/*
 * 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 jakarta.el;

Since:EL 3.0
/** * @since EL 3.0 */
public abstract class EvaluationListener {
Fired before the evaluation of the expression.
Params:
  • context – The EL context in which the expression will be evaluated
  • expression – The expression that will be evaluated
/** * 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.
Params:
  • context – The EL context in which the expression was evaluated
  • expression – The expression that was evaluated
/** * 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.
Params:
  • context – The EL context in which the property was resolved
  • base – The base object on which the property was resolved
  • property – The property that was resolved
/** * 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 } }