001/*
002 * Copyright 2002-2015 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.context.event;
018
019import java.lang.reflect.Method;
020
021import org.springframework.context.ApplicationListener;
022
023/**
024 * Strategy interface for creating {@link ApplicationListener} for methods
025 * annotated with {@link EventListener}.
026 *
027 * @author Stephane Nicoll
028 * @since 4.2
029 */
030public interface EventListenerFactory {
031
032        /**
033         * Specify if this factory supports the specified {@link Method}.
034         * @param method an {@link EventListener} annotated method
035         * @return {@code true} if this factory supports the specified method
036         */
037        boolean supportsMethod(Method method);
038
039        /**
040         * Create an {@link ApplicationListener} for the specified method.
041         * @param beanName the name of the bean
042         * @param type the target type of the instance
043         * @param method the {@link EventListener} annotated method
044         * @return an application listener, suitable to invoke the specified method
045         */
046        ApplicationListener<?> createApplicationListener(String beanName, Class<?> type, Method method);
047
048}