spring ErrorAttributes 源码
springboot ErrorAttributes 代码
文件路径：/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/reactive/error/ErrorAttributes.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.web.reactive.error;
import java.util.Collections;
import java.util.Map;
import org.springframework.boot.web.error.ErrorAttributeOptions;
import org.springframework.web.reactive.function.server.ServerRequest;
import org.springframework.web.reactive.function.server.ServerResponse;
import org.springframework.web.server.ServerWebExchange;
/**
* Provides access to error attributes which can be logged or presented to the user.
*
* @author Brian Clozel
* @author Scott Frederick
* @since 2.0.0
* @see DefaultErrorAttributes
*/
public interface ErrorAttributes {
/**
* Name of the {@link ServerRequest#attribute(String) request attribute} holding the
* error resolved by the {@code ErrorAttributes} implementation.
* @since 2.5.0
*/
String ERROR_ATTRIBUTE = ErrorAttributes.class.getName() + ".error";
/**
* Return a {@link Map} of the error attributes. The map can be used as the model of
* an error page, or returned as a {@link ServerResponse} body.
* @param request the source request
* @param options options for error attribute contents
* @return a map of error attributes
*/
default Map<String, Object> getErrorAttributes(ServerRequest request, ErrorAttributeOptions options) {
return Collections.emptyMap();
}
/**
* Return the underlying cause of the error or {@code null} if the error cannot be
* extracted.
* @param request the source ServerRequest
* @return the {@link Exception} that caused the error or {@code null}
*/
Throwable getError(ServerRequest request);
/**
* Store the given error information in the current {@link ServerWebExchange}.
* @param error the {@link Exception} that caused the error
* @param exchange the source exchange
*/
void storeErrorInformation(Throwable error, ServerWebExchange exchange);
}
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spring DefaultErrorAttributes 源码
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- 本文标签： Spring Boot Java Spring
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