/*
* Copyright 2002-2013 the original author or authors.
*
* 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.springframework.security.cas.authentication;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.cache.Cache;
import org.springframework.util.Assert;
/**
* Caches tickets using a Spring IoC defined {@link Cache}.
*
* @author Marten Deinum
* @since 3.2
*
*/
public class SpringCacheBasedTicketCache implements StatelessTicketCache {
// ~ Static fields/initializers
// =====================================================================================
private static final Log logger = LogFactory
.getLog(SpringCacheBasedTicketCache.class);
// ~ Instance fields
// ================================================================================================
private final Cache cache;
// ~ Constructors
// ===================================================================================================
public SpringCacheBasedTicketCache(Cache cache) throws Exception {
Assert.notNull(cache, "cache mandatory");
this.cache = cache;
}
// ~ Methods
// ========================================================================================================
public CasAuthenticationToken getByTicketId(final String serviceTicket) {
final Cache.ValueWrapper element = serviceTicket != null ? cache
.get(serviceTicket) : null;
if (logger.isDebugEnabled()) {
logger.debug("Cache hit: " + (element != null) + "; service ticket: "
+ serviceTicket);
}
return element == null ? null : (CasAuthenticationToken) element.get();
}
public void putTicketInCache(final CasAuthenticationToken token) {
String key = token.getCredentials().toString();
if (logger.isDebugEnabled()) {
logger.debug("Cache put: " + key);
}
cache.put(key, token);
}
public void removeTicketFromCache(final CasAuthenticationToken token) {
if (logger.isDebugEnabled()) {
logger.debug("Cache remove: " + token.getCredentials().toString());
}
this.removeTicketFromCache(token.getCredentials().toString());
}
public void removeTicketFromCache(final String serviceTicket) {
cache.evict(serviceTicket);
}
}