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| org.apache.jetspeed.util.DirectoryHelper |
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| 1 | /* |
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
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| 3 | * contributor license agreements. See the NOTICE file distributed with |
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| 4 | * this work for additional information regarding copyright ownership. |
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| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
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| 6 | * (the "License"); you may not use this file except in compliance with |
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| 7 | * the License. You may obtain a copy of the License at |
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| 8 | * |
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 10 | * |
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| 11 | * Unless required by applicable law or agreed to in writing, software |
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 14 | * See the License for the specific language governing permissions and |
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| 15 | * limitations under the License. |
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| 16 | */ |
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| 17 | package org.apache.jetspeed.util; |
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| 18 | ||
| 19 | import java.io.File; |
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| 20 | import java.io.FileFilter; |
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| 21 | import java.io.FileInputStream; |
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| 22 | import java.io.FileOutputStream; |
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| 23 | import java.io.IOException; |
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| 24 | import java.nio.channels.FileChannel; |
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| 25 | ||
| 26 | /** |
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| 27 | * @author <a href="mailto:weaver@apache.org">Scott T. Weaver</a> |
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| 28 | * @version $Id: DirectoryHelper.java 516448 2007-03-09 16:25:47Z ate $ |
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| 29 | */ |
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| 30 | public class DirectoryHelper |
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| 31 | extends |
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| 32 | AbstractFileSystemHelper |
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| 33 | implements |
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| 34 | FileSystemHelper |
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| 35 | { |
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| 36 | ||
| 37 | protected File directory; |
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| 38 | /** |
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| 39 | * |
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| 40 | */ |
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| 41 | public DirectoryHelper(File directory) |
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| 42 | { |
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| 43 | 0 | super(); |
| 44 | 0 | if(!directory.exists()) |
| 45 | { |
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| 46 | 0 | directory.mkdirs(); |
| 47 | } |
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| 48 | ||
| 49 | 0 | if(!directory.isDirectory()) |
| 50 | { |
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| 51 | 0 | throw new IllegalArgumentException("DirectoryHelper(File) requires directory not a file."); |
| 52 | } |
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| 53 | 0 | this.directory = directory; |
| 54 | ||
| 55 | ||
| 56 | ||
| 57 | 0 | } |
| 58 | ||
| 59 | /** |
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| 60 | * <p> |
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| 61 | * copyFrom |
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| 62 | * </p> |
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| 63 | * |
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| 64 | * @see org.apache.jetspeed.util.FileSystemHelper#copyFrom(java.io.File) |
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| 65 | * @param directory |
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| 66 | * @throws IOException |
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| 67 | */ |
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| 68 | public void copyFrom( File srcDirectory ) throws IOException |
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| 69 | { |
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| 70 | 0 | copyFrom(srcDirectory, new FileFilter() { |
| 71 | public boolean accept(File pathname) |
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| 72 | { |
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| 73 | return true; |
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| 74 | } |
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| 75 | }); |
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| 76 | 0 | } |
| 77 | ||
| 78 | /** |
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| 79 | * <p> |
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| 80 | * copyFrom |
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| 81 | * </p> |
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| 82 | * |
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| 83 | * @see org.apache.jetspeed.util.FileSystemHelper#copyFrom(java.io.File, java.io.FileFilter) |
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| 84 | * @param directory |
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| 85 | * @param fileFilter |
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| 86 | * @throws IOException |
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| 87 | */ |
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| 88 | public void copyFrom( File srcDirectory, FileFilter fileFilter ) throws IOException |
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| 89 | { |
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| 90 | 0 | if(!srcDirectory.isDirectory()) |
| 91 | { |
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| 92 | 0 | throw new IllegalArgumentException("DirectoryHelper.copyFrom(File) requires directory not a file."); |
| 93 | } |
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| 94 | 0 | copyFiles(srcDirectory, directory, fileFilter); |
| 95 | ||
| 96 | 0 | } |
| 97 | /** |
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| 98 | * |
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| 99 | * <p> |
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| 100 | * copyFiles |
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| 101 | * </p> |
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| 102 | * |
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| 103 | * @param srcDir Source directory to copy from. |
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| 104 | * @param dstDir Destination directory to copy to. |
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| 105 | * @throws IOException |
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| 106 | * @throws FileNotFoundException |
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| 107 | ||
| 108 | */ |
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| 109 | protected void copyFiles(File srcDir, File dstDir, FileFilter fileFilter) throws IOException |
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| 110 | { |
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| 111 | 0 | FileChannel srcChannel = null; |
| 112 | 0 | FileChannel dstChannel = null; |
| 113 | ||
| 114 | try |
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| 115 | { |
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| 116 | 0 | File[] children = srcDir.listFiles(fileFilter); |
| 117 | 0 | for(int i=0; i<children.length; i++) |
| 118 | { |
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| 119 | 0 | File child = children[i]; |
| 120 | 0 | if(child.isFile()) |
| 121 | { |
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| 122 | 0 | File toFile = new File(dstDir, child.getName()); |
| 123 | 0 | toFile.createNewFile(); |
| 124 | 0 | srcChannel = new FileInputStream(child).getChannel(); |
| 125 | 0 | dstChannel = new FileOutputStream(toFile).getChannel(); |
| 126 | 0 | dstChannel.transferFrom(srcChannel, 0, srcChannel.size()); |
| 127 | 0 | srcChannel.close(); |
| 128 | 0 | dstChannel.close(); |
| 129 | 0 | } |
| 130 | else |
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| 131 | { |
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| 132 | 0 | File newSubDir = new File(dstDir, child.getName()); |
| 133 | 0 | newSubDir.mkdir(); |
| 134 | 0 | copyFiles(child, newSubDir, fileFilter); |
| 135 | } |
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| 136 | } |
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| 137 | } |
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| 138 | finally |
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| 139 | { |
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| 140 | 0 | if ( srcChannel != null && srcChannel.isOpen() ) |
| 141 | { |
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| 142 | try |
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| 143 | { |
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| 144 | 0 | srcChannel.close(); |
| 145 | } |
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| 146 | 0 | catch (Exception e) |
| 147 | { |
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| 148 | ||
| 149 | 0 | } |
| 150 | } |
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| 151 | 0 | if ( dstChannel != null && dstChannel.isOpen() ) |
| 152 | { |
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| 153 | try |
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| 154 | { |
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| 155 | 0 | dstChannel.close(); |
| 156 | } |
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| 157 | 0 | catch (Exception e) |
| 158 | { |
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| 159 | ||
| 160 | 0 | } |
| 161 | } |
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| 162 | } |
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| 163 | 0 | } |
| 164 | ||
| 165 | /** |
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| 166 | * <p> |
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| 167 | * remove |
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| 168 | * </p> |
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| 169 | * |
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| 170 | * @see org.apache.jetspeed.util.FileSystemHelper#remove() |
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| 171 | * |
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| 172 | */ |
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| 173 | public boolean remove() |
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| 174 | { |
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| 175 | 0 | return doRemove(directory); |
| 176 | } |
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| 177 | ||
| 178 | /** |
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| 179 | * |
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| 180 | * <p> |
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| 181 | * doRemove |
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| 182 | * </p> |
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| 183 | * |
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| 184 | * @param file |
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| 185 | * @return <code>true</code> if the removal war successful, otherwise returns |
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| 186 | * <code>false</code>. |
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| 187 | */ |
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| 188 | protected boolean doRemove(File file) |
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| 189 | { |
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| 190 | 0 | if (file.isDirectory()) |
| 191 | { |
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| 192 | 0 | String[] children = file.list(); |
| 193 | 0 | for (int i = 0; i < children.length; i++) |
| 194 | { |
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| 195 | 0 | boolean success = doRemove(new File(file, children[i])); |
| 196 | 0 | if (!success) |
| 197 | { |
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| 198 | 0 | return false; |
| 199 | } |
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| 200 | } |
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| 201 | } |
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| 202 | ||
| 203 | // The directory is now empty so delete it OR it is a plain file |
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| 204 | 0 | return file.delete(); |
| 205 | } |
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| 206 | ||
| 207 | /** |
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| 208 | * <p> |
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| 209 | * getRootDirectory |
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| 210 | * </p> |
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| 211 | * |
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| 212 | * @see org.apache.jetspeed.util.FileSystemHelper#getRootDirectory() |
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| 213 | * @return |
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| 214 | */ |
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| 215 | public File getRootDirectory() |
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| 216 | { |
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| 217 | 0 | return directory; |
| 218 | } |
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| 219 | ||
| 220 | /** |
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| 221 | * <p> |
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| 222 | * close |
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| 223 | * </p> |
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| 224 | * |
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| 225 | * @see org.apache.jetspeed.util.FileSystemHelper#close() |
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| 226 | * |
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| 227 | */ |
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| 228 | public void close() |
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| 229 | { |
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| 230 | // TODO Auto-generated method stub |
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| 231 | ||
| 232 | 0 | } |
| 233 | /** |
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| 234 | * <p> |
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| 235 | * getSourcePath |
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| 236 | * </p> |
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| 237 | * |
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| 238 | * @see org.apache.jetspeed.util.FileSystemHelper#getSourcePath() |
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| 239 | * @return |
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| 240 | */ |
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| 241 | public String getSourcePath() |
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| 242 | { |
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| 243 | 0 | return getRootDirectory().getAbsolutePath(); |
| 244 | } |
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| 245 | ||
| 246 | } |
| This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |