org.apache.commons.jexl.parser.ASTIntegerLiteral 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.
*/
package org.apache.commons.jexl.parser;
import org.apache.commons.jexl.JexlContext;
/**
* represents an integer.
*
* @author Geir Magnusson Jr.
* @version $Id: ASTIntegerLiteral.java 548229 2007-06-18 06:11:32Z dion $
*/
public class ASTIntegerLiteral extends SimpleNode {
/** literal value. */
protected Integer val;
/**
* Create the node given an id.
*
* @param id node id.
*/
public ASTIntegerLiteral(int id) {
super(id);
}
/**
* Create a node with the given parser and id.
*
* @param p a parser.
* @param id node id.
*/
public ASTIntegerLiteral(Parser p, int id) {
super(p, id);
}
/** {@inheritDoc} */
public Object jjtAccept(ParserVisitor visitor, Object data) {
return visitor.visit(this, data);
}
/**
* Part of reference resolution - wierd... in JSTL EL you can have foo.2
* which is equiv to foo[2] it appears...
*
* @param obj the object to evaluate against.
* @param ctx the {@link JexlContext}.
* @throws Exception on any error.
* @return the resulting value.
* @see ASTArrayAccess#evaluateExpr(Object, Object, Uberspect)
*/
public Object execute(Object obj, JexlContext ctx) throws Exception {
return ASTArrayAccess.evaluateExpr(obj, val, getUberspect());
}
/** {@inheritDoc} */
public Object value(JexlContext jc) throws Exception {
return val;
}
}