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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  
23  package org.opencastproject.metadata.mpeg7;
24  
25  import org.opencastproject.mediapackage.MediaPackageElementFlavor;
26  import org.opencastproject.metadata.api.MetadataCatalog;
27  
28  import org.w3c.dom.Document;
29  
30  import java.io.IOException;
31  
32  import javax.xml.parsers.ParserConfigurationException;
33  import javax.xml.transform.TransformerException;
34  
35  /**
36   * The <code>MPEG7</code> catalog encapsulates MPEG-7 metadata.
37   */
38  public interface Mpeg7Catalog extends Mpeg7, MetadataCatalog, Cloneable {
39    /** A flavor that matches any mpeg7 element */
40    MediaPackageElementFlavor ANY_MPEG7 = MediaPackageElementFlavor.parseFlavor("mpeg-7/*");
41  
42    /**
43     * Saves the catalog to disk.
44     *
45     * todo think about hiding technical exceptions
46     *
47     * @throws ParserConfigurationException
48     *           if the xml parser environment is not correctly configured
49     * @throws TransformerException
50     *           if serialization of the metadata document fails
51     * @throws IOException
52     *           if an error with catalog file handling occurs
53     */
54    Document toXml() throws ParserConfigurationException, TransformerException, IOException;
55  
56    Mpeg7Catalog clone();
57  }