74 lines
2.1 KiB
Java
74 lines
2.1 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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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* Created on May 8, 2005
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*
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*/
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package org.apache.poi.hssf.record.formula.eval;
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import org.apache.poi.hssf.record.formula.IntPtg;
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import org.apache.poi.hssf.record.formula.NumberPtg;
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import org.apache.poi.hssf.record.formula.Ptg;
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/**
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* @author Amol S. Deshmukh < amolweb at ya hoo dot com >
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*
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*/
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public class NumberEval implements NumericValueEval, StringValueEval {
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public static final NumberEval ZERO = new NumberEval(0);
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private double value;
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private String stringValue;
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public NumberEval(Ptg ptg) {
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if (ptg instanceof IntPtg) {
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this.value = ((IntPtg) ptg).getValue();
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}
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else if (ptg instanceof NumberPtg) {
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this.value = ((NumberPtg) ptg).getValue();
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}
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}
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public NumberEval(double value) {
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this.value = value;
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}
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public double getNumberValue() {
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return value;
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}
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public String getStringValue() { // TODO: limit to 15 decimal places
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if (stringValue == null)
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makeString();
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return stringValue;
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}
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protected void makeString() {
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if (!Double.isNaN(value)) {
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long lvalue = Math.round(value);
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if (lvalue == value) {
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stringValue = String.valueOf(lvalue);
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}
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else {
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stringValue = String.valueOf(value);
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}
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}
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}
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}
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