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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: WseHeader.java,v $
* $Revision: 1.3 $
*
* 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.sxw.wordsmith;
import java.io.IOException;
import java.io.DataOutputStream;
import java.io.ByteArrayOutputStream;
/**
* This class represents a WordSmith document header.
*
* @author David Proulx
*/
class WseHeader extends Wse {
private int nParagraphs = 0;
private int nAtoms = 0;
private int nChars = 0;
private int miscSize = 0;
/**
* Constructor for use when going from DOM to WordSmith.
*
* @param nPara The number of paragraphs.
* @param nAtoms The number of atoms.
* @param nChars The number of characters.
* @param ft The font table.
* @param ct The color table.
*/
public WseHeader(int nPara, int nAtoms, int nChars, WseFontTable ft,
WseColorTable ct) {
nParagraphs = nPara;
this.nAtoms = nAtoms;
this.nChars = nChars;
if (ft != null) miscSize += ft.getByteCount();
if (ct != null) miscSize += ct.getByteCount();
}
/**
* Constructor for use when going from WordSmith to DOM.
*
* @param dataArray <code>byte</code> array.
* @param i Index.
*/
public WseHeader(byte dataArray[], int i) {
// DJP: write this!
}
/**
* Return true if <code>dataArray[startIndex]</code> is the start
* of a document header.
*
* @param dataArray <code>byte</code> array.
* @param startIndex The index.
*
* @return true if <code>dataArray[startIndex]</code> is the start
* of a document header, false otherwise.
*/
static boolean isValid(byte dataArray[], int startIndex) {
return ((dataArray[startIndex] == 2)
&& (dataArray[startIndex + 1] == 4));
}
/**
* Compute and return the index of the first <code>byte</code>
* following this element. It is assumed that the element
* starting at <code>dataArray[startIndex]</code> is valid.
*
* @param dataArray <code>byte</code> array.
* @param startIndex The start index.
*
* @return The first <code>byte</code> following this element.
*/
static int computeNewIndex(byte dataArray[], int startIndex) {
return startIndex + 18;
}
/**
* Return the total number of bytes needed to represent this.
*
* @return The total number of bytes needed to represent this.
*/
int getByteCount() {
return 18;
}
/**
* Return a <code>byte</code> array representing this element.
*
* @return A <code>byte</code> array representing this element.
*/
byte[] getBytes() {
DataOutputStream os; // Used for storing the data
ByteArrayOutputStream bs = null; // Used for storing the data
try {
bs = new ByteArrayOutputStream();
os = new DataOutputStream(bs);
os.write(2); // binary doc indicator
os.write(4); // binary header indicator
os.writeInt(nParagraphs);
os.writeInt(nAtoms);
os.writeInt(nChars);
os.writeInt(miscSize);
} catch (IOException e) {
e.printStackTrace();
}
if (bs != null) {
return bs.toByteArray();
} else return null;
}
}
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