spring UnsatisfiedRequestParameterException 源码
spring UnsatisfiedRequestParameterException 代码
文件路径：/spring-web/src/main/java/org/springframework/web/server/UnsatisfiedRequestParameterException.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 java.util.List;
import org.springframework.util.MultiValueMap;
/**
* {@link ServerWebInputException} subclass that indicates an unsatisfied
* parameter condition, as typically expressed using an {@code @RequestMapping}
* annotation at the {@code @Controller} type level.
*
* @author Rossen Stoyanchev
* @since 6.0
*/
@SuppressWarnings("serial")
public class UnsatisfiedRequestParameterException extends ServerWebInputException {
private final List<String> conditions;
private final MultiValueMap<String, String> requestParams;
public UnsatisfiedRequestParameterException(
List<String> conditions, MultiValueMap<String, String> requestParams) {
super(initReason(conditions, requestParams));
this.conditions = conditions;
this.requestParams = requestParams;
getBody().setDetail("Invalid request parameters.");
}
private static String initReason(List<String> conditions, MultiValueMap<String, String> queryParams) {
StringBuilder sb = new StringBuilder("Parameter conditions ");
int i = 0;
for (String condition : conditions) {
if (i > 0) {
sb.append(" OR ");
}
sb.append('"').append(condition).append('"');
i++;
}
sb.append(" not met for actual request parameters: ").append(queryParams);
return sb.toString();
}
/**
* Return String representations of the unsatisfied condition(s).
*/
public List<String> getConditions() {
return this.conditions;
}
/**
* Return the actual request parameters.
*/
public MultiValueMap<String, String> getRequestParams() {
return this.requestParams;
}
}
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