spring MissingRequestValueException 源码
spring MissingRequestValueException 代码
文件路径：/spring-web/src/main/java/org/springframework/web/server/MissingRequestValueException.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.server;
import org.springframework.core.MethodParameter;
/**
* {@link ServerWebInputException} subclass that indicates a missing request
* value such as a request header, cookie value, query parameter, etc.
*
* @author Rossen Stoyanchev
* @since 6.0
*/
@SuppressWarnings("serial")
public class MissingRequestValueException extends ServerWebInputException {
private final String name;
private final Class<?> type;
private final String label;
public MissingRequestValueException(String name, Class<?> type, String label, MethodParameter parameter) {
super("Required " + label + " '" + name + "' is not present.", parameter);
this.name = name;
this.type = type;
this.label = label;
getBody().setDetail(getReason());
}
/**
* Return the name of the missing value, e.g. the name of the missing request
* header, or cookie, etc.
*/
public String getName() {
return this.name;
}
/**
* Return the target type the value is converted when present.
*/
public Class<?> getType() {
return this.type;
}
/**
* Return a label that describes the request value, e.g. "request header",
* "cookie value", etc. Use this to create a custom message.
*/
public String getLabel() {
return this.label;
}
}
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