org.opencastproject.metadata.mpeg7.MediaTimeImpl Maven / Gradle / Ivy
/**
* 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.metadata.mpeg7;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* TODO: Comment me!
*/
public class MediaTimeImpl implements MediaTime {
/** The media time point */
protected MediaTimePoint mediaTimePoint = null;
/** The media duration */
protected MediaDuration mediaDuration = null;
/**
* Creates a media time object representing the given timepoint and duration.
*
* @param timePoint
* the time point
* @param duration
* the duration
*/
public MediaTimeImpl(MediaTimePoint timePoint, MediaDuration duration) {
mediaTimePoint = timePoint;
mediaDuration = duration;
}
/**
* Creates a media time object from the given long values for timepoint and duration.
*
* @param time
* the time in milliseconds
* @param duration
* the duration in milliseconds
*/
public MediaTimeImpl(long time, long duration) {
mediaTimePoint = new MediaTimePointImpl(time);
mediaDuration = new MediaDurationImpl(duration);
}
/**
* Creates a media time object from the given string representations for timepoint and duration.
*
* @param time
* the timepoint string representation
* @param duration
* the duration string representation
*/
MediaTimeImpl(String time, String duration) {
mediaTimePoint = MediaTimePointImpl.parseTimePoint(time);
mediaDuration = MediaDurationImpl.parseDuration(duration);
}
/**
* @see org.opencastproject.metadata.mpeg7.MediaTime#getMediaDuration()
*/
public MediaDuration getMediaDuration() {
return mediaDuration;
}
/**
* @see org.opencastproject.metadata.mpeg7.MediaTime#getMediaTimePoint()
*/
public MediaTimePoint getMediaTimePoint() {
return mediaTimePoint;
}
/**
* Parses a media time and duration.
*
* @param time
* @param duration
* @return the
*/
public static MediaTime parse(String time, String duration) {
MediaTime mediaTime = new MediaTimeImpl(time, duration);
return mediaTime;
}
/**
* @see org.opencastproject.mediapackage.XmlElement#toXml(org.w3c.dom.Document)
*/
public Node toXml(Document document) {
Element node = document.createElement("MediaTime");
if (mediaTimePoint != null)
node.appendChild(mediaTimePoint.toXml(document));
if (mediaDuration != null)
node.appendChild(mediaDuration.toXml(document));
return node;
}
}