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Added logging to SessionRegistryImpl.

This commit is contained in:
Luke Taylor 2007-08-30 18:22:40 +00:00
parent 7fcdd4a6ff
commit aa4ee54f86
1 changed files with 33 additions and 13 deletions
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46
core/src/main/java/org/acegisecurity/concurrent/SessionRegistryImpl.java
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@ -21,6 +21,8 @@ import org.springframework.context.ApplicationEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.util.Assert;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import java.util.ArrayList;
import java.util.Collections;
@ -38,17 +40,21 @@ import javax.servlet.http.HttpSession;
* Base implementation of {@link org.acegisecurity.concurrent.SessionRegistry}
* which also listens for {@link org.acegisecurity.ui.session.HttpSessionDestroyedEvent}s
* published in the Spring application context.
*
*
* <p>
* NB: It is important that you register the {@link org.acegisecurity.ui.session.HttpSessionEventPublisher} in
* <code>web.xml</code> so that this class is notified of sessions that expire.
* </p>
*
*
* @author Ben Alex
* @version $Id$
*/
public class SessionRegistryImpl implements SessionRegistry, ApplicationListener {
// ~ Instance fields ===============================================================================================
//~ Static fields/initializers =====================================================================================
protected static final Log logger = LogFactory.getLog(SessionRegistryImpl.class);
// ~ Instance fields ===============================================================================================
private Map principals = Collections.synchronizedMap(new HashMap()); // <principal:Object,SessionIdSet>
private Map sessionIds = Collections.synchronizedMap(new HashMap()); // <sessionId:Object,SessionInformation>
@ -68,12 +74,12 @@ public class SessionRegistryImpl implements SessionRegistry, ApplicationListener
List list = new ArrayList();
synchronized (sessionsUsedByPrincipal) {
synchronized (sessionsUsedByPrincipal) {
for (Iterator iter = sessionsUsedByPrincipal.iterator(); iter.hasNext();) {
String sessionId = (String) iter.next();
SessionInformation sessionInformation = getSessionInformation(sessionId);
if (includeExpiredSessions || !sessionInformation.isExpired()) {
if (includeExpiredSessions || !sessionInformation.isExpired()) {
list.add(sessionInformation);
}
}
@ -105,17 +111,21 @@ public class SessionRegistryImpl implements SessionRegistry, ApplicationListener
}
}
public synchronized void registerNewSession(String sessionId, Object principal) {
public void registerNewSession(String sessionId, Object principal) {
Assert.hasText(sessionId, "SessionId required as per interface contract");
Assert.notNull(principal, "Principal required as per interface contract");
if (getSessionInformation(sessionId) != null) {
if (logger.isDebugEnabled()) {
logger.debug("Registering session " + sessionId +", for principal " + principal);
}
if (getSessionInformation(sessionId) != null) {
removeSessionInformation(sessionId);
}
sessionIds.put(sessionId, new SessionInformation(principal, sessionId, new Date()));
sessionIds.put(sessionId, new SessionInformation(principal, sessionId, new Date()));
Set sessionsUsedByPrincipal = (Set) principals.get(principal);
Set sessionsUsedByPrincipal = (Set) principals.get(principal);
if (sessionsUsedByPrincipal == null) {
sessionsUsedByPrincipal = Collections.synchronizedSet(new HashSet());
@ -132,17 +142,27 @@ public class SessionRegistryImpl implements SessionRegistry, ApplicationListener
SessionInformation info = getSessionInformation(sessionId);
if (info != null) {
sessionIds.remove(sessionId);
if (logger.isDebugEnabled()) {
logger.debug("Removing " + sessionId + " from set of registered sessions");
}
sessionIds.remove(sessionId);
Set sessionsUsedByPrincipal = (Set) principals.get(info.getPrincipal());
Set sessionsUsedByPrincipal = (Set) principals.get(info.getPrincipal());
if (sessionsUsedByPrincipal != null) {
if (sessionsUsedByPrincipal != null) {
synchronized (sessionsUsedByPrincipal) {
if (logger.isDebugEnabled()) {
logger.debug("Removing " + sessionId + " from principal's set of registered sessions");
}
sessionsUsedByPrincipal.remove(sessionId);
if (sessionsUsedByPrincipal.size() == 0) {
// No need to keep object in principals Map anymore
principals.remove(info.getPrincipal());
if (logger.isDebugEnabled()) {
logger.debug("Removing principal " + info.getPrincipal() + " from registry");
}
principals.remove(info.getPrincipal());
}
}
}