only try to restore attribute if the value differs (ignoring Portlet spec attributes; SPR-6712)

git-svn-id: https://src.springframework.org/svn/spring-framework/trunk@2829 50f2f4bb-b051-0410-bef5-90022cba6387
This commit is contained in:
Juergen Hoeller 2010-01-18 15:51:00 +00:00
parent 58e1f08112
commit 730a3ffaa6
1 changed files with 8 additions and 8 deletions

View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2009 the original author or authors.
* Copyright 2002-2010 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.
@ -1151,18 +1151,18 @@ public class DispatcherServlet extends FrameworkServlet {
// or removing the attribute, respectively, if appropriate.
for (String attrName : attrsToCheck) {
Object attrValue = attributesSnapshot.get(attrName);
if (attrValue != null) {
if (logger.isDebugEnabled()) {
logger.debug("Restoring original value of attribute [" + attrName + "] after include");
}
request.setAttribute(attrName, attrValue);
}
else {
if (attrValue == null){
if (logger.isDebugEnabled()) {
logger.debug("Removing attribute [" + attrName + "] after include");
}
request.removeAttribute(attrName);
}
else if (attrValue != request.getAttribute(attrName)) {
if (logger.isDebugEnabled()) {
logger.debug("Restoring original value of attribute [" + attrName + "] after include");
}
request.setAttribute(attrName, attrValue);
}
}
}