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Simplify getSessionAttributesHandler() method

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This commit is contained in:
Hyunjin Choi
2020-01-17 21:23:45 +09:00
committed by Rossen Stoyanchev
parent adbc55e72a
commit bac5cd866e
1 changed files with 2 additions and 6 deletions
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8
spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/RequestMappingHandlerAdapter.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2019 the original author or authors.
* Copyright 2002-2020 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.
@@ -825,11 +825,7 @@ public class RequestMappingHandlerAdapter extends AbstractHandlerMethodAdapter
SessionAttributesHandler sessionAttrHandler = this.sessionAttributesHandlerCache.get(handlerType);
if (sessionAttrHandler == null) {
synchronized (this.sessionAttributesHandlerCache) {
sessionAttrHandler = this.sessionAttributesHandlerCache.get(handlerType);
if (sessionAttrHandler == null) {
sessionAttrHandler = new SessionAttributesHandler(handlerType, this.sessionAttributeStore);
this.sessionAttributesHandlerCache.put(handlerType, sessionAttrHandler);
}
sessionAttrHandler = this.sessionAttributesHandlerCache.computeIfAbsent(handlerType, type -> new SessionAttributesHandler(type, this.sessionAttributeStore));
}
}
return sessionAttrHandler;