Author: fschumacher
Date: Sun Mar 13 11:39:54 2016
New Revision: 1734789
URL: http://svn.apache.org/viewvc?rev=1734789&view=rev
Log:
Convert usage of Map#putIfAbsent to java 7
Modified:
tomcat/tc8.5.x/trunk/java/org/apache/catalina/util/CustomObjectInputStream.java
Modified:
tomcat/tc8.5.x/trunk/java/org/apache/catalina/util/CustomObjectInputStream.java
URL:
http://svn.apache.org/viewvc/tomcat/tc8.5.x/trunk/java/org/apache/catalina/util/CustomObjectInputStream.java?rev=1734789&r1=1734788&r2=1734789&view=diff
==============================================================================
---
tomcat/tc8.5.x/trunk/java/org/apache/catalina/util/CustomObjectInputStream.java
(original)
+++
tomcat/tc8.5.x/trunk/java/org/apache/catalina/util/CustomObjectInputStream.java
Sun Mar 13 11:39:54 2016
@@ -113,14 +113,15 @@ public final class CustomObjectInputStre
}
if (reportedClasses == null) {
reportedClasses = Collections.newSetFromMap(new
ConcurrentHashMap<String,Boolean>());
- Set<String> original;
synchronized (reportedClassCache) {
- original = reportedClassCache.putIfAbsent(classLoader,
reportedClasses);
- }
- if (original != null) {
- // Concurrent attempts to create the new Set. Make sure all
- // threads use the first successfully added Set.
- reportedClasses = original;
+ Set<String> original = reportedClassCache.get(classLoader);
+ if (original == null) {
+ reportedClassCache.put(classLoader, reportedClasses);
+ } else {
+ // Concurrent attempts to create the new Set. Make sure all
+ // threads use the first successfully added Set.
+ reportedClasses = original;
+ }
}
}
this.reportedClasses = reportedClasses;
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