/**

  * Copyright 2005-2011 The Kuali Foundation

  *

  * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php

  *

  * 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.kuali.rice.kim.client.acegi;

 import org.acegisecurity.Authentication;

 import org.acegisecurity.AuthenticationException;

 import org.acegisecurity.GrantedAuthority;

 import org.acegisecurity.GrantedAuthorityImpl;

 import org.acegisecurity.providers.AuthenticationProvider;

 import org.acegisecurity.providers.UsernamePasswordAuthenticationToken;

 import org.apache.commons.logging.Log;

 import org.apache.commons.logging.LogFactory;

 /**

  * This is the out of box authentication method used by rice.  It authenticates any username/password pairs that match  

  * 

  * @author Kuali Rice Team (rice.collab@kuali.org)

  *

  */

 public class KualiTestAuthenticationProvider implements AuthenticationProvider {

         public Authentication authenticate(Authentication authentication)

         throws AuthenticationException {

         if (authentication.getPrincipal().equals(authentication.getCredentials())) {

                 Authentication auth = authenticateNow(authentication);

                 return auth;

         } else {

                 return authentication;

         }

     }

     private UsernamePasswordAuthenticationToken authenticateNow(Authentication authentication) throws AuthenticationException {

             return new UsernamePasswordAuthenticationToken(authentication.getPrincipal(), authentication.getCredentials(), new GrantedAuthority[] {new GrantedAuthorityImpl("ROLE_KUALI_USER")});

     }

     public boolean supports(Class authentication) {

         if (UsernamePasswordAuthenticationToken.class.isAssignableFrom(authentication)) {

             return true;

         } else {

             return false;

         }

     }

 }