/*
* 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.zkoss.zel;
/**
* @since EL 3.0
*/
public abstract class EvaluationListener {
/**
* Fired before the evaluation of the expression.
*
* @param context The EL context in which the expression will be
* evaluated
* @param expression The expression that will be evaluated
*/
public void beforeEvaluation(ELContext context, String expression) {
// NO-OP
}
/**
* Fired after the evaluation of the expression.
*
* @param context The EL context in which the expression was evaluated
* @param expression The expression that was evaluated
*/
public void afterEvaluation(ELContext context, String expression) {
// NO-OP
}
/**
* Fired after a property has been resolved.
*
* @param context The EL context in which the property was resolved
* @param base The base object on which the property was resolved
* @param property The property that was resolved
*/
public void propertyResolved(ELContext context, Object base, Object property) {
// NO-OP
}
}