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}