/*
* 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. AstNegative.java */
package org.apache.el.parser;
import java.math.BigDecimal;
import java.math.BigInteger;
import jakarta.el.ELException;
import org.apache.el.lang.ELSupport;
import org.apache.el.lang.EvaluationContext;
/**
* @author Jacob Hookom [jacob@hookom.net]
*/
public final class AstNegative
extends SimpleNode {
public AstNegative(
int id) {
super(id);
}
@Override
public Class<?> getType(EvaluationContext ctx)
throws ELException {
return Number.
class;
}
@Override
public Object getValue(EvaluationContext ctx)
throws ELException {
Object obj =
this.children[0].getValue(ctx);
if (obj ==
null) {
return Long.valueOf(0);
}
if (obj
instanceof BigDecimal) {
return ((BigDecimal) obj).negate();
}
if (obj
instanceof BigInteger) {
return ((BigInteger) obj).negate();
}
if (obj
instanceof String) {
if (ELSupport.isStringFloat((String) obj)) {
return Double.valueOf(-
Double.parseDouble((String) obj));
}
return Long.valueOf(-
Long.parseLong((String) obj));
}
if (obj
instanceof Long) {
return Long.valueOf(-((
Long) obj).longValue());
}
if (obj
instanceof Double) {
return Double.valueOf(-((
Double) obj).doubleValue());
}
if (obj
instanceof Integer) {
return Integer.valueOf(-((Integer) obj).intValue());
}
if (obj
instanceof Float) {
return Float.valueOf(-((
Float) obj).floatValue());
}
if (obj
instanceof Short) {
return Short.valueOf((
short) -((
Short) obj).shortValue());
}
if (obj
instanceof Byte) {
return Byte.valueOf((
byte) -((
Byte) obj).byteValue());
}
Long num = (
Long) ELSupport.coerceToNumber(ctx, obj,
Long.
class);
return Long.valueOf(-num.longValue());
}
}