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 = null;
  84         OutputStream out = null;
  85         try {
  86             in = new FileInputStream(src);
  87             try {
  88                 out = new FileOutputStream(dst);
  89
  90                 // Transfer bytes from in to out
  91                 byte[] buf = new byte[1024];
  92                 int len;
  93                 while ((len = in.read(buf)) > 0) {
  94                     out.write(buf, 0, len);
  95                 }
  96             } finally {
  97                 if (out != null)
  98                     out.close();
  99             }
 100         } finally {
 101             if (in != null)
 102                 in.close();
 103         }
 104     }
 105
 106
 107    public static boolean cleanDir(File dir)
 108         {
 109             if (dir.isDirectory())
 110             {
 111                 String[] children = dir.list();
 112                 for (int i=0; i<children.length; i++)
 113                 {
 114                     boolean success = cleanDir(new File(dir, children[i]));
 115                     if (!success)
 116                     {
 117                         return false;
 118                     }
 119                 }
 120             }
 121
 122             // The directory is now empty so delete it
 123             return dir.delete();
 124         }
 125 }