org.springframework.web.reactive.handler.WebFluxResponseStatusExceptionHandler Maven / Gradle / Ivy
/*
* 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
*
* 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.reactive.handler;
import org.springframework.core.annotation.AnnotatedElementUtils;
import org.springframework.http.HttpStatus;
import org.springframework.lang.Nullable;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.server.handler.ResponseStatusExceptionHandler;
/**
* Common WebFlux exception handler that detects instances of
* {@link org.springframework.web.server.ResponseStatusException}
* (inherited from the base class) as well as exceptions annotated with
* {@link ResponseStatus @ResponseStatus} by determining the HTTP status
* for them and updating the status of the response accordingly.
*
* If the response is already committed, the error remains unresolved
* and is propagated.
*
* @author Juergen Hoeller
* @author Rossen Stoyanchev
* @since 5.0.5
*/
public class WebFluxResponseStatusExceptionHandler extends ResponseStatusExceptionHandler {
@Override
@Nullable
protected HttpStatus determineStatus(Throwable ex) {
HttpStatus status = super.determineStatus(ex);
if (status == null) {
ResponseStatus ann = AnnotatedElementUtils.findMergedAnnotation(ex.getClass(), ResponseStatus.class);
if (ann != null) {
status = ann.code();
}
}
return status;
}
}