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/* ====================================================================
   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file 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 "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
==================================================================== */
package org.apache.poi.hssf.record.formula;

import org.apache.poi.hssf.model.Workbook;
import org.apache.poi.hssf.record.RecordInputStream;

/**
 * Implements the standard mathmatical multiplication - *
 * @author  Andrew C. Oliver (acoliver at apache dot org)
 * @author Jason Height (jheight at chariot dot net dot au)
 */

public class MultiplyPtg
    extends OperationPtg
{
    public final static int  SIZE = 1;
    public final static byte sid  = 0x05;

    /** Creates new AddPtg */

    public MultiplyPtg()
    {
    }

    public MultiplyPtg(RecordInputStream in)
    {

        // doesn't need anything
    }
    
    public void writeBytes(byte [] array, int offset)
    {
        array[ offset + 0 ] = sid;
    }

    public int getSize()
    {
        return SIZE;
    }

    public int getType()
    {
        return TYPE_BINARY;
    }

    public int getNumberOfOperands()
    {
        return 2;
    }

    public int getStringLength() {
        return 1;
    }
    

    public String toFormulaString(Workbook book)
    {
        return "*";
    }

    public String toFormulaString(Ptg [] operands)
    {
        StringBuffer buffer = new StringBuffer();

        buffer.append(operands[ 0 ].toFormulaString((Workbook)null));
        buffer.append("*");
        buffer.append(operands[ 1 ].toFormulaString((Workbook)null));
        return buffer.toString();
    }
    
    public String toFormulaString(String[] operands) {
        StringBuffer buffer = new StringBuffer();

        buffer.append(operands[ 0 ]);
        buffer.append(toFormulaString((Workbook)null));
        buffer.append(operands[ 1 ]);
        return buffer.toString();
    }                  

    public Object clone() {
      return new MultiplyPtg();
    }
}