Package org.jnode.apps.vmware.disk.handler.simple

Source Code of org.jnode.apps.vmware.disk.handler.simple.SimpleExtentFactory

/*
* $Id$
*
* 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.handler.simple;

import java.io.File;
import java.io.IOException;
import java.io.RandomAccessFile;
import org.jnode.apps.vmware.disk.descriptor.Descriptor;
import org.jnode.apps.vmware.disk.handler.ExtentFactory;
import org.jnode.apps.vmware.disk.handler.FileDescriptor;
import org.jnode.apps.vmware.disk.handler.UnsupportedFormatException;

/**
* Wrote from the 'Virtual Disk Format 1.0' specifications (from VMWare).
*
* @author Fabien DUMINY (fduminy at jnode dot org)
*
*/
public class SimpleExtentFactory extends ExtentFactory {
    protected FileDescriptor createFileDescriptor(File file, RandomAccessFile raf)
        throws IOException, UnsupportedFormatException {
        // read 2 sectors, starting from sector number 0
        Descriptor descriptor = getDescriptorRW().read(file, 0, 2);

        return new FileDescriptor(descriptor, raf, this);
    }

    /**
     *
     */
    public SimpleIOHandler createIOHandler(FileDescriptor fileDescriptor)
        throws IOException, UnsupportedFormatException {
        return new SimpleIOHandler(fileDescriptor);
    }

    /**
     *
     */
    @Override
    protected SimpleDescriptorRW getDescriptorRW() {
        return new SimpleDescriptorRW();
    }
}
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