spring ErrorResponse 源码
spring ErrorResponse 代码
文件路径：/spring-web/src/main/java/org/springframework/web/ErrorResponse.java
/*
* Copyright 2002-2022 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;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatusCode;
import org.springframework.http.ProblemDetail;
/**
* Representation of a complete RFC 7807 error response including status,
* headers, and an RFC 7808 formatted {@link ProblemDetail} body. Allows any
* exception to expose HTTP error response information.
*
* <p>{@link ErrorResponseException} is a default implementation of this
* interface and a convenient base class for other exceptions to use.
*
* <p>{@code ErrorResponse} is supported as a return value from
* {@code @ExceptionHandler} methods that render directly to the response, e.g.
* by being marked {@code @ResponseBody}, or declared in an
* {@code @RestController} or {@code RestControllerAdvice} class.
*
* @author Rossen Stoyanchev
* @since 6.0
* @see ErrorResponseException
*/
public interface ErrorResponse {
/**
* Return the HTTP status code to use for the response.
*/
HttpStatusCode getStatusCode();
/**
* Return headers to use for the response.
*/
default HttpHeaders getHeaders() {
return HttpHeaders.EMPTY;
}
/**
* Return the body for the response, formatted as an RFC 7807
* {@link ProblemDetail} whose {@link ProblemDetail#getStatus() status}
* should match the response status.
*/
ProblemDetail getBody();
}
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