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/*
* 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.
*/
/* Generated By:JJTree: Do not edit this line. AstFloatingPoint.java */
package org.apache.el.parser;
import java.math.BigDecimal;
import javax.el.ELException;
import org.apache.el.lang.EvaluationContext;
/**
* @author Jacob Hookom [jacob@hookom.net]
*/
public final class AstFloatingPoint extends SimpleNode {
public AstFloatingPoint(int id) {
super(id);
}
private volatile Number number;
public Number getFloatingPoint() {
// The parser should ensure the format of the string to be parsed.
if (this.number == null) {
try {
Double d = Double.valueOf(this.image);
if (d.isInfinite() || d.isNaN()) {
this.number = new BigDecimal(this.image);
} else {
this.number = d;
}
} catch (NumberFormatException e) {
// Catch NumberFormatException here just in case the parser
// provides invalid input.
throw new ELException(e);
}
}
return this.number;
}
@Override
public Object getValue(EvaluationContext ctx)
throws ELException {
return this.getFloatingPoint();
}
@Override
public Class<?> getType(EvaluationContext ctx)
throws ELException {
return this.getFloatingPoint().getClass();
}
}
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