1 /*
2 * Licensed to The Apereo Foundation under one or more contributor license
3 * agreements. See the NOTICE file distributed with this work for additional
4 * information regarding copyright ownership.
5 *
6 *
7 * The Apereo Foundation licenses this file to you under the Educational
8 * Community License, Version 2.0 (the "License"); you may not use this file
9 * except in compliance with the License. You may obtain a copy of the License
10 * at:
11 *
12 * http://opensource.org/licenses/ecl2.txt
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
16 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
17 * License for the specific language governing permissions and limitations under
18 * the License.
19 *
20 */
21
22 package org.opencastproject.mediapackage.identifier;
23
24 import javax.xml.bind.annotation.adapters.XmlAdapter;
25 import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
26
27 /**
28 * Interface for an identifier.
29 */
30 @XmlJavaTypeAdapter(Id.Adapter.class)
31 public interface Id {
32
33 class Adapter extends XmlAdapter<IdImpl, Id> {
34 public IdImpl marshal(Id id) throws Exception {
35 if (id instanceof IdImpl) {
36 return (IdImpl) id;
37 }
38 throw new IllegalStateException("an unknown ID is un use: " + id);
39 }
40
41 public Id unmarshal(IdImpl id) throws Exception {
42 return id;
43 }
44 }
45 }