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/*
* 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.bind;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import org.springframework.util.Assert;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;
/**
* {@link ServletRequestBindingException} subclass that indicates an unsatisfied
* parameter condition, as typically expressed using an {@code @RequestMapping}
* annotation at the {@code @Controller} type level.
*
* @author Juergen Hoeller
* @since 3.0
* @see org.springframework.web.bind.annotation.RequestMapping#params()
*/
@SuppressWarnings("serial")
public class UnsatisfiedServletRequestParameterException extends ServletRequestBindingException {
private final List paramConditions;
private final Map actualParams;
/**
* Create a new UnsatisfiedServletRequestParameterException.
* @param paramConditions the parameter conditions that have been violated
* @param actualParams the actual parameter Map associated with the ServletRequest
*/
public UnsatisfiedServletRequestParameterException(String[] paramConditions, Map actualParams) {
this(List.of(paramConditions), actualParams);
}
/**
* Create a new UnsatisfiedServletRequestParameterException.
* @param paramConditions all sets of parameter conditions that have been violated
* @param actualParams the actual parameter Map associated with the ServletRequest
* @since 4.2
*/
public UnsatisfiedServletRequestParameterException(
List paramConditions, Map actualParams) {
super("", null, new Object[] {paramsToStringList(paramConditions)});
this.paramConditions = paramConditions;
this.actualParams = actualParams;
getBody().setDetail("Invalid request parameters.");
}
private static List paramsToStringList(List paramConditions) {
Assert.notEmpty(paramConditions, "Parameter conditions must not be empty");
return paramConditions.stream()
.map(condition -> "\"" + StringUtils.arrayToDelimitedString(condition, ", ") + "\"")
.collect(Collectors.toList());
}
@Override
public String getMessage() {
StringBuilder sb = new StringBuilder("Parameter conditions ");
sb.append(String.join(" OR ", paramsToStringList(this.paramConditions)));
sb.append(" not met for actual request parameters: ");
sb.append(requestParameterMapToString(this.actualParams));
return sb.toString();
}
/**
* Return the parameter conditions that have been violated or the first group
* in case of multiple groups.
* @see org.springframework.web.bind.annotation.RequestMapping#params()
*/
public final String[] getParamConditions() {
return this.paramConditions.get(0);
}
/**
* Return all parameter condition groups that have been violated.
* @since 4.2
* @see org.springframework.web.bind.annotation.RequestMapping#params()
*/
public final List getParamConditionGroups() {
return this.paramConditions;
}
/**
* Return the actual parameter Map associated with the ServletRequest.
* @see jakarta.servlet.ServletRequest#getParameterMap()
*/
public final Map getActualParams() {
return this.actualParams;
}
private static String requestParameterMapToString(Map actualParams) {
StringBuilder result = new StringBuilder();
for (Iterator> it = actualParams.entrySet().iterator(); it.hasNext();) {
Map.Entry entry = it.next();
result.append(entry.getKey()).append('=').append(ObjectUtils.nullSafeToString(entry.getValue()));
if (it.hasNext()) {
result.append(", ");
}
}
return result.toString();
}
}