org.springframework.web.server.WebFilter Maven / Gradle / Ivy
/*
* Copyright 2002-2015 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.web.server;
import reactor.core.publisher.Mono;
/**
* Contract for interception-style, chained processing of Web requests that may
* be used to implement cross-cutting, application-agnostic requirements such
* as security, timeouts, and others.
*
* @author Rossen Stoyanchev
* @since 5.0
*/
public interface WebFilter {
/**
* Process the Web request and (optionally) delegate to the next
* {@code WebFilter} through the given {@link WebFilterChain}.
* @param exchange the current server exchange
* @param chain provides a way to delegate to the next filter
* @return {@code Mono} to indicate when request processing is complete
*/
Mono filter(ServerWebExchange exchange, WebFilterChain chain);
}