qadevOOo/runner/helper/FileTools.java

   1 /*
   2  * This file is part of the LibreOffice project.
   3  *
   4  * This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   7  *
   8  * This file incorporates work covered by the following license notice:
   9  *
  10  *   Licensed to the Apache Software Foundation (ASF) under one or more
  11  *   contributor license agreements. See the NOTICE file distributed
  12  *   with this work for additional information regarding copyright
  13  *   ownership. The ASF licenses this file to you under the Apache
  14  *   License, Version 2.0 (the "License"); you may not use this file
  15  *   except in compliance with the License. You may obtain a copy of
  16  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  17  */
  18 package helper;
  19
  20 import java.io.File;
  21 import java.io.FileInputStream;
  22 import java.io.FileOutputStream;
  23 import java.io.InputStream;
  24 import java.io.OutputStream;
  25
  26
  27 /**
  28  * This class deliver some functionality to copy files.
  29  */
  30 public class FileTools {
  31
  32     /**
  33      * Copies all files under srcDir to dstDir.
  34      * If dstDir does not exist, it will be created.
  35      * @param srcDir the source directory
  36      * @param dstDir the destination direcotry
  37      * @throws java.io.IOException throws java.io.IOException if something failes
  38      */
  39     public static void copyDirectory(File srcDir, File dstDir)
  40            throws java.io.IOException {
  41         copyDirectory(srcDir, dstDir, new String[]{});
  42     }
  43     /**
  44      * Copies all files under srcDir to dstDir except Files given in the
  45      * ignore list. This files will not be copied.
  46      * If dstDir does not exist, it will be created.
  47      * @param srcDir the source directory
  48      * @param dstDir the destination direcotry
  49      * @param ignore a list of files which should not be copied
  50      * @throws java.io.IOException throws java.io.IOException if something failes
  51      */
  52     public static void copyDirectory(File srcDir, File dstDir, String[] ignore)
  53            throws java.io.IOException {
  54
  55         for (int i=0; i<ignore.length;i++){
  56             if (srcDir.getName().endsWith(ignore[i])) {
  57                 return;
  58             }
  59         }
  60
  61         if (srcDir.isDirectory()) {
  62             if (!dstDir.exists()) {
  63                 dstDir.mkdir();
  64             }
  65
  66             String[] files = srcDir.list();
  67             for (int i=0; i< files.length; i++) {
  68                 copyDirectory(new File(srcDir, files[i]), new File(dstDir, files[i]), ignore);
  69             }
  70         } else {
  71             // This method is implemented in e1071 Copying a File
  72             copyFile(srcDir, dstDir);
  73         }
  74     }
  75
  76     /**
  77      * Copies src file to dst file. If the dst file does not exist, it is created
  78      * @param src the source file
  79      * @param dst the destination file
  80      * @throws java.io.IOException throws java.io.IOException if something failes
  81      */
  82     public static void copyFile(File src, File dst) throws java.io.IOException {
  83         InputStream in = new FileInputStream(src);
  84         OutputStream out = new FileOutputStream(dst);
  85
  86         // Transfer bytes from in to out
  87         byte[] buf = new byte[1024];
  88         int len;
  89         while ((len = in.read(buf)) > 0) {
  90             out.write(buf, 0, len);
  91         }
  92         in.close();
  93         out.close();
  94     }
  95     /**
  96      * Deletes all files and subdirectories under dir and the directory itself.
  97      * Returns true if all deletions were successful.
  98      * If the deletion fails, the method the method continues to delete rest
  99      * of the files and returns false.
 100      * @return Returns true if all deletions were successful, else false.
 101      * @param dir the directory to delete
 102      */
 103     public static boolean deleteDir(File dir) {
 104
 105         // if (! cleanDir(dir)) return false;
 106
 107         // The directory is now empty so delete it
 108         // return dir.delete();
 109         return cleanDir(dir);
 110     }
 111
 112     /**
 113      * Deletes all files and subdirectories under dir.
 114      * Returns true if all deletions were successful.
 115      * If a deletion fails, the method continues to delete rest of the files.
 116      * @return Returns true if all deletions were successful, else false.
 117      * @param dir the directory to clean from content
 118      */
 119     // public static boolean cleanDir(File dir){
 120     //
 121     //     boolean success = true;
 122     //     if (dir.isDirectory()){
 123     //         File [] theFiles = dir.listFiles();
 124     //
 125     //         if (theFiles.length != 0 )
 126     //             for (int i = 0; i < theFiles.length; i++){
 127     //                 success &= theFiles[i].delete();
 128     //             }
 129     //     }
 130     //     return success;
 131     // }
 132
 133    public static boolean cleanDir(File dir)
 134         {
 135             if (dir.isDirectory())
 136             {
 137                 String[] children = dir.list();
 138                 for (int i=0; i<children.length; i++)
 139                 {
 140                     boolean success = cleanDir(new File(dir, children[i]));
 141                     if (!success)
 142                     {
 143                         return false;
 144                     }
 145                 }
 146             }
 147
 148             // The directory is now empty so delete it
 149             return dir.delete();
 150         }
 151 }