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import java.text.DateFormat;
import java.text.FieldPosition;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;
/**
* TimeStampFormatter.
* <p/>
* Date: Sep 17, 2005
* Time: 1:01:13 PM
*
* @author <a href="mailto:hs@tagtraum.com">Hendrik Schreiber</a>
*/
public class TimeFormat extends DateFormat {
private static final long ONE_SECOND = 1000l;
private static final long ONE_MINUTE = ONE_SECOND * 60l;
private static final long ONE_HOUR = ONE_MINUTE * 60l;
private static final long ONE_DAY = ONE_HOUR * 24l;
private SimpleDateFormat secondsFormat = new SimpleDateFormat("s's'");
private SimpleDateFormat minuteFormat = new SimpleDateFormat("m'm'");
private SimpleDateFormat hourFormat = new SimpleDateFormat("H'h'");
private DateFormat fullFormat = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM);
public TimeFormat() {
final TimeZone utcTimeZone = TimeZone.getTimeZone("UTC");
minuteFormat.setTimeZone(utcTimeZone);
hourFormat.setTimeZone(utcTimeZone);
}
public StringBuffer format(Date date, StringBuffer toAppendTo, FieldPosition fieldPosition) {
long time = date.getTime();
if (time >= ONE_DAY * 365) {
return fullFormat.format(date, toAppendTo, fieldPosition);
}
if (time >= ONE_DAY * 3) {
toAppendTo.append(time / ONE_DAY);
toAppendTo.append('d');
if (time % ONE_DAY != 0) {
hourFormat.format(date, toAppendTo, fieldPosition);
}
}
else if (time >= ONE_HOUR) {
toAppendTo.append(time / ONE_HOUR);
toAppendTo.append('h');
}
if (time >= ONE_MINUTE && time % ONE_HOUR !=0) {
minuteFormat.format(date, toAppendTo, fieldPosition);
}
if (time >= ONE_SECOND && time % ONE_MINUTE !=0) {
secondsFormat.format(date, toAppendTo, fieldPosition);
}
return toAppendTo;
}
public Date parse(String source, ParsePosition pos) {
throw new RuntimeException("Not implemented.");
}
}
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