/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.security.auth;
import java.util.Iterator;
import java.util.List;
import java.util.Map.Entry;
import java.util.concurrent.ConcurrentHashMap;
import org.jboss.logging.Logger;
import org.jboss.security.integration.SecurityConstantsBridge;
import org.jboss.security.plugins.SecurityDomainContext;
import org.jboss.util.CachePolicy;
import org.jboss.util.TimedCachePolicy;
public class AuthenticationCacheFlushThread extends Thread
{
private static Logger log = Logger.getLogger(AuthenticationCacheFlushThread.class);
private static ConcurrentHashMap<String,SecurityDomainContext> securityMgrMap;
public AuthenticationCacheFlushThread(ConcurrentHashMap<String,SecurityDomainContext> securityMgrMap)
{
super("AuthenticationCacheFlushThread");
this.securityMgrMap = securityMgrMap;
}
public void run()
{
if (log.isDebugEnabled())
log.debug("Starting authentication cache flush thread");
while (true)
{
if (log.isTraceEnabled())
log.trace("Running authentication cache flush thread");
// scan all security domains
for (Entry<String, SecurityDomainContext> entry : securityMgrMap.entrySet())
{
String securityDomain = entry.getKey();
SecurityDomainContext securityDomainCtx = entry.getValue();
CachePolicy cache = securityDomainCtx.getAuthenticationCache();
AuthenticationTimedCachePolicy timedCache = null;
if (cache instanceof TimedCachePolicy)
{
timedCache = (AuthenticationTimedCachePolicy) cache;
}
if (timedCache != null)
{
if (log.isDebugEnabled())
log.debug("Scanning security domain " + securityDomain + " for expired entries");
List expiredEntries = timedCache.getInvalidKeys();
if (log.isTraceEnabled())
log.trace("Found " + expiredEntries.size() + " expired entries");
for (Iterator iterator = expiredEntries.iterator(); iterator.hasNext();)
{
Object expiredEntry = iterator.next();
timedCache.remove(expiredEntry);
}
}
}
try
{
if (this.isInterrupted() == false)
Thread.sleep(SecurityConstantsBridge.defaultCacheFlushPeriod * 1000);
else
break;
}
catch (InterruptedException ie)
{
break;
}
}
if (log.isDebugEnabled())
log.debug("Stopping authentication cache flush thread");
}
}