/*
 * Licensed to The Apereo Foundation under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 *
 * The Apereo Foundation licenses this file to you under the Educational
 * Community 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://opensource.org/licenses/ecl2.txt
 *
 * 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.opencastproject.mediapackage.identifier;

import javax.xml.bind.annotation.adapters.XmlAdapter;
import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;

/**
 * Interface for an identifier.
 */
@XmlJavaTypeAdapter(Id.Adapter.class)
public interface Id {

  class Adapter extends XmlAdapter<IdImpl, Id> {
    public IdImpl marshal(Id id) throws Exception {
      if (id instanceof IdImpl) {
        return (IdImpl) id;
      }
      throw new IllegalStateException("an unknown ID is un use: " + id);
    }

    public Id unmarshal(IdImpl id) throws Exception {
      return id;
    }
  }
}
