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/*-
* Copyright (C) 2006 Erik Larsson
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
package org.catacombae.rarx;
import java.io.PrintStream;
public class NewMainArchiveHeader extends RARHeader {
/*
* struct NewMainArchiveHeader
* size: 13 bytes
*
* BP Size Description
* 0 2 HeadCRC
* 2 1 HeadType
* 3 2 Flags
* 5 2 HeadSize
* 7 2 Reserved
* 9 4 Reserved1
*/
private final byte[] reserved = new byte[2];
private final byte[] reserved1 = new byte[4];
public NewMainArchiveHeader(byte[] data, int offset) {
super(data, offset);
System.arraycopy(data, offset+7, reserved, 0, 2);
System.arraycopy(data, offset+9, reserved1, 0, 4);
validateData();
}
public int getSize() { return _getSize(); }
private int _getSize() { return getHeadSize();/*13;*/ }
protected void validateData() {
super.validateData();
if(getHeadType() != MAIN_HEAD)
throw new InvalidDataException("Incorrect head type! (headType=" + getHeadType() + ")");
// if(getHeadSize() != getSize())
// throw new InvalidDataException("Wrong size! (size=" + getHeadSize() + ")");
}
public short getReserved() { return Util.readShortLE(reserved); }
public int getReserved1() { return Util.readIntLE(reserved1); }
public byte[] getHeaderData() {
byte[] data = new byte[_getSize()];
System.arraycopy(super.getHeaderData(), 0, data, 0, super.getSize());
System.arraycopy(reserved, 0, data, 7, 2);
System.arraycopy(reserved1, 0, data, 9, 4);
return data;
}
// public short calculateHeadCRC() {
// CRC32 crc = new CRC32();
// //MyCRC32 crc = new MyCRC32();
// // crc.update(headCRC);
// crc.update(headType);
// crc.update(flags);
// crc.update(headSize);
// crc.update(reserved);
// crc.update(reserved1);
// //crc.(trailingData);
// return (short)(crc.getValue());
// }
protected void printFields(PrintStream ps, String prefix) {
super.printFields(ps, prefix);
ps.println(prefix + " Reserved: " + Util.toHexStringBE(getReserved()));
ps.println(prefix + " Reserved1: " + Util.toHexStringBE(getReserved1()));
}
public void print(PrintStream ps, String prefix) {
ps.println(prefix + "NewMainArchiveHeader: ");
printFields(ps, prefix);
}
}
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