spring MyErrorWebExceptionHandler 源码
springboot MyErrorWebExceptionHandler 代码
文件路径：/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/reactive/webflux/errorhandling/MyErrorWebExceptionHandler.java
/*
* Copyright 2012-2021 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.boot.docs.web.reactive.webflux.errorhandling;
import reactor.core.publisher.Mono;
import org.springframework.boot.autoconfigure.web.WebProperties.Resources;
import org.springframework.boot.autoconfigure.web.reactive.error.AbstractErrorWebExceptionHandler;
import org.springframework.boot.web.reactive.error.ErrorAttributes;
import org.springframework.context.ApplicationContext;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.stereotype.Component;
import org.springframework.web.reactive.function.server.RouterFunction;
import org.springframework.web.reactive.function.server.RouterFunctions;
import org.springframework.web.reactive.function.server.ServerRequest;
import org.springframework.web.reactive.function.server.ServerResponse;
import org.springframework.web.reactive.function.server.ServerResponse.BodyBuilder;
@Component
public class MyErrorWebExceptionHandler extends AbstractErrorWebExceptionHandler {
public MyErrorWebExceptionHandler(ErrorAttributes errorAttributes, Resources resources,
ApplicationContext applicationContext) {
super(errorAttributes, resources, applicationContext);
}
@Override
protected RouterFunction<ServerResponse> getRoutingFunction(ErrorAttributes errorAttributes) {
return RouterFunctions.route(this::acceptsXml, this::handleErrorAsXml);
}
private boolean acceptsXml(ServerRequest request) {
return request.headers().accept().contains(MediaType.APPLICATION_XML);
}
public Mono<ServerResponse> handleErrorAsXml(ServerRequest request) {
BodyBuilder builder = ServerResponse.status(HttpStatus.INTERNAL_SERVER_ERROR);
// ... additional builder calls
return builder.build();
}
}
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