- /*
- * Copyright 2002,2004 The Apache Software Foundation.
- *
- * Licensed 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;
-
- /**
- * Simple identifier -
- * $foo or $foo.bar (both parts are identifiers...)
- *
- * @author <a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a>
- * @version $Id: ASTIdentifier.java,v 1.6 2004/02/28 13:45:20 yoavs Exp $
- */
- public class ASTIdentifier extends SimpleNode
- {
- protected String val;
-
- public ASTIdentifier(int id)
- {
- super(id);
- }
-
- public ASTIdentifier(Parser p, int id)
- {
- super(p, id);
- }
-
- /** Accept the visitor. **/
- public Object jjtAccept(ParserVisitor visitor, Object data)
- {
- return visitor.visit(this, data);
- }
-
-
- public Object value(JexlContext jc)
- throws Exception
- {
- return jc.getVars().get(val);
- }
-
- /**
- * returns the value of itself applied to the object.
- * We assume that an identifier can be gotten via a get(String)
- */
- public Object execute(Object obj, JexlContext jc)
- throws Exception
- {
- return ASTArrayAccess.evaluateExpr(obj, val);
- }
-
- public String getIdentifierString()
- {
- return val;
- }
- }