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.web.servlet.function;
018
019/**
020 * Represents a function that handles a {@linkplain ServerRequest request}.
021 *
022 * @author Arjen Poutsma
023 * @since 5.2
024 * @param <T> the type of the response of the function
025 * @see RouterFunction
026 */
027@FunctionalInterface
028public interface HandlerFunction<T extends ServerResponse> {
029
030        /**
031         * Handle the given request.
032         * @param request the request to handle
033         * @return the response
034         */
035        T handle(ServerRequest request) throws Exception;
036
037}