/**
 * ============LICENSE_START====================================================
 * org.onap.aaf
 * ===========================================================================
 * Copyright (c) 2018 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====================================================
 *
 */

package org.onap.aaf.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
 * @author Jonathan
 *
 */
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);
}