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 /*
  * Licensed to Jasig under one or more contributor license
  * agreements. See the NOTICE file distributed with this work
  * for additional information regarding copyright ownership.
  * Jasig licenses this file to you 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 the following location:
  *
 *   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.jasig.cas.client.tomcat;
Describes Tomcat Realm implementations that do not require password for authentication.

Author(s):
Marvin S. Addison
Version:
$Revision$
Since:
3.1.12
public interface CasRealm {
    
Authenticates the given principal.

Parameters:
p Principal to authenticate.
Returns:
New principal.
    Principal authenticate(Principal p);

    
Gets the roles defined for the given principal.

Parameters:
p the principal to retrieve the roles for.
Returns:
Roles for given principal or empty array if none exist.
    String[] getRoles(Principal p);

    
Determines whether the given principal possesses the given role.

Parameters:
principal Principal to evaluate.
role Role to test for possession.
Returns:
True if principal has given role, false otherwise.
    boolean hasRole(Principal principalString role);
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