/*
* $Id$
*
* Copyright (C) 2003-2014 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.apps.vmware.disk.tools;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FilenameFilter;
import java.io.IOException;
import java.nio.channels.FileChannel;
import org.apache.log4j.Logger;
/**
* Utility methods for copying VMware disks.
*
* @author Fabien DUMINY (fduminy@jnode.org)
*
*/
public class DiskCopier {
private static final Logger LOG = Logger.getLogger(DiskCopier.class);
/**
* Copy a VMware disk to a given directory.
* @param mainFile main file for the VMware disk.
* @param toDirectory destination directory for the copied VMware disk.
* @return the main file for the copied VMware disk
* @throws IOException
*/
public static File copyDisk(final File mainFile, final File toDirectory) throws IOException {
final String name = mainFile.getName();
final int idx = name.lastIndexOf('.');
final String beginName = name.substring(0, idx);
final String endName = name.substring(idx);
final File parentDir = mainFile.getParentFile();
File[] files = parentDir.listFiles(new FilenameFilter() {
public boolean accept(File dir, String name) {
boolean ok = name.startsWith(beginName) && name.endsWith(endName);
return ok;
}
});
File mainFileCopy = null;
for (File file : files) {
File f = copyFile(file, toDirectory);
if (file.getName().equals(mainFile.getName())) {
mainFileCopy = f;
}
}
return mainFileCopy;
}
/**
* Copy a file to a directory.
* @param file to copy
* @param toDirectory destination directory
* @return the copied file
* @throws IOException
*/
public static File copyFile(File file, File toDirectory) throws IOException {
LOG.debug("copying file " + file.getName() + " to " + toDirectory.getName());
FileInputStream fis = null;
FileOutputStream fos = null;
File outFile = null;
try {
fis = new FileInputStream(file);
FileChannel inCh = fis.getChannel();
outFile = new File(toDirectory, file.getName());
fos = new FileOutputStream(outFile);
FileChannel outCh = fos.getChannel();
outCh.transferFrom(inCh, 0, inCh.size());
return outFile;
} catch (IOException ioe) {
LOG.error(ioe);
throw ioe;
} finally {
try {
if (fos != null) {
fos.close();
}
} finally {
if (fis != null) {
fis.close();
}
}
}
}
}