/*
* Copyright 2004, 2005, 2006 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.springframework.security.cas.authentication;
/**
* Implementation of @link {@link StatelessTicketCache} that has no backing cache. Useful
* in instances where storing of tickets for stateless session management is not required.
* <p>
* This is the default StatelessTicketCache of the @link {@link CasAuthenticationProvider}
* to eliminate the unnecessary dependency on EhCache that applications have even if they
* are not using the stateless session management.
*
* @author Scott Battaglia
*
* @see CasAuthenticationProvider
*/
public final class NullStatelessTicketCache implements StatelessTicketCache {
/**
* @return null since we are not storing any tickets.
*/
public CasAuthenticationToken getByTicketId(final String serviceTicket) {
return null;
}
/**
* This is a no-op since we are not storing tickets.
*/
public void putTicketInCache(final CasAuthenticationToken token) {
// nothing to do
}
/**
* This is a no-op since we are not storing tickets.
*/
public void removeTicketFromCache(final CasAuthenticationToken token) {
// nothing to do
}
/**
* This is a no-op since we are not storing tickets.
*/
public void removeTicketFromCache(final String serviceTicket) {
// nothing to do
}
}