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/*******************************************************************************
 * ============LICENSE_START====================================================
 * * org.onap.aaf
 * * ===========================================================================
 * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
 * * ===========================================================================
 * * 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.
 * * ============LICENSE_END====================================================
 * *
 * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
 * *
 ******************************************************************************/
package com.att.cadi;

import java.security.Principal;

/**
 * The unique element of TAF is that we establish the relationship/mechanism to mutate the Principal derived from
 * one Authentication mechanism into a trustable Principal of another.  The mechanism needs to be decided by system
 * trusting.  
 * 
 * The Generic "T" is used so that the code used will be very specific for the implementation, enforced by Compiler
 * 
 * This interface will allow differences of trusting Transmutation of Authentication 
 *
 */
public interface Transmutate<T> {
	/**
	 * Mutate the (assumed validated) Principal into the expected Principal name to be used to construct
	 * 
	 * @param p
	 * @return
	 */
	public T mutate(Principal p);
}