FileTree.java

00001 /*
00002  * Copyright (c) 2003-2004, KNOPFLERFISH project
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following
00007  * conditions are met:
00008  *
00009  * - Redistributions of source code must retain the above copyright
00010  *   notice, this list of conditions and the following disclaimer.
00011  *
00012  * - Redistributions in binary form must reproduce the above
00013  *   copyright notice, this list of conditions and the following
00014  *   disclaimer in the documentation and/or other materials
00015  *   provided with the distribution.
00016  *
00017  * - Neither the name of the KNOPFLERFISH project nor the names of its
00018  *   contributors may be used to endorse or promote products derived
00019  *   from this software without specific prior written permission.
00020  *
00021  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
00022  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00023  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
00024  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
00025  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00026  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
00027  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00028  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00029  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
00030  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00031  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
00032  * OF THE POSSIBILITY OF SUCH DAMAGE.
00033  */
00034 
00035 package org.knopflerfish.framework;
00036 
00037 import java.io.*;
00038 
00039 
00046 public class FileTree extends File
00047 {
00048 
00052   public FileTree(String name) {
00053     super(name);
00054   }
00055 
00056 
00061   public FileTree(File file, String name) {
00062     super(file, name);
00063   }
00064 
00065 
00070   public FileTree(String n1, String n2) {
00071     super(n1, n2);
00072   }
00073 
00074 
00082   public void copyTo(File copyFile) throws IOException
00083   {
00084     if (isDirectory()) {
00085       copyFile.mkdirs();
00086       String [] dirs = list();
00087       for (int i = dirs.length - 1; i >= 0; i--) {
00088         (new FileTree(this, dirs[i])).copyTo(new File(copyFile, dirs[i]));
00089       }
00090     } else {
00091       InputStream is = null; 
00092       OutputStream os = null;
00093       try {
00094         is = new BufferedInputStream(new FileInputStream(this));
00095         os = new BufferedOutputStream(new FileOutputStream(copyFile));
00096         byte[] buf=new byte[4096];
00097         for (;;) {
00098           int n=is.read(buf);
00099           if (n<0) {
00100             break;
00101           }
00102           os.write(buf, 0, n);
00103         }
00104       } finally {
00105         try {
00106           if (is != null) {
00107             is.close();
00108           }
00109         } finally {
00110           if (os != null) {
00111             os.close();
00112           }
00113         }
00114       }
00115     }
00116   }
00117 
00118 
00124   public boolean delete()
00125   {
00126     boolean allDeleted = true;
00127     if (isDirectory()) {
00128       String [] dirs = list();
00129       if(dirs != null) {
00130         for (int i = dirs.length - 1; i>= 0; i--) {
00131           allDeleted &= (new FileTree(this, dirs[i])).delete();
00132         }
00133       }
00134     }
00135     boolean thisDeleted = super.delete();
00136 
00137     return allDeleted & thisDeleted;
00138   }
00139 }

Generated on Mon Jan 11 21:19:14 2010 for OpenMobileIS by  doxygen 1.5.4