annotate artifacts-common/src/main/java/de/intevation/artifacts/common/utils/FileTools.java @ 383:b076c9e9fdfd

Added method to extract zip archives to a specified directory. artifacts/trunk@4293 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Raimund Renkert <raimund.renkert@intevation.de>
date Wed, 25 Apr 2012 07:47:56 +0000
parents c489256a188b
children c40729bfe06d
rev   line source
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666417d5781c Inserted a new utility class FileTools to work with files.
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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
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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
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47 public static File getDirectory(String path, String name) {
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48 if (path == null || name == null) {
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49 return null;
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50 }
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51
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52 File dir = new File(path, name);
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53
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54 if (!dir.exists()) {
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55 log.debug(
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56 "Directory '" + dir.getAbsolutePath() + "' doesn't " +
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57 "exist. Try to create it.");
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58
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59 return dir.mkdir() ? dir : null;
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60 }
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61 else {
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62 return dir.isDirectory() ? dir : null;
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63 }
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64 }
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65
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66 public static File repair(File file) {
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67 file = file.getAbsoluteFile();
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68 if (file.exists()) {
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69 return file;
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70 }
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71 Deque<String> parts = new ArrayDeque<String>();
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72 File curr = file;
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73 while (curr != null) {
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74 String name = curr.getName();
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75 if (name.length() > 0) {
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76 parts.push(curr.getName());
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77 }
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78 curr = curr.getParentFile();
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79 }
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80
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81 curr = null;
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82 OUTER: while (!parts.isEmpty()) {
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83 String f = parts.pop();
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84 log.debug("fixing: '" + f + "'");
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85 if (curr == null) {
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86 // XXX: Not totaly correct because there
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87 // more than one root on none unix systems.
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88 for (File root: File.listRoots()) {
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89 File [] files = root.listFiles();
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90 if (files == null) {
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91 log.warn("cannot list '" + root);
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92 continue;
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93 }
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94 for (File candidate: files) {
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95 if (candidate.getName().equalsIgnoreCase(f)) {
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96 curr = new File(root, candidate.getName());
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97 continue OUTER;
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98 }
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99 }
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100 }
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101 break;
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102 }
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103 else {
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104 File [] files = curr.listFiles();
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105 if (files == null) {
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106 log.warn("cannot list: '" + curr + "'");
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107 return file;
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108 }
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109 for (File candidate: files) {
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110 if (candidate.getName().equalsIgnoreCase(f)) {
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111 curr = new File(curr, candidate.getName());
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112 continue OUTER;
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113 }
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114 }
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115 curr = null;
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116 break;
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117 }
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118 }
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119
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120 if (curr == null) {
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121 log.warn("cannot repair path '" + file + "'");
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122 return file;
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123 }
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124
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125 return curr;
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126 }
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127
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128 public static class HashedFile
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129 implements Comparable<HashedFile>
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130 {
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131 protected File file;
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132 protected long length;
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133 protected byte [] hash;
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134
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135 public HashedFile(File file) {
666417d5781c Inserted a new utility class FileTools to work with files.
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136 this.file = file;
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137 length = file.length();
666417d5781c Inserted a new utility class FileTools to work with files.
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138 }
666417d5781c Inserted a new utility class FileTools to work with files.
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139
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140 public File getFile() {
666417d5781c Inserted a new utility class FileTools to work with files.
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141 return file;
666417d5781c Inserted a new utility class FileTools to work with files.
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142 }
666417d5781c Inserted a new utility class FileTools to work with files.
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143
666417d5781c Inserted a new utility class FileTools to work with files.
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144 protected byte [] getHash() {
666417d5781c Inserted a new utility class FileTools to work with files.
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145 if (hash == null) {
666417d5781c Inserted a new utility class FileTools to work with files.
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146 InputStream in = null;
666417d5781c Inserted a new utility class FileTools to work with files.
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147
666417d5781c Inserted a new utility class FileTools to work with files.
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148 try {
666417d5781c Inserted a new utility class FileTools to work with files.
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149 in = new FileInputStream(file);
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150
666417d5781c Inserted a new utility class FileTools to work with files.
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151 MessageDigest digest = MessageDigest.getInstance(DIGEST);
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152
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153 byte [] buf = new byte[40*1024];
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154 int r;
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155
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156 while ((r = in.read(buf)) >= 0) {
666417d5781c Inserted a new utility class FileTools to work with files.
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157 digest.update(buf, 0, r);
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158 }
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159
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160 hash = digest.digest();
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161 }
666417d5781c Inserted a new utility class FileTools to work with files.
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162 catch (IOException ioe) {
666417d5781c Inserted a new utility class FileTools to work with files.
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163 log.error(ioe);
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164 hash = new byte[0];
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165 }
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166 catch (NoSuchAlgorithmException nsae) {
666417d5781c Inserted a new utility class FileTools to work with files.
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167 log.error(nsae);
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168 hash = new byte[0];
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169 }
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170 finally {
666417d5781c Inserted a new utility class FileTools to work with files.
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171 if (in != null) {
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172 try {
666417d5781c Inserted a new utility class FileTools to work with files.
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173 in.close();
666417d5781c Inserted a new utility class FileTools to work with files.
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174 }
666417d5781c Inserted a new utility class FileTools to work with files.
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175 catch (IOException ioe) {
666417d5781c Inserted a new utility class FileTools to work with files.
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176 log.error(ioe);
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177 }
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178 }
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179 }
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180 }
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181 return hash;
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182 }
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183
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184 @Override
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185 public int compareTo(HashedFile other) {
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186 if (length < other.length) return -1;
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187 if (length > other.length) return +1;
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188 return compare(getHash(), other.getHash());
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189 }
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190
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191 private static int compare(byte [] a, byte [] b) {
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192 if (a.length < b.length) return -1;
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193 if (a.length > b.length) return +1;
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194 for (int i = 0; i < a.length; ++i) {
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195 int x = a[i] & 0xff;
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196 int y = b[i] & 0xff;
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197 if (x < y) return -1;
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198 if (x > y) return +1;
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199 }
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200 return 0;
666417d5781c Inserted a new utility class FileTools to work with files.
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201 }
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202
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203 @Override
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204 public boolean equals(Object other) {
666417d5781c Inserted a new utility class FileTools to work with files.
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205 return other instanceof HashedFile
666417d5781c Inserted a new utility class FileTools to work with files.
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206 && ((HashedFile)other).compareTo(this) == 0;
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207 }
666417d5781c Inserted a new utility class FileTools to work with files.
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208
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209 @Override
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210 public int hashCode() {
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
211 return (int)(length ^ (length >>> 32));
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212 }
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213 } // class HashedFile
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214
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diff changeset
215 public static List<File> uniqueFiles(List<File> files) {
666417d5781c Inserted a new utility class FileTools to work with files.
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216
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
217 Set<HashedFile> set = new HashSet<HashedFile>();
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218
666417d5781c Inserted a new utility class FileTools to work with files.
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219 for (File file: files) {
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
220 if (!set.add(new HashedFile(file))) {
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
221 log.warn("file '" + file + "' is a duplicate.");
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222 }
666417d5781c Inserted a new utility class FileTools to work with files.
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223 }
666417d5781c Inserted a new utility class FileTools to work with files.
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224
666417d5781c Inserted a new utility class FileTools to work with files.
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225 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
226 for (HashedFile hf: set) {
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
227 out.add(hf.file);
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
228 }
666417d5781c Inserted a new utility class FileTools to work with files.
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229
666417d5781c Inserted a new utility class FileTools to work with files.
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230 return out;
666417d5781c Inserted a new utility class FileTools to work with files.
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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 public interface FileVisitor {
666417d5781c Inserted a new utility class FileTools to work with files.
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234 boolean visit(File file);
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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235 } // Visitor
666417d5781c Inserted a new utility class FileTools to work with files.
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236
666417d5781c Inserted a new utility class FileTools to work with files.
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237 public static void walkTree(File root, FileVisitor visitor) {
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238
369
c489256a188b Replaced legacy java.util.Stack with java.util.Deque.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 364
diff changeset
239 Deque<File> stack = new ArrayDeque<File>();
329
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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diff changeset
241 stack.push(root);
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
242
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
243 while (!stack.isEmpty()) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
244 File current = stack.pop();
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
245 if (!visitor.visit(current)) break;
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
246 if (current.isDirectory()) {
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
247 File [] subs = current.listFiles();
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
248 if (subs != null) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
249 for (File f: subs) {
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
250 stack.push(f);
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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252 }
666417d5781c Inserted a new utility class FileTools to work with files.
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253 }
666417d5781c Inserted a new utility class FileTools to work with files.
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254 }
666417d5781c Inserted a new utility class FileTools to work with files.
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255 }
666417d5781c Inserted a new utility class FileTools to work with files.
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256
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
257 /**
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258 * Deletes everything in a directory.
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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259 *
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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260 * @param dir The directory.
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
261 */
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
262 public final static void deleteContent(File dir) {
666417d5781c Inserted a new utility class FileTools to work with files.
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parents:
diff changeset
263 if (dir == null || !dir.isDirectory()) {
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parents:
diff changeset
264 return;
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:
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266
666417d5781c Inserted a new utility class FileTools to work with files.
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267 File[] files = dir.listFiles();
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268 if (files != null) {
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
269 for (File file: files) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
270 deleteRecursive(file);
666417d5781c Inserted a new utility class FileTools to work with files.
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parents:
diff changeset
271 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
272 }
666417d5781c Inserted a new utility class FileTools to work with files.
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273
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
274 return;
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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275 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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276
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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277 /**
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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278 * 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>
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279 *
666417d5781c Inserted a new utility class FileTools to work with files.
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280 * @param file The file or directory.
666417d5781c Inserted a new utility class FileTools to work with files.
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281 * @return true, if deletion was successful - otherwise false.
666417d5781c Inserted a new utility class FileTools to work with files.
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282 */
666417d5781c Inserted a new utility class FileTools to work with files.
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283 public final static boolean deleteRecursive(File file) {
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284
666417d5781c Inserted a new utility class FileTools to work with files.
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285 if (file == null) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
286 return false;
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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287 }
666417d5781c Inserted a new utility class FileTools to work with files.
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288
666417d5781c Inserted a new utility class FileTools to work with files.
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diff changeset
289 if (file.isDirectory()) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
290 File [] files = file.listFiles();
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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291 if (files != null) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
292 for (File sub: files) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
293 if (!deleteRecursive(sub)) {
666417d5781c Inserted a new utility class FileTools to work with files.
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294 return false;
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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295 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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296 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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297 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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298 }
666417d5781c Inserted a new utility class FileTools to work with files.
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299
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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300 return file.delete();
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
301 }
666417d5781c Inserted a new utility class FileTools to work with files.
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302
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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303 /**
666417d5781c Inserted a new utility class FileTools to work with files.
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304 * 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>
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305 *
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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306 * @param file The file or directory.
666417d5781c Inserted a new utility class FileTools to work with files.
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307 * @param outputStream The stream to write the archive to.
666417d5781c Inserted a new utility class FileTools to work with files.
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parents:
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308 * @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:
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309 * output stream.
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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310 */
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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311 public static void createZipArchive(
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
312 File file,
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
313 OutputStream outputStream
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 throws IOException
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
316 {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
317 ZipOutputStream out = new ZipOutputStream(outputStream);
666417d5781c Inserted a new utility class FileTools to work with files.
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318
666417d5781c Inserted a new utility class FileTools to work with files.
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parents:
diff changeset
319 if (file.isFile()) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
320 copyFileToZip("", file, out);
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
321 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
322 else if (file.isDirectory()) {
666417d5781c Inserted a new utility class FileTools to work with files.
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parents:
diff changeset
323
369
c489256a188b Replaced legacy java.util.Stack with java.util.Deque.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 364
diff changeset
324 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
325 stack.push(new PrefixDir(file.getName() + "/", file));
666417d5781c Inserted a new utility class FileTools to work with files.
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parents:
diff changeset
326
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
327 while (!stack.isEmpty()) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
328 PrefixDir pd = stack.pop();
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
329
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
330 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
331 out.putNextEntry(dirEntry);
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
332 out.closeEntry();
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
333
666417d5781c Inserted a new utility class FileTools to work with files.
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parents:
diff changeset
334 File [] files = pd.dir.listFiles();
666417d5781c Inserted a new utility class FileTools to work with files.
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parents:
diff changeset
335 if (files != null) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
336 for (File sub: files) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
337 if (sub.isDirectory()) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
338 stack.push(new PrefixDir(
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
339 pd.prefix + sub.getName() + "/",
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
340 sub));
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
341 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
342 else if (sub.isFile()) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
343 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
344 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
345 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
346 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
347 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
348 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
349
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
350 out.finish();
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
351 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
352
383
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
353
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
354 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
355 throws IOException {
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
356 if (!destDir.exists()) {
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
357 destDir.mkdir();
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
358 }
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
359
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
360 ZipFile zipFile = new ZipFile(archive);
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
361 Enumeration entries = zipFile.entries();
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 byte[] buffer = new byte[16384];
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
364 int len;
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
365 while (entries.hasMoreElements()) {
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
366 ZipEntry entry = (ZipEntry) entries.nextElement();
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 String entryFileName = entry.getName();
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
369
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
370 File dir = dir = buildDirectoryHierarchyFor(entryFileName, destDir);
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
371 if (!dir.exists()) {
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
372 dir.mkdirs();
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
373 }
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
374
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
375 if (!entry.isDirectory()) {
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
376 BufferedOutputStream bos = new BufferedOutputStream(
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
377 new FileOutputStream(new File(destDir, entryFileName)));
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
378
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
379 BufferedInputStream bis = new BufferedInputStream(zipFile
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
380 .getInputStream(entry));
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
381
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
382 while ((len = bis.read(buffer)) > 0) {
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
383 bos.write(buffer, 0, len);
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
384 }
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
385
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
386 bos.flush();
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
387 bos.close();
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
388 bis.close();
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
389 }
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
390 }
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
391 zipFile.close();
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
392 }
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
393
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
394 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
395 String entryName,
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
396 File destDir)
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
397 {
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
398 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
399 String entryFileName = entryName.substring(lastIndex + 1);
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
400 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
401 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
402 }
b076c9e9fdfd Added method to extract zip archives to a specified directory.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 369
diff changeset
403
329
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
404 /**
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
405 * 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
406 */
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
407 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
408
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
409 String prefix;
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
410 File dir;
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
411
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
412 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
413 this.prefix = prefix;
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
414 this.dir = dir;
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
415 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
416
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
417 } // class PrefixDir
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
418
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
419 /**
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
420 * 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
421 *
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
422 * @param prefix A prefix.
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
423 * @param file The file.
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
424 * @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
425 * @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
426 * stream.
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 private static void copyFileToZip(
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
429 String prefix,
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
430 File file,
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
431 ZipOutputStream out
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
432 )
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
433 throws IOException
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 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
436 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
437 out.putNextEntry(entry);
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
438 InputStream in = null;
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
439 try {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
440 in =
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
441 new BufferedInputStream(
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
442 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
443
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
444 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
445
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
446 int r;
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
447 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
448 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
449 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
450 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
451 finally {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
452 if (in != null) {
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
453 try { in.close(); }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
454 catch (IOException ioe) {}
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
455 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
456 }
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
457 out.closeEntry();
666417d5781c Inserted a new utility class FileTools to work with files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
458 }
364
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
459
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
460
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
461 /**
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
462 * 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
463 *
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
464 * @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
465 * @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
466 *
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
467 * @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
468 * false.
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
469 */
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
470 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
471 throws IOException
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
472 {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
473 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
474 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
475 return false;
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
476 }
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
477
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
478 if (!src.canRead()) {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
479 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
480 return false;
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
481 }
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 if (src.isDirectory()) {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
484 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
485 return false;
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
486 }
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
487
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
488 if (target.isDirectory()) {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
489 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
490 }
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 FileInputStream in = null;
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
493 FileOutputStream out = null;
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
494
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
495 try {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
496 in = new FileInputStream(src);
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
497 out = new FileOutputStream(target);
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
498
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
499 FileChannel inChannel = in.getChannel();
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
500 FileChannel outChannel = out.getChannel();
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 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
503
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
504 return true;
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 catch (IOException ioe) {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
507 log.warn(ioe, ioe);
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
508 }
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
509 finally {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
510 if (in != null) {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
511 try {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
512 in.close();
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 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
515 }
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
516
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
517 if (out != null) {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
518 try {
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
519 out.close();
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 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
522 }
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
523 }
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 return false;
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
526 }
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
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
529 /**
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
530 * 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
531 *
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
532 * @param source 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
533 * @param dest A destination directory which is created if it is not
0723859f776f Added new FileTools functions to copy files and directories.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 329
diff changeset
534 * existing yet.
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 * @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: 329
diff changeset
537 * false.
0723859f776f Added new FileTools functions to copy files and directories.
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538 */
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539 public static boolean copyDirectory(final File source, final File dest) {
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540 if (source == null || !source.exists()) {
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541 log.warn("Source directory does not exist!");
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542 return false;
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543 }
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544
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545 if (!source.isDirectory()) {
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546 log.warn("Source is not a directory!");
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547 return false;
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548 }
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549
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550 if (dest == null) {
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551 log.warn("Destination directory is null!");
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552 return false;
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553 }
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554
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555 if (!dest.exists()) {
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556 if (!dest.mkdir()) {
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557 log.warn("Cannot create destination directory!");
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558 return false;
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559 }
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560 }
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561
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562 File[] children = source.listFiles();
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563 int failed = 0;
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564
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565 if (children != null && children.length > 0) {
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566 for (File child: children) {
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567 if (child.isFile()) {
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568 try {
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569 if (!copyFile(child, dest)) {
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570 failed++;
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571 }
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572 }
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573 catch (IOException ioe) {
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574 log.warn(ioe, ioe);
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575 failed++;
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576 }
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577 }
0723859f776f Added new FileTools functions to copy files and directories.
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578 else if (child.isDirectory()) {
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579 copyDirectory(child, new File(dest, child.getName()));
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580 }
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581 }
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582 }
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583
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584 log.debug("Failed to copy " + failed + " files.");
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585
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586 return true;
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587 }
329
666417d5781c Inserted a new utility class FileTools to work with files.
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parents:
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588 }
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589 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

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