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 directory
  37      * @throws java.io.IOException throws java.io.IOException if something fails
  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 directory
  49      * @param ignore a list of files which should not be copied
  50      * @throws java.io.IOException throws java.io.IOException if something fails
  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                 if (!dstDir.mkdir()) {
  64                     throw new java.io.IOException("could not create folder " + dstDir);
  65                 }
  66             }
  67
  68             String[] files = srcDir.list();
  69             for (int i=0; i< files.length; i++) {
  70                 copyDirectory(new File(srcDir, files[i]), new File(dstDir, files[i]), ignore);
  71             }
  72         } else {
  73             // This method is implemented in e1071 Copying a File
  74             copyFile(srcDir, dstDir);
  75         }
  76     }
  77
  78     /**
  79      * Copies src file to dst file. If the dst file does not exist, it is created
  80      * @param src the source file
  81      * @param dst the destination file
  82      * @throws java.io.IOException throws java.io.IOException if something fails
  83      */
  84     public static void copyFile(File src, File dst) throws java.io.IOException {
  85         InputStream in = null;
  86         OutputStream out = null;
  87         try {
  88             in = new FileInputStream(src);
  89             try {
  90                 out = new FileOutputStream(dst);
  91
  92                 // Transfer bytes from in to out
  93                 byte[] buf = new byte[1024];
  94                 int len;
  95                 while ((len = in.read(buf)) > 0) {
  96                     out.write(buf, 0, len);
  97                 }
  98             } finally {
  99                 if (out != null)
 100                     out.close();
 101             }
 102         } finally {
 103             if (in != null)
 104                 in.close();
 105         }
 106     }
 107
 108
 109    public static boolean cleanDir(File dir)
 110         {
 111             if (dir.isDirectory())
 112             {
 113                 String[] children = dir.list();
 114                 for (int i=0; i<children.length; i++)
 115                 {
 116                     boolean success = cleanDir(new File(dir, children[i]));
 117                     if (!success)
 118                     {
 119                         return false;
 120                     }
 121                 }
 122             }
 123
 124             // The directory is now empty so delete it
 125             return dir.delete();
 126         }
 127 }