Duration.java

/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Copyright (c) since 2004 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <hr>
* <a href="http://www.openolat.org">
* OpenOLAT - Online Learning and Training</a><br>
* This file has been modified by the OpenOLAT community. Changes are licensed
* under the Apache 2.0 license as the original file.
*/

package org.olat.ims.qti.editor.beecom.objects;

import org.dom4j.Element;
import org.olat.ims.qti.process.QTIHelper;

/**
 * Initial Date:  01.09.2003
 *
 * @author Mike Stock
 */
public class Duration implements QTIObject {

	private int iMin;
	private int iSec;
	
	public Duration(long millis) {
		setDuration(millis);
	}
	
	public Duration(String sMin, String sSec) {
		setDuration(sMin, sSec);
	}
	
	private long getMillis() {
		return ((iMin * 60) + iSec) * 1000;
	}
	
	/* (non-Javadoc)
	 * @see org.olat.ims.qti.editor.beecom.objects.QTIObject#addToElement(org.dom4j.Element)
	 */
	public void addToElement(Element root) {
		Element duration = root.addElement("duration");
		duration.setText(getISODuration());
	}

	public void setDuration(String min, String sec) {
		try {
			iMin = Integer.parseInt(min);
			iSec = Integer.parseInt(sec);
		} catch (NumberFormatException nfe) { return; }
	}
	
	public void setDuration(long millis) {
		long iTmpSec = millis / 1000;
		iMin = (int)(iTmpSec / 60);
		iSec = (int)(iTmpSec - (iMin * 60));
	}
	
	public String getISODuration() {
		return QTIHelper.getISODuration(getMillis());
	}
	
	public int getMin() { return iMin; }
	
	public int getSec() { return iSec; }
	
	public boolean isSet() { return getMillis() > 0; }
}