spring ServerErrorException 源码
spring ServerErrorException 代码
文件路径：/spring-web/src/main/java/org/springframework/web/server/ServerErrorException.java
/*
* Copyright 2002-2021 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.web.server;
import java.lang.reflect.Method;
import org.springframework.core.MethodParameter;
import org.springframework.http.HttpStatus;
import org.springframework.lang.Nullable;
/**
* Exception for an {@link HttpStatus#INTERNAL_SERVER_ERROR} that exposes extra
* information about a controller method that failed, or a controller method
* argument that could not be resolved.
*
* @author Rossen Stoyanchev
* @since 5.0
*/
@SuppressWarnings("serial")
public class ServerErrorException extends ResponseStatusException {
@Nullable
private final Method handlerMethod;
@Nullable
private final MethodParameter parameter;
/**
* Constructor for a 500 error with a reason and an optional cause.
* @since 5.0.5
*/
public ServerErrorException(String reason, @Nullable Throwable cause) {
super(HttpStatus.INTERNAL_SERVER_ERROR, reason, cause);
this.handlerMethod = null;
this.parameter = null;
}
/**
* Constructor for a 500 error with a handler {@link Method} and an optional cause.
* @since 5.0.5
*/
public ServerErrorException(String reason, Method handlerMethod, @Nullable Throwable cause) {
super(HttpStatus.INTERNAL_SERVER_ERROR, reason, cause);
this.handlerMethod = handlerMethod;
this.parameter = null;
}
/**
* Constructor for a 500 error with a {@link MethodParameter} and an optional cause.
*/
public ServerErrorException(String reason, MethodParameter parameter, @Nullable Throwable cause) {
super(HttpStatus.INTERNAL_SERVER_ERROR, reason, cause);
this.handlerMethod = parameter.getMethod();
this.parameter = parameter;
}
/**
* Return the handler method associated with the error, if any.
* @since 5.0.5
*/
@Nullable
public Method getHandlerMethod() {
return this.handlerMethod;
}
/**
* Return the specific method parameter associated with the error, if any.
*/
@Nullable
public MethodParameter getMethodParameter() {
return this.parameter;
}
}
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