| /* ==================================================================== |
| 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.ss.formula.ptg; |
| |
| /** |
| * 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 final class LessThanPtg extends ValueOperatorPtg { |
| /** 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 = "<"; |
| |
| public static final ValueOperatorPtg instance = new LessThanPtg(); |
| |
| private LessThanPtg() { |
| // enforce singleton |
| } |
| |
| protected byte getSid() { |
| return sid; |
| } |
| |
| /** |
| * 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 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(LESSTHAN); |
| buffer.append(operands[ 1 ]); |
| return buffer.toString(); |
| } |
| } |