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 contributor license agreements.  See the NOTICE file distributed with
 this work for additional information regarding copyright ownership.
 The ASF 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
    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.
/**
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF 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
 *
 *     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 javax.security.auth.message.callback;

import javax.crypto.SecretKey;
import javax.security.auth.callback.Callback;

A callback enabling an authentication module to request a secret key from the
runtime, by supplying an alias. Other request types may also be supported.
/**
 * A callback enabling an authentication module to request a secret key from the
 * runtime, by supplying an alias. Other request types may also be supported.
 */
public class SecretKeyCallback implements Callback {

    private final Request request;
    private SecretKey key;

    public SecretKeyCallback(Request request) {
        this.request = request;
    }

    public Request getRequest() {
        return request;
    }

    public void setKey(SecretKey key) {
        this.key = key;
    }

    public SecretKey getKey() {
        return key;
    }

    public static interface Request {
    }

    public static class AliasRequest implements Request {

        private final String alias;

        public AliasRequest(String alias) {
            this.alias = alias;
        }

        public String getAlias() {
            return alias;
        }
    }
}