spring SimpleHandlerAdapter 源码
spring SimpleHandlerAdapter 代码
文件路径：/spring-webflux/src/main/java/org/springframework/web/reactive/result/SimpleHandlerAdapter.java
/*
* Copyright 2002-2018 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
*
* https://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.reactive.result;
import reactor.core.publisher.Mono;
import org.springframework.web.reactive.DispatcherHandler;
import org.springframework.web.reactive.HandlerAdapter;
import org.springframework.web.reactive.HandlerResult;
import org.springframework.web.server.ServerWebExchange;
import org.springframework.web.server.WebHandler;
/**
* {@link HandlerAdapter} that allows using the plain {@link WebHandler} contract
* with the generic {@link DispatcherHandler}.
*
* @author Rossen Stoyanchev
* @author Sebastien Deleuze
* @since 5.0
*/
public class SimpleHandlerAdapter implements HandlerAdapter {
@Override
public boolean supports(Object handler) {
return WebHandler.class.isAssignableFrom(handler.getClass());
}
@Override
public Mono<HandlerResult> handle(ServerWebExchange exchange, Object handler) {
WebHandler webHandler = (WebHandler) handler;
Mono<Void> mono = webHandler.handle(exchange);
return mono.then(Mono.empty());
}
}
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