/*

* 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 javax.el;

/**

* @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

}

}