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/*
 * Copyright 1999-2010 University of Chicago
 *
 * 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.
 */
package org.globus.gsi.gssapi.auth;

import org.ietf.jgss.GSSException;
import org.ietf.jgss.GSSName;
import org.ietf.jgss.GSSCredential;

/**
 * GSSAPI client authorization.
 */
public abstract class GSSAuthorization extends Authorization {

    /**
     * Returns expected GSSName used for authorization purposes.
     * Can returns null for self authorization.
     *
     * @param cred credentials used
     * @param host host address of the peer.
     * @exception GSSException if unable to create the name.
     */
    public abstract GSSName getExpectedName(GSSCredential cred, String host)
	throws GSSException;

}