/*

  * Copyright 2007 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.ksb.security.credentials;

 import org.acegisecurity.Authentication;

 import org.acegisecurity.providers.UsernamePasswordAuthenticationToken;

 import org.acegisecurity.providers.x509.X509AuthenticationToken;

 import org.kuali.rice.core.security.credentials.Credentials;

 /**

  * 

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

  * @since 0.9

  *

  */

 public final class SecurityUtils {

         private SecurityUtils() {

                 throw new UnsupportedOperationException("do not call");

         }

         public static Authentication convertCredentialsToSecurityContext(final Credentials credentials) {

                 if (credentials instanceof X509Credentials) {

                         final X509Credentials c = (X509Credentials) credentials;

                         return new X509AuthenticationToken(c.getX509Certificate());

                 } else if (credentials instanceof UsernamePasswordCredentials) {

                         final UsernamePasswordCredentials c = (UsernamePasswordCredentials) credentials;

                         return new UsernamePasswordAuthenticationToken(c.getUsername(), c.getPassword());

                 }

                 return null;

         }

 }