/*
* Licensed under the GPL License. You may not use this file except in
* compliance with the License. You may obtain a copy of the License at
*
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
* THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
package com.googlecode.psiprobe.jsp;
import java.io.IOException;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Silly JSP tag to display duration in milliseconds as hours:minutes:seconds.milliseconds
*
* @author Vlad Ilyushchenko
*/
public class DurationTag extends TagSupport {
private static Log logger = LogFactory.getLog(DurationTag.class);
private long value;
public void setValue(long value) {
this.value = value;
}
public int doStartTag() throws JspException {
try {
pageContext.getOut().write(duration(value));
} catch (IOException e) {
logger.debug(e.getMessage());
throw new JspException(e);
}
return EVAL_BODY_INCLUDE;
}
public static String duration(long value) {
long millis = value % 1000;
long sec = value / 1000;
long mins = sec / 60;
long hours = mins / 60;
sec = sec % 60;
mins = mins % 60;
return hours + ":" + long2Str(mins) + ":" + long2Str(sec) + "." + long3Str(millis);
}
private static String long2Str(long l) {
return l < 10 ? "0"+l : Long.toString(l);
}
private static String long3Str(long l) {
return l < 10 ? "00"+l : l < 100 ? "0"+l : Long.toString(l);
}
}