spring ServerWebInputException 源码
spring ServerWebInputException 代码
文件路径：/spring-web/src/main/java/org/springframework/web/server/ServerWebInputException.java
/*
* Copyright 2002-2017 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 org.springframework.core.MethodParameter;
import org.springframework.http.HttpStatus;
import org.springframework.lang.Nullable;
/**
* Exception for errors that fit response status 400 (bad request) for use in
* Spring Web applications. The exception provides additional fields (e.g.
* an optional {@link MethodParameter} if related to the error).
*
* @author Rossen Stoyanchev
* @since 5.0
*/
@SuppressWarnings("serial")
public class ServerWebInputException extends ResponseStatusException {
@Nullable
private final MethodParameter parameter;
/**
* Constructor with an explanation only.
*/
public ServerWebInputException(String reason) {
this(reason, null, null);
}
/**
* Constructor for a 400 error linked to a specific {@code MethodParameter}.
*/
public ServerWebInputException(String reason, @Nullable MethodParameter parameter) {
this(reason, parameter, null);
}
/**
* Constructor for a 400 error with a root cause.
*/
public ServerWebInputException(String reason, @Nullable MethodParameter parameter, @Nullable Throwable cause) {
super(HttpStatus.BAD_REQUEST, reason, cause);
this.parameter = parameter;
}
/**
* Return the {@code MethodParameter} associated with this error, if any.
*/
@Nullable
public MethodParameter getMethodParameter() {
return this.parameter;
}
}
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