org.apache.el.parser.AstInteger Maven / Gradle / Ivy
/*
* 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. AstInteger.java */
package org.apache.el.parser;
import java.math.BigInteger;
import jakarta.el.ELException;
import org.apache.el.lang.EvaluationContext;
/**
* @author Jacob Hookom [[email protected]]
*/
public final class AstInteger extends SimpleNode {
public AstInteger(int id) {
super(id);
}
private volatile Number number;
protected Number getInteger() {
// The parser should ensure the format of the string to be parsed
if (this.number == null) {
try {
try {
this.number = Long.valueOf(this.image);
} catch (NumberFormatException ignore) {
// Too large for Long. Try BigInteger.
this.number = new BigInteger(this.image);
}
} catch (ArithmeticException | NumberFormatException e) {
// Too big for BigInteger.
// Catch NumberFormatException as well here just in case the
// parser provides invalid input.
throw new ELException(e);
}
}
return number;
}
@Override
public Class> getType(EvaluationContext ctx) throws ELException {
return this.getInteger().getClass();
}
@Override
public Object getValue(EvaluationContext ctx) throws ELException {
return this.getInteger();
}
}
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