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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
package helper;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
/**
* This class deliver some functionality to copy files.
*/
public class FileTools {
/**
* Copies all files under srcDir to dstDir.
* If dstDir does not exist, it will be created.
* @param srcDir the source directory
* @param dstDir the destination direcotry
* @throws java.io.IOException throws java.io.IOException if something failes
*/
public static void copyDirectory(File srcDir, File dstDir)
throws java.io.IOException {
copyDirectory(srcDir, dstDir, new String[]{});
}
/**
* Copies all files under srcDir to dstDir except Files given in the
* ignore list. This files will not be copied.
* If dstDir does not exist, it will be created.
* @param srcDir the source directory
* @param dstDir the destination direcotry
* @param ignore a list of files which should not be copied
* @throws java.io.IOException throws java.io.IOException if something failes
*/
public static void copyDirectory(File srcDir, File dstDir, String[] ignore)
throws java.io.IOException {
for (int i=0; i<ignore.length;i++){
if (srcDir.getName().endsWith(ignore[i])) {
return;
}
}
if (srcDir.isDirectory()) {
if (!dstDir.exists()) {
dstDir.mkdir();
}
String[] files = srcDir.list();
for (int i=0; i< files.length; i++) {
copyDirectory(new File(srcDir, files[i]), new File(dstDir, files[i]), ignore);
}
} else {
// This method is implemented in e1071 Copying a File
copyFile(srcDir, dstDir);
}
}
/**
* Copies src file to dst file. If the dst file does not exist, it is created
* @param src the source file
* @param dst the destination file
* @throws java.io.IOException throws java.io.IOException if something failes
*/
public static void copyFile(File src, File dst) throws java.io.IOException {
InputStream in = new FileInputStream(src);
OutputStream out = new FileOutputStream(dst);
// Transfer bytes from in to out
byte[] buf = new byte[1024];
int len;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
in.close();
out.close();
}
/**
* Deletes all files and subdirectories under dir and the directory itself.
* Returns true if all deletions were successful.
* If the deletion fails, the method the method continues to delete rest
* of the files and returns false.
* @return Returns true if all deletions were successful, else false.
* @param dir the directory to delete
*/
public static boolean deleteDir(File dir) {
// if (! cleanDir(dir)) return false;
// The directory is now empty so delete it
// return dir.delete();
return cleanDir(dir);
}
/**
* Deletes all files and subdirectories under dir.
* Returns true if all deletions were successful.
* If a deletion fails, the method continues to delete rest of the files.
* @return Returns true if all deletions were successful, else false.
* @param dir the directory to clean from content
*/
// public static boolean cleanDir(File dir){
//
// boolean success = true;
// if (dir.isDirectory()){
// File [] theFiles = dir.listFiles();
//
// if (theFiles.length != 0 )
// for (int i = 0; i < theFiles.length; i++){
// success &= theFiles[i].delete();
// }
// }
// return success;
// }
public static boolean cleanDir(File dir)
{
if (dir.isDirectory())
{
String[] children = dir.list();
for (int i=0; i<children.length; i++)
{
boolean success = cleanDir(new File(dir, children[i]));
if (!success)
{
return false;
}
}
}
// The directory is now empty so delete it
return dir.delete();
}
}
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