.");
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604
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605 return true;
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606 }
329
666417d5781c Inserted a new utility class FileTools to work with files.
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607 }
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608 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org