import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
/**
* Class to hold the timestamp of a track point
private String _text = null;
private String _timeText = null;
- private static DateFormat DEFAULT_DATE_FORMAT = DateFormat.getDateTimeInstance();
- private static DateFormat DEFAULT_TIME_FORMAT = DateFormat.getTimeInstance();
- private static DateFormat ISO_8601_FORMAT = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
+ private static final DateFormat DEFAULT_DATE_FORMAT = DateFormat.getDateTimeInstance();
+ private static final DateFormat DEFAULT_TIME_FORMAT = DateFormat.getTimeInstance();
+ private static final DateFormat ISO_8601_FORMAT = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
+ private static final DateFormat ISO_8601_FORMAT_NOZ = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
private static DateFormat[] ALL_DATE_FORMATS = null;
private static Calendar CALENDAR = null;
+ private static final Pattern GENERAL_TIMESTAMP_PATTERN
+ = Pattern.compile("(\\d{4})\\D(\\d{2})\\D(\\d{2})\\D(\\d{2})\\D(\\d{2})\\D(\\d{2})");
private static long SECS_SINCE_1970 = 0L;
private static long SECS_SINCE_GARTRIP = 0L;
private static long MSECS_SINCE_1970 = 0L;
new SimpleDateFormat("HH:mm:ss dd MMM yyyy"),
new SimpleDateFormat("dd MMM yyyy HH:mm:ss"),
new SimpleDateFormat("yyyy MMM dd HH:mm:ss"),
- ISO_8601_FORMAT
+ ISO_8601_FORMAT, ISO_8601_FORMAT_NOZ
};
}
try
{
long rawValue = Long.parseLong(inString.trim());
- // check for each format possibility and pick nearest
- long diff1 = Math.abs(SECS_SINCE_1970 - rawValue);
- long diff2 = Math.abs(MSECS_SINCE_1970 - rawValue);
- long diff3 = Math.abs(MSECS_SINCE_1990 - rawValue);
- long diff4 = Math.abs(SECS_SINCE_GARTRIP - rawValue);
-
- // Start off with "seconds since 1970" format
- long smallestDiff = diff1;
- _seconds = rawValue;
- // Now check millis since 1970
- if (diff2 < smallestDiff)
- {
- // milliseconds since 1970
- _seconds = rawValue / 1000L;
- smallestDiff = diff2;
- }
- // Now millis since 1990
- if (diff3 < smallestDiff)
- {
- // milliseconds since 1990
- _seconds = rawValue / 1000L + TWENTY_YEARS_IN_SECS;
- smallestDiff = diff3;
- }
- // Lastly, check gartrip offset
- if (diff4 < smallestDiff)
- {
- // seconds since gartrip offset
- _seconds = rawValue + GARTRIP_OFFSET;
- }
+ _seconds = getSeconds(rawValue);
_valid = true;
}
catch (NumberFormatException nfe)
}
catch (ParseException e) {}
}
+ if (!_valid && inString.length() == 19)
+ {
+ final Matcher matcher = GENERAL_TIMESTAMP_PATTERN.matcher(inString);
+ if (matcher.matches())
+ {
+ try {
+ _seconds = getSeconds(Integer.parseInt(matcher.group(1)),
+ Integer.parseInt(matcher.group(2)),
+ Integer.parseInt(matcher.group(3)),
+ Integer.parseInt(matcher.group(4)),
+ Integer.parseInt(matcher.group(5)),
+ Integer.parseInt(matcher.group(6)));
+ _valid = true;
+ }
+ catch (NumberFormatException nfe2) {} // parse shouldn't fail if matcher matched
+ }
+ }
}
}
}
*/
public Timestamp(int inYear, int inMonth, int inDay, int inHour, int inMinute, int inSecond)
{
- Calendar cal = Calendar.getInstance();
- cal.set(Calendar.YEAR, inYear);
- cal.set(Calendar.MONTH, inMonth - 1);
- cal.set(Calendar.DAY_OF_MONTH, inDay);
- cal.set(Calendar.HOUR_OF_DAY, inHour);
- cal.set(Calendar.MINUTE, inMinute);
- cal.set(Calendar.SECOND, inSecond);
- cal.set(Calendar.MILLISECOND, 0);
- _seconds = cal.getTimeInMillis() / 1000;
+ _seconds = getSeconds(inYear, inMonth, inDay, inHour, inMinute, inSecond);
_valid = true;
}
}
+ /**
+ * Convert the given timestamp parameters into a number of seconds
+ * @param inYear year
+ * @param inMonth month, beginning with 1
+ * @param inDay day of month, beginning with 1
+ * @param inHour hour of day, 0-24
+ * @param inMinute minute
+ * @param inSecond seconds
+ * @return number of seconds
+ */
+ private static long getSeconds(int inYear, int inMonth, int inDay, int inHour, int inMinute, int inSecond)
+ {
+ Calendar cal = Calendar.getInstance();
+ cal.set(Calendar.YEAR, inYear);
+ cal.set(Calendar.MONTH, inMonth - 1);
+ cal.set(Calendar.DAY_OF_MONTH, inDay);
+ cal.set(Calendar.HOUR_OF_DAY, inHour);
+ cal.set(Calendar.MINUTE, inMinute);
+ cal.set(Calendar.SECOND, inSecond);
+ cal.set(Calendar.MILLISECOND, 0);
+ return cal.getTimeInMillis() / 1000;
+ }
+
+ /**
+ * Convert the given long parameters into a number of seconds
+ * @param inRawValue long value representing seconds / milliseconds
+ * @return number of seconds
+ */
+ private static long getSeconds(long inRawValue)
+ {
+ // check for each format possibility and pick nearest
+ long diff1 = Math.abs(SECS_SINCE_1970 - inRawValue);
+ long diff2 = Math.abs(MSECS_SINCE_1970 - inRawValue);
+ long diff3 = Math.abs(MSECS_SINCE_1990 - inRawValue);
+ long diff4 = Math.abs(SECS_SINCE_GARTRIP - inRawValue);
+
+ // Start off with "seconds since 1970" format
+ long smallestDiff = diff1;
+ long seconds = inRawValue;
+ // Now check millis since 1970
+ if (diff2 < smallestDiff)
+ {
+ // milliseconds since 1970
+ seconds = inRawValue / 1000L;
+ smallestDiff = diff2;
+ }
+ // Now millis since 1990
+ if (diff3 < smallestDiff)
+ {
+ // milliseconds since 1990
+ seconds = inRawValue / 1000L + TWENTY_YEARS_IN_SECS;
+ smallestDiff = diff3;
+ }
+ // Lastly, check gartrip offset
+ if (diff4 < smallestDiff)
+ {
+ // seconds since gartrip offset
+ seconds = inRawValue + GARTRIP_OFFSET;
+ }
+ return seconds;
+ }
+
/**
* @return true if timestamp is valid
*/
*/
public Timestamp createPlusOffset(TimeDifference inOffset)
{
- return new Timestamp((_seconds + inOffset.getTotalSeconds()) * 1000L);
+ return createPlusOffset(inOffset.getTotalSeconds());
+ }
+
+ /**
+ * Add the given number of seconds to this Timestamp
+ * @param inSeconds number of seconds to add
+ * @return new Timestamp object
+ */
+ public Timestamp createPlusOffset(long inSeconds)
+ {
+ return new Timestamp((_seconds + inSeconds) * 1000L);
}
*/
public String getText(int inFormat)
{
+ if (!_valid) {return "";}
if (inFormat == FORMAT_ISO_8601) {
return format(ISO_8601_FORMAT);
}
- if (_text == null)
- {
- if (_valid) {
- _text = format(DEFAULT_DATE_FORMAT);
- }
- else _text = "";
+ if (_text == null) {
+ _text = (_valid?format(DEFAULT_DATE_FORMAT):"");
}
return _text;
}