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Return UnmodifiableMap in MVC PathVariableMapMethodArgumentResolver 

See gh-28127
Closes gh-28352
This commit is contained in:
dugenkui03 2022-03-17 23:25:56 +08:00 committed by Sam Brannen
parent f40a391916
commit ffffa055f0
1 changed files with 2 additions and 3 deletions
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5
spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/PathVariableMapMethodArgumentResolver.java
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@ -1,5 +1,5 @@
/*
* Copyright 2002-2017 the original author or authors.
* 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.
@ -17,7 +17,6 @@
package org.springframework.web.servlet.mvc.method.annotation;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.Map;
import org.springframework.core.MethodParameter;
@ -63,7 +62,7 @@ public class PathVariableMapMethodArgumentResolver implements HandlerMethodArgum
HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE, RequestAttributes.SCOPE_REQUEST);
if (!CollectionUtils.isEmpty(uriTemplateVars)) {
return new LinkedHashMap<>(uriTemplateVars);
return Collections.unmodifiableMap(uriTemplateVars);
}
else {
return Collections.emptyMap();