/*
 * 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 org.apache.activemq.artemis.spi.core.security.jaas;

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

/**
 * Callback for obtaining information about a used H{@link Mac}
 */
public class HmacCallback implements Callback {

   private Mac hmac;

   /**
    * set the Hmac to use
    * @param hmac
    */
   public void setHmac(Mac hmac) {
      this.hmac = hmac;
   }

   /**
    * @return the Hmac or <code>null</code> if non could be obtained
    */
   public Mac getHmac() {
      return hmac;
   }

}
