/* 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.acegisecurity.acls.sid;

 import org.acegisecurity.Authentication;

 import org.acegisecurity.GrantedAuthority;

 import java.util.List;

 import java.util.Vector;

 /**

  * Basic implementation of {@link SidRetrievalStrategy} that creates a {@link Sid} for the principal, as well as

  * every granted authority the principal holds.<p>The returned array will always contain the {@link PrincipalSid}

  * before any {@link GrantedAuthoritySid} elements.</p>

  *

  * @author Ben Alex

  * @version $Id: SidRetrievalStrategyImpl.java 1754 2006-11-17 02:01:21Z benalex $

  */

 public class SidRetrievalStrategyImpl implements SidRetrievalStrategy {

     //~ Methods ========================================================================================================

     public Sid[] getSids(Authentication authentication) {

         List list = new Vector();

         list.add(new PrincipalSid(authentication));

         GrantedAuthority[] authorities = authentication.getAuthorities();

         for (int i = 0; i < authorities.length; i++) {

             list.add(new GrantedAuthoritySid(authorities[i]));

         }

         return (Sid[]) list.toArray(new Sid[] {});

     }

 }