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/************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: BeginningOfFile.java,v $
* $Revision: 1.5 $
*
* 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 org.openoffice.xmerge.converter.xml.sxc.pexcel.records;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.IOException;
import org.openoffice.xmerge.util.Debug;
import org.openoffice.xmerge.util.EndianConverter;
import org.openoffice.xmerge.converter.xml.sxc.pexcel.PocketExcelConstants;
/**
* This class describes the beginning of file. It is the
* the Biff record that marks the beginning of a a worbook
* or the beginning of worksheets in the workbook
*
*/
public class BeginningOfFile implements BIFFRecord {
private byte[] version = new byte[2];
private byte[] subStream = new byte[2];
/**
* Constructor that initializes the member values.
*
* @param ver Version Number
* Substream type (workbook = 0x05, worksheet = 0x10)
*/
public BeginningOfFile(boolean global) {
setVersion((short) 271);
if(global)
setSubStreamWBGlobal();
else
setSubStreamWorkSheet();
// this.subStream = EndianConverter.writeShort(dt);
}
public BeginningOfFile(InputStream is) throws IOException {
read(is);
}
private void setVersion(short version) {
this.version = EndianConverter.writeShort(version);
}
int getVersion() {
return EndianConverter.readShort(version);
}
private void setSubStreamWBGlobal() {
// subStream = new byte[] {0x05};
subStream = EndianConverter.writeShort((short) 0x05);
}
private void setSubStreamWorkSheet() {
// subStream = new byte[] {0x10};
subStream = EndianConverter.writeShort((short) 0x10);
}
int getSubStreamType() {
return EndianConverter.readShort(subStream);
}
public int read(InputStream input) throws IOException {
int numBytesRead = input.read(version);
numBytesRead += input.read(subStream);
Debug.log(Debug.TRACE,"\tVersion : "+ EndianConverter.readShort(version) +
" Stream : " + EndianConverter.readShort(subStream));
return numBytesRead;
}
public void write(OutputStream output) throws IOException {
output.write(getBiffType());
output.write(version);
output.write(subStream);
Debug.log(Debug.TRACE, "Writing BeginningOfFile record");
}
/**
* Get the hex code for this particular <code>BIFFRecord</code>
*
* @return the hex code for <code>BeginningOfFile</code>
*/
public short getBiffType() {
return PocketExcelConstants.BOF_RECORD;
}
}
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