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.web.server; 018 019import reactor.core.publisher.Mono; 020 021/** 022 * Contract to allow a {@link WebFilter} to delegate to the next in the chain. 023 * 024 * @author Rossen Stoyanchev 025 * @since 5.0 026 */ 027public interface WebFilterChain { 028 029 /** 030 * Delegate to the next {@code WebFilter} in the chain. 031 * @param exchange the current server exchange 032 * @return {@code Mono<Void>} to indicate when request handling is complete 033 */ 034 Mono<Void> filter(ServerWebExchange exchange); 035 036}