001/* 002 * Copyright 2002-2019 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.messaging; 018 019/** 020 * Simple contract for handling a {@link Message}. 021 * 022 * @author Mark Fisher 023 * @author Iwein Fuld 024 * @since 4.0 025 * @see ReactiveMessageHandler 026 */ 027@FunctionalInterface 028public interface MessageHandler { 029 030 /** 031 * Handle the given message. 032 * @param message the message to be handled 033 * @throws MessagingException if the handler failed to process the message 034 */ 035 void handleMessage(Message<?> message) throws MessagingException; 036 037}