74 lines
2.3 KiB
Java
74 lines
2.3 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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import org.apache.poi.ss.util.NumberToTextConverter;
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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 final class NumberEval implements NumericValueEval, StringValueEval {
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public static final NumberEval ZERO = new NumberEval(0);
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private final double _value;
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private String _stringValue;
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public NumberEval(Ptg ptg) {
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if (ptg == null) {
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throw new IllegalArgumentException("ptg must not be null");
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}
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if (ptg instanceof IntPtg) {
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_value = ((IntPtg) ptg).getValue();
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} else if (ptg instanceof NumberPtg) {
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_value = ((NumberPtg) ptg).getValue();
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} else {
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throw new IllegalArgumentException("bad argument type (" + ptg.getClass().getName() + ")");
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}
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}
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public NumberEval(double value) {
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_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() {
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if (_stringValue == null) {
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_stringValue = NumberToTextConverter.toText(_value);
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}
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return _stringValue;
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}
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public final String toString() {
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StringBuffer sb = new StringBuffer(64);
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sb.append(getClass().getName()).append(" [");
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sb.append(getStringValue());
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sb.append("]");
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return sb.toString();
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}
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}
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