147 lines
3.8 KiB
Java
147 lines
3.8 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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/*
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* LessThanPtg.java
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*
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* Created on January 23, 2003, 9:47 AM
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*/
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package org.apache.poi.hssf.record.formula;
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//JDK
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import java.util.List;
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//POI
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import org.apache.poi.ss.usermodel.Workbook;
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import org.apache.poi.hssf.record.RecordInputStream;
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/**
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* Less than operator PTG "<". The SID is taken from the
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* Openoffice.orgs Documentation of the Excel File Format,
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* Table 3.5.7
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* @author Cameron Riley (criley at ekmail.com)
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*/
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public class LessThanPtg
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extends OperationPtg
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{
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/** the size of the Ptg */
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public final static int SIZE = 1;
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/** the sid for the less than operator as hex */
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public final static byte sid = 0x09;
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/** identifier for LESS THAN char */
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private final static String LESSTHAN = "<";
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/**
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* Constructor. Creates new LessThanPtg
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*/
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public LessThanPtg()
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{
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//deliberately empty
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}
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/**
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* Constructor. Create a new LessThanPtg.
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* @param in the RecordInputstream to read the record from
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*/
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public LessThanPtg(RecordInputStream in)
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{
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//deliberately empty
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}
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/**
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* Write the sid to an array
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* @param array the array of bytes to write the sid to
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* @param offset the offset to add the sid to
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*/
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public void writeBytes(byte[] array, int offset)
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{
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array[ offset + 0 ] = sid;
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}
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/**
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* Get the size of the sid
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* @return int the size of the sid in terms of byte additions to an array
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*/
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public int getSize()
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{
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return SIZE;
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}
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/**
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* Get the type of PTG for Less Than
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* @return int the identifier for the type
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*/
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public int getType()
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{
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return TYPE_BINARY;
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}
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/**
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* Get the number of operands for the Less than operator
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* @return int the number of operands
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*/
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public int getNumberOfOperands()
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{
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return 2;
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}
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/**
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* Implementation of method from Ptg
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* @param book the Sheet References
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*/
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public String toFormulaString(Workbook book)
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{
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return this.LESSTHAN;
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}
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/**
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* Implementation of method from OperationsPtg
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* @param operands a String array of operands
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* @return String the Formula as a String
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*/
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public String toFormulaString(String[] operands)
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{
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StringBuffer buffer = new StringBuffer();
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buffer.append(operands[ 0 ]);
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buffer.append(this.LESSTHAN);
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buffer.append(operands[ 1 ]);
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return buffer.toString();
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}
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/**
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* Get the default operands class value
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* @return byte the Ptg Class Value as a byte from the Ptg Parent object
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*/
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public byte getDefaultOperandClass()
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{
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return Ptg.CLASS_VALUE;
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}
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/**
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* Implementation of clone method from Object
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* @return Object a clone of this class as an Object
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*/
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public Object clone()
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{
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return new LessThanPtg();
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}
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}
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