org.acegisecurity.providers.cas.cache.EhCacheBasedTicketCache Maven / Gradle / Ivy
/* Copyright 2004 Acegi Technology Pty Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.acegisecurity.providers.cas.cache;
import org.acegisecurity.providers.cas.CasAuthenticationToken;
import org.acegisecurity.providers.cas.StatelessTicketCache;
import net.sf.ehcache.Cache;
import net.sf.ehcache.CacheException;
import net.sf.ehcache.Element;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.dao.DataRetrievalFailureException;
import org.springframework.util.Assert;
/**
* Caches tickets using a Spring IoC defined EHCACHE.
*
* @author Ben Alex
* @version $Id: EhCacheBasedTicketCache.java,v 1.8 2005/11/17 00:55:48 benalex Exp $
*/
public class EhCacheBasedTicketCache implements StatelessTicketCache,
InitializingBean {
//~ Static fields/initializers =============================================
private static final Log logger = LogFactory.getLog(EhCacheBasedTicketCache.class);
//~ Instance fields ========================================================
private Cache cache;
//~ Methods ================================================================
public CasAuthenticationToken getByTicketId(String serviceTicket) {
Element element = null;
try {
element = cache.get(serviceTicket);
} catch (CacheException cacheException) {
throw new DataRetrievalFailureException("Cache failure: "
+ cacheException.getMessage());
}
if (logger.isDebugEnabled()) {
logger.debug("Cache hit: " + (element != null)
+ "; service ticket: " + serviceTicket);
}
if (element == null) {
return null;
} else {
return (CasAuthenticationToken) element.getValue();
}
}
public void setCache(Cache cache) {
this.cache = cache;
}
public Cache getCache() {
return cache;
}
public void afterPropertiesSet() throws Exception {
Assert.notNull(cache, "cache mandatory");
}
public void putTicketInCache(CasAuthenticationToken token) {
Element element = new Element(token.getCredentials().toString(), token);
if (logger.isDebugEnabled()) {
logger.debug("Cache put: " + element.getKey());
}
cache.put(element);
}
public void removeTicketFromCache(CasAuthenticationToken token) {
if (logger.isDebugEnabled()) {
logger.debug("Cache remove: " + token.getCredentials().toString());
}
this.removeTicketFromCache(token.getCredentials().toString());
}
public void removeTicketFromCache(String serviceTicket) {
cache.remove(serviceTicket);
}
}
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