Attachment 4532 Details for Bug 16392 – The PTG Object for Less Than; src/java/org/apache/poi/hssf/record/formula/LessThanPtg.java

The PTG Object for Less Than; src/java/org/apache/poi/hssf/record/formula/LessThanPtg.java

LessThanPtg.java (text/plain), 5.68 KB, created by criley on 2003-01-24 13:34:05 UTC

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Creator: criley

Created: 2003-01-24 13:34:05 UTC

Size: 5.68 KB

patch

obsolete

>
>/* ====================================================================
> * The Apache Software License, Version 1.1
> *
> * Copyright (c) 2003 The Apache Software Foundation.  All rights
> * reserved.
> *
> * Redistribution and use in source and binary forms, with or without
> * modification, are permitted provided that the following conditions
> * are met:
> *
> * 1. Redistributions of source code must retain the above copyright
> *    notice, this list of conditions and the following disclaimer.
> *
> * 2. Redistributions in binary form must reproduce the above copyright
> *    notice, this list of conditions and the following disclaimer in
> *    the documentation and/or other materials provided with the
> *    distribution.
> *
> * 3. The end-user documentation included with the redistribution,
> *    if any, must include the following acknowledgment:
> *       "This product includes software developed by the
> *        Apache Software Foundation (http://www.apache.org/)."
> *    Alternately, this acknowledgment may appear in the software itself,
> *    if and wherever such third-party acknowledgments normally appear.
> *
> * 4. The names "Apache" and "Apache Software Foundation" and
> *    "Apache POI" must not be used to endorse or promote products
> *    derived from this software without prior written permission. For
> *    written permission, please contact apache@apache.org.
> *
> * 5. Products derived from this software may not be called "Apache",
> *    "Apache POI", nor may "Apache" appear in their name, without
> *    prior written permission of the Apache Software Foundation.
> *
> * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
> * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
> * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
> * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
> * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
> * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
> * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
> * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
> * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> * SUCH DAMAGE.
> * ====================================================================
> *
> * This software consists of voluntary contributions made by many
> * individuals on behalf of the Apache Software Foundation.  For more
> * information on the Apache Software Foundation, please see
> * <http://www.apache.org/>.
> */
>
>/*
> * LessThanPtg.java
> *
> * Created on January 23, 2003, 9:47 AM
> */
>package org.apache.poi.hssf.record.formula;
>
>//JDK
>import java.util.List;
>
>//POI
>import org.apache.poi.hssf.util.SheetReferences;
>
>/**
> * Less than operator PTG "<". The SID is taken from the 
> * Openoffice.orgs Documentation of the Excel File Format,
> * Table 3.5.7
> * @author Cameron Riley (criley at ekmail.com)
> */
>public class LessThanPtg
>    extends OperationPtg
>{
>    /** the size of the Ptg  */
>    public final static int SIZE = 1;
>
>    /** the sid for the less than operator as hex */
>    public final static byte sid  = 0x09;    
>
>    /** identifier for LESS THAN char */
>    private final static String LESSTHAN = "<";
>
>    /** 
>     * Constructor. Creates new LessThanPtg 
>     */
>    public LessThanPtg()
>    {
>        //deliberately empty
>    }
>
>    /**
>     * Constructor. Create a new LessThanPtg.
>     * @param data the byte array to have the PTG added to
>     * @param offset the offset to the PTG to.
>     */
>    public LessThanPtg(byte [] data, int offset)
>    {
>        //deliberately empty
>    }
>    
>    /**
>     * Write the sid to an array
>     * @param array the array of bytes to write the sid to
>     * @param offset the offset to add the sid to
>     */
>    public void writeBytes(byte[] array, int offset)
>    {
>        array[ offset + 0 ] = sid;
>    }
>
>    /**
>     * Get the size of the sid
>     * @return int the size of the sid in terms of byte additions to an array
>     */
>    public int getSize()
>    {
>        return SIZE;
>    }
>
>    /**
>     * Get the type of PTG for Less Than
>     * @return int the identifier for the type
>     */
>    public int getType()
>    {
>        return TYPE_BINARY;
>    }
>
>    /**
>     * Get the number of operands for the Less than operator
>     * @return int the number of operands
>     */
>    public int getNumberOfOperands()
>    {
>        return 2;
>    }
>    
>    /** 
>     * Implementation of method from Ptg 
>     * @param refs the Sheet References
>     */
>    public String toFormulaString(SheetReferences refs)
>    {
>        return this.LESSTHAN;
>    }
>       
>    /** 
>     * Implementation of method from OperationsPtg
>     * @param operands a String array of operands
>     * @return String the Formula as a String
>     */  
>    public String toFormulaString(String[] operands) 
>    {
>        StringBuffer buffer = new StringBuffer();
>        buffer.append(operands[ 0 ]);
>        buffer.append(this.LESSTHAN);
>        buffer.append(operands[ 1 ]);
>        return buffer.toString();
>    }
>    
>    /**
>     * Get the default operands class value
>     * @return byte the Ptg Class Value as a byte from the Ptg Parent object
>     */
>    public byte getDefaultOperandClass() 
>    {
>        return Ptg.CLASS_VALUE;
>    }
>    
>    /**
>     * Implementation of clone method from Object
>     * @return Object a clone of this class as an Object
>     */       
>    public Object clone() 
>    {
>        return new LessThanPtg();
>    }
>
>}

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Attachments on bug 16392: 4532 | 4533 | 4534 | 4535 | 4536