/*
* $Id$
*
* Copyright (C) 2003-2015 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;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.io.Reader;
/**
* Wrote from the 'Virtual Disk Format 1.0' specifications (from VMWare).
*
* @author Fabien DUMINY (fduminy at jnode dot org)
*
*/
public class RandomAccessFileReader extends Reader {
private final RandomAccessFile raf;
private final boolean mustClose;
/**
* Create a reader from the provided RandomAccessFile.
* @param raf
* @param mustClose
*/
public RandomAccessFileReader(RandomAccessFile raf, boolean mustClose) {
this.raf = raf;
this.mustClose = mustClose;
}
/**
* Close the file if the mustClose flag has been set.
*/
@Override
public void close() throws IOException {
if (mustClose) {
raf.close();
}
}
/**
* @param buf
* @param offset
* @param count
*/
@Override
public int read(char[] buf, int offset, int count) throws IOException {
int nbRead = 0;
for (int i = offset; i < (offset + count); i++) {
buf[i] = raf.readChar();
}
return nbRead;
}
}