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/************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * 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.DataInputStream;
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 describing a number format
 */
public class NumberFormat implements BIFFRecord {

    private byte cce;
    private byte[] rgch;

    /**
     * Constructs a NumberFormat Record from the <code>InputStream</code>
     *
     * @param   is InputStream containing the record data
     */
    public NumberFormat(InputStream is) throws IOException {
        read(is);
    }

    /**
     * Get the hex code for this particular <code>BIFFRecord</code>
     *
     * @return the hex code for <code>NumberFormat</code>
     */
    public short getBiffType() {
        return PocketExcelConstants.NUMBER_FORMAT;
    }

    /**
     * Reads the NumberFormat from the <code>InputStream</code> Byte array
     * containg strings are doubled in length becuse they use unicode
     *
     * @return the total number of bytes read
     */
    public int read(InputStream input) throws IOException {

        cce = (byte) input.read();
        int numOfBytesRead = 1;

        rgch = new byte[cce*2];
        numOfBytesRead  += input.read(rgch, 0, cce*2);

        Debug.log(Debug.TRACE, "\tcce : "+ cce +
                            " rgch : " + new String(rgch,"UTF-16LE"));

        return numOfBytesRead;
    }

    public void write(OutputStream output) throws IOException {

        output.write(getBiffType());
        output.write(cce);
        output.write(rgch);

        Debug.log(Debug.TRACE,"Writing NumberFormat record");
    }

}