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SEC-543: Added null guard clauses to reduce nesting and increase readability.

This commit is contained in:
Luke Taylor 2008-01-29 15:55:29 +00:00
parent c9de2f6c9f
commit 9fe181046b
1 changed files with 27 additions and 22 deletions
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13
core/src/main/java/org/springframework/security/concurrent/SessionRegistryImpl.java
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@ -145,15 +145,22 @@ public class SessionRegistryImpl implements SessionRegistry, ApplicationListener
SessionInformation info = getSessionInformation(sessionId); SessionInformation info = getSessionInformation(sessionId);
if (info != null) { if (info == null) {
return;
}
if (logger.isDebugEnabled()) { if (logger.isDebugEnabled()) {
logger.debug("Removing session " + sessionId + " from set of registered sessions"); logger.debug("Removing session " + sessionId + " from set of registered sessions");
} }
sessionIds.remove(sessionId); sessionIds.remove(sessionId);
Set sessionsUsedByPrincipal = (Set) principals.get(info.getPrincipal()); Set sessionsUsedByPrincipal = (Set) principals.get(info.getPrincipal());
if (sessionsUsedByPrincipal != null) { if (sessionsUsedByPrincipal == null) {
return;
}
synchronized (sessionsUsedByPrincipal) { synchronized (sessionsUsedByPrincipal) {
if (logger.isDebugEnabled()) { if (logger.isDebugEnabled()) {
logger.debug("Removing session " + sessionId + " from principal's set of registered sessions"); logger.debug("Removing session " + sessionId + " from principal's set of registered sessions");
@ -170,6 +177,4 @@ public class SessionRegistryImpl implements SessionRegistry, ApplicationListener
} }
} }
} }
}
}
} }