// parses a datetime string that adhears to the given pattern and returns a java.util.Date object
public static java.util.Calendar parse(String input, String pattern)
throws IllegalArgumentException {
if (pattern == null) pattern = DEFAULT_DATETIME_PATTERN;
java.util.Calendar output = null;
if (input != null) {
if (pattern.equals("datetime")) {
output = javax.xml.bind.DatatypeConverter.parseDateTime(input);
} else if (pattern.equals("date")) {
output = javax.xml.bind.DatatypeConverter.parseDate(input);
} else if (pattern.equals("time")) {
output = javax.xml.bind.DatatypeConverter.parseTime(input);
} else if (pattern.equals("milliseconds")) {
output = java.util.Calendar.getInstance();
output.setTimeInMillis(Long.parseLong(input));
} else {
java.text.DateFormat formatter = new java.text.SimpleDateFormat(pattern);
formatter.setLenient(false);
output = java.util.Calendar.getInstance();
try {
output.setTime(formatter.parse(input));
} catch (java.text.ParseException ex) {
throw new IllegalArgumentException(tundra.exception.message(ex));
}
}
}
return output;
}
// returns the given datetime formatted as a string adhering to the given pattern
public static String emit(java.util.Calendar input, String pattern) {
if (pattern == null) pattern = DEFAULT_DATETIME_PATTERN;
String output = null;
if (input != null) {
if (pattern.equals("datetime")) {
output = javax.xml.bind.DatatypeConverter.printDateTime(input);
} else if (pattern.equals("date")) {
output = javax.xml.bind.DatatypeConverter.printDate(input);
} else if (pattern.equals("time")) {
output = javax.xml.bind.DatatypeConverter.printTime(input);
} else if (pattern.equals("milliseconds")) {
output = "" + input.getTimeInMillis();
} else {
java.text.DateFormat formatter = new java.text.SimpleDateFormat(pattern);
formatter.setLenient(false);
output = formatter.format(input.getTime());
}
}
return output;
}
