/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt 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.acl;
import java.util.Map;
import java.util.Set;
import org.jboss.security.authorization.AuthorizationException;
import org.jboss.security.authorization.Resource;
import org.jboss.security.identity.Identity;
import org.jboss.util.NotImplementedException;
/**
* <p>
* This class is a simple {@code ACLProvider} implementation that maintains the ACLs in memory. It is
* used mainly for testing purposes.
* </p>
*
* @author <a href="mailto:sguilhen@redhat.com">Stefan Guilhen</a>
*/
public class ACLProviderImpl implements ACLProvider
{
/** persistence strategy used to retrieve the ACLs */
private ACLPersistenceStrategy strategy;
/**
* @see org.jboss.security.acl.ACLProvider#initialize(java.util.Map, java.util.Map)
*/
public void initialize(Map<String, Object> sharedState, Map<String, Object> options)
{
}
/**
* @see org.jboss.security.acl.ACLProvider#getEntitlements(java.lang.Class, org.jboss.security.authorization.Resource,
* org.jboss.security.identity.Identity)
*/
public <T> Set<T> getEntitlements(Class<T> clazz, Resource resource, Identity identity)
throws AuthorizationException
{
throw new NotImplementedException();
}
/**
* @see org.jboss.security.acl.ACLProvider#getPersistenceStrategy()
*/
public ACLPersistenceStrategy getPersistenceStrategy()
{
return this.strategy;
}
/**
* @see org.jboss.security.acl.ACLProvider#setPersistenceStrategy(org.jboss.security.acl.ACLPersistenceStrategy)
*/
public void setPersistenceStrategy(ACLPersistenceStrategy strategy)
{
this.strategy = strategy;
}
/**
* @see org.jboss.security.acl.ACLProvider#isAccessGranted(org.jboss.security.authorization.Resource,
* org.jboss.security.identity.Identity, org.jboss.security.acl.ACLPermission)
*/
public boolean isAccessGranted(Resource resource, Identity identity, ACLPermission permission)
throws AuthorizationException
{
if (this.strategy != null)
{
ACL acl = strategy.getACL(resource);
if (acl != null)
return acl.isGranted(permission, identity);
else
throw new AuthorizationException("Unable to locate an ACL for the resource " + resource);
}
throw new AuthorizationException("Unable to retrieve ACL: persistece strategy not set");
}
/**
* @see org.jboss.security.acl.ACLProvider#tearDown()
*/
public boolean tearDown()
{
return true;
}
}