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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
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 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
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package org.openoffice.xmerge.converter.xml.sxc.pexcel.records;

import java.io.OutputStream;
import java.io.InputStream;
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;

/**
 * Represents a BIFF record defining the default column width 
 */
public class DefColWidth implements BIFFRecord {

    private byte[] grbit = new byte[2];
    private byte[] coldx = new byte[2];
    private byte[] ixfe  = new byte[2];
    
    public DefColWidth() {
    	grbit	= new byte[] {0x00, 0x00};
		coldx	= new byte[] {0x00, 0x09};
		ixfe	= new byte[] {0x00, 0x00};
	}

    /**
     * Constructs a pocket Excel Document from the
     * <code>InputStream</code> and assigns it the document name passed in
     *
     * @param	is InputStream containing a Pocket Excel Data file.
     */
    public DefColWidth(InputStream is) throws IOException {
    	read(is);
	}

    /**
	 * Get the hex code for this particular <code>BIFFRecord</code> 
	 *
	 * @return the hex code for <code>DefColWidth</code>
	 */
    public short getBiffType() {
        return PocketExcelConstants.DEF_COL_WIDTH;
    }
       
    public void write(OutputStream output) throws IOException {

		output.write(getBiffType());
		output.write(grbit);
		output.write(coldx);
		output.write(ixfe);

		Debug.log(Debug.TRACE,	"Writing DefColWidth record");
    }
    
    public int read(InputStream input) throws IOException {

        int numOfBytesRead	= input.read(grbit);
        numOfBytesRead 		+= input.read(coldx);
        numOfBytesRead		+= input.read(ixfe);
        
        Debug.log(Debug.TRACE,"\tgrbit : "+ EndianConverter.readShort(grbit) + 
                            " coldx : " + EndianConverter.readShort(coldx) +
                            " ixfe : " + EndianConverter.readShort(ixfe));
        return 0;
    }
    
}