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.metadata.mpeg7;
23
24 import org.w3c.dom.Document;
25 import org.w3c.dom.Element;
26 import org.w3c.dom.Node;
27
28 /**
29 * Default implementation of the media time.
30 */
31 public class SpatioTemporalLocatorImpl implements SpatioTemporalLocator {
32
33 /** The media time */
34 protected MediaTime mediaTime = null;
35
36 /**
37 * Creates a new spatio temporal locator.
38 *
39 * @param time
40 * the time
41 */
42 public SpatioTemporalLocatorImpl(MediaTime time) {
43 this.mediaTime = time;
44 }
45
46 /**
47 * {@inheritDoc}
48 *
49 * @see org.opencastproject.metadata.mpeg7.SpatioTemporalLocator#setMediaTime(
50 * org.opencastproject.metadata.mpeg7.MediaTime)
51 */
52 @Override
53 public void setMediaTime(MediaTime time) {
54 if (time == null) {
55 throw new IllegalArgumentException("The media time must not be null");
56 }
57 this.mediaTime = time;
58 }
59
60 /**
61 * {@inheritDoc}
62 *
63 * @see org.opencastproject.metadata.mpeg7.SpatioTemporalLocator#getMediaTime()
64 */
65 @Override
66 public MediaTime getMediaTime() {
67 return mediaTime;
68 }
69
70 /**
71 * {@inheritDoc}
72 *
73 * @see org.opencastproject.mediapackage.XmlElement#toXml(org.w3c.dom.Document)
74 */
75 @Override
76 public Node toXml(Document document) {
77 Element l = document.createElement("SpatioTemporalLocator");
78 l.appendChild(mediaTime.toXml(document));
79 return l;
80 }
81
82 }