// "YYYYMMDDhhZ", which is the shortest allowed value.
String valueString = value.toString().toUpperCase();
int length = valueString.length();
if (length < 11)
{
Message message =
WARN_ATTR_SYNTAX_GENERALIZED_TIME_TOO_SHORT.get(valueString);
throw new DirectoryException(
ResultCode.INVALID_ATTRIBUTE_SYNTAX, message);
}
// The first four characters are the century and year, and they must be
// numeric digits between 0 and 9.
for (int i=0; i < 4; i++)
{
switch (valueString.charAt(i))
{
case '0':
year = (year * 10);
break;
case '1':
year = (year * 10) + 1;
break;
case '2':
year = (year * 10) + 2;
break;
case '3':
year = (year * 10) + 3;
break;
case '4':
year = (year * 10) + 4;
break;
case '5':
year = (year * 10) + 5;
break;
case '6':
year = (year * 10) + 6;
break;
case '7':
year = (year * 10) + 7;
break;
case '8':
year = (year * 10) + 8;
break;
case '9':
year = (year * 10) + 9;
break;
default:
Message message = WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_YEAR.get(
valueString, String.valueOf(valueString.charAt(i)));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
}
// The next two characters are the month, and they must form the string
// representation of an integer between 01 and 12.
char m1 = valueString.charAt(4);
char m2 = valueString.charAt(5);
switch (m1)
{
case '0':
// m2 must be a digit between 1 and 9.
switch (m2)
{
case '1':
month = Calendar.JANUARY;
break;
case '2':
month = Calendar.FEBRUARY;
break;
case '3':
month = Calendar.MARCH;
break;
case '4':
month = Calendar.APRIL;
break;
case '5':
month = Calendar.MAY;
break;
case '6':
month = Calendar.JUNE;
break;
case '7':
month = Calendar.JULY;
break;
case '8':
month = Calendar.AUGUST;
break;
case '9':
month = Calendar.SEPTEMBER;
break;
default:
Message message =
WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_MONTH.get(valueString,
valueString.substring(4, 6));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
break;
case '1':
// m2 must be a digit between 0 and 2.
switch (m2)
{
case '0':
month = Calendar.OCTOBER;
break;
case '1':
month = Calendar.NOVEMBER;
break;
case '2':
month = Calendar.DECEMBER;
break;
default:
Message message =
WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_MONTH.get(valueString,
valueString.substring(4, 6));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
break;
default:
Message message =
WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_MONTH.get(valueString,
valueString.substring(4, 6));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
// The next two characters should be the day of the month, and they must
// form the string representation of an integer between 01 and 31.
// This doesn't do any validation against the year or month, so it will
// allow dates like April 31, or February 29 in a non-leap year, but we'll
// let those slide.
char d1 = valueString.charAt(6);
char d2 = valueString.charAt(7);
switch (d1)
{
case '0':
// d2 must be a digit between 1 and 9.
switch (d2)
{
case '1':
day = 1;
break;
case '2':
day = 2;
break;
case '3':
day = 3;
break;
case '4':
day = 4;
break;
case '5':
day = 5;
break;
case '6':
day = 6;
break;
case '7':
day = 7;
break;
case '8':
day = 8;
break;
case '9':
day = 9;
break;
default:
Message message =
WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_DAY.get(valueString,
valueString.substring(6, 8));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
break;
case '1':
// d2 must be a digit between 0 and 9.
switch (d2)
{
case '0':
day = 10;
break;
case '1':
day = 11;
break;
case '2':
day = 12;
break;
case '3':
day = 13;
break;
case '4':
day = 14;
break;
case '5':
day = 15;
break;
case '6':
day = 16;
break;
case '7':
day = 17;
break;
case '8':
day = 18;
break;
case '9':
day = 19;
break;
default:
Message message =
WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_DAY.get(valueString,
valueString.substring(6, 8));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
break;
case '2':
// d2 must be a digit between 0 and 9.
switch (d2)
{
case '0':
day = 20;
break;
case '1':
day = 21;
break;
case '2':
day = 22;
break;
case '3':
day = 23;
break;
case '4':
day = 24;
break;
case '5':
day = 25;
break;
case '6':
day = 26;
break;
case '7':
day = 27;
break;
case '8':
day = 28;
break;
case '9':
day = 29;
break;
default:
Message message =
WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_DAY.get(valueString,
valueString.substring(6, 8));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
break;
case '3':
// d2 must be either 0 or 1.
switch (d2)
{
case '0':
day = 30;
break;
case '1':
day = 31;
break;
default:
Message message =
WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_DAY.get(valueString,
valueString.substring(6, 8));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
break;
default:
Message message =
WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_DAY.get(valueString,
valueString.substring(6, 8));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
// The next two characters must be the hour, and they must form the string
// representation of an integer between 00 and 23.
char h1 = valueString.charAt(8);
char h2 = valueString.charAt(9);
switch (h1)
{
case '0':
switch (h2)
{
case '0':
hour = 0;
break;
case '1':
hour = 1;
break;
case '2':
hour = 2;
break;
case '3':
hour = 3;
break;
case '4':
hour = 4;
break;
case '5':
hour = 5;
break;
case '6':
hour = 6;
break;
case '7':
hour = 7;
break;
case '8':
hour = 8;
break;
case '9':
hour = 9;
break;
default:
Message message =
WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_HOUR.get(valueString,
valueString.substring(8, 10));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
break;
case '1':
switch (h2)
{
case '0':
hour = 10;
break;
case '1':
hour = 11;
break;
case '2':
hour = 12;
break;
case '3':
hour = 13;
break;
case '4':
hour = 14;
break;
case '5':
hour = 15;
break;
case '6':
hour = 16;
break;
case '7':
hour = 17;
break;
case '8':
hour = 18;
break;
case '9':
hour = 19;
break;
default:
Message message =
WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_HOUR.get(valueString,
valueString.substring(8, 10));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
break;
case '2':
switch (h2)
{
case '0':
hour = 20;
break;
case '1':
hour = 21;
break;
case '2':
hour = 22;
break;
case '3':
hour = 23;
break;
default:
Message message =
WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_HOUR.get(valueString,
valueString.substring(8, 10));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
break;
default:
Message message =
WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_HOUR.get(valueString,
valueString.substring(8, 10));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
// Next, there should be either two digits comprising an integer between 00
// and 59 (for the minute), a letter 'Z' (for the UTC specifier), a plus
// or minus sign followed by two or four digits (for the UTC offset), or a
// period or comma representing the fraction.
m1 = valueString.charAt(10);
switch (m1)
{
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
// There must be at least two more characters, and the next one must
// be a digit between 0 and 9.
if (length < 13)
{
Message message = WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_CHAR.get(
valueString, String.valueOf(m1), 10);
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
minute = 10 * (m1 - '0');
switch (valueString.charAt(11))
{
case '0':
break;
case '1':
minute += 1;
break;
case '2':
minute += 2;
break;
case '3':
minute += 3;
break;
case '4':
minute += 4;
break;
case '5':
minute += 5;
break;
case '6':
minute += 6;
break;
case '7':
minute += 7;
break;
case '8':
minute += 8;
break;
case '9':
minute += 9;
break;
default:
Message message = WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_MINUTE.
get(valueString,
valueString.substring(10, 12));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
break;
case 'Z':
// This is fine only if we are at the end of the value.
if (length == 11)
{
try
{
GregorianCalendar calendar = new GregorianCalendar();
calendar.setLenient(false);
calendar.setTimeZone(TIME_ZONE_UTC_OBJ);
calendar.set(year, month, day, hour, minute, second);
calendar.set(Calendar.MILLISECOND, 0);
return calendar.getTimeInMillis();
}
catch (Exception e)
{
if (debugEnabled())
{
TRACER.debugCaught(DebugLogLevel.ERROR, e);
}
// This should only happen if the provided date wasn't legal
// (e.g., September 31).
Message message = WARN_ATTR_SYNTAX_GENERALIZED_TIME_ILLEGAL_TIME.
get(valueString, String.valueOf(e));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message, e);
}
}
else
{
Message message = WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_CHAR.get(
valueString, String.valueOf(m1), 10);
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
case '+':
case '-':
// These are fine only if there are exactly two or four more digits that
// specify a valid offset.
if ((length == 13) || (length == 15))
{
try
{
GregorianCalendar calendar = new GregorianCalendar();
calendar.setLenient(false);
calendar.setTimeZone(getTimeZoneForOffset(valueString, 10));
calendar.set(year, month, day, hour, minute, second);
calendar.set(Calendar.MILLISECOND, 0);
return calendar.getTimeInMillis();
}
catch (Exception e)
{
if (debugEnabled())
{
TRACER.debugCaught(DebugLogLevel.ERROR, e);
}
// This should only happen if the provided date wasn't legal
// (e.g., September 31).
Message message = WARN_ATTR_SYNTAX_GENERALIZED_TIME_ILLEGAL_TIME.
get(valueString, String.valueOf(e));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message, e);
}
}
else
{
Message message = WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_CHAR.get(
valueString, String.valueOf(m1), 10);
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
case '.':
case ',':
return finishDecodingFraction(valueString, 11, year, month, day, hour,
minute, second, 3600000);
default:
Message message = WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_CHAR.get(
valueString, String.valueOf(m1), 10);
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
// Next, there should be either two digits comprising an integer between 00
// and 60 (for the second, including a possible leap second), a letter 'Z'
// (for the UTC specifier), a plus or minus sign followed by two or four
// digits (for the UTC offset), or a period or comma to start the fraction.
char s1 = valueString.charAt(12);
switch (s1)
{
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
// There must be at least two more characters, and the next one must
// be a digit between 0 and 9.
if (length < 15)
{
Message message = WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_CHAR.get(
valueString, String.valueOf(s1), 12);
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
second = 10 * (s1 - '0');
switch (valueString.charAt(13))
{
case '0':
break;
case '1':
second += 1;
break;
case '2':
second += 2;
break;
case '3':
second += 3;
break;
case '4':
second += 4;
break;
case '5':
second += 5;
break;
case '6':
second += 6;
break;
case '7':
second += 7;
break;
case '8':
second += 8;
break;
case '9':
second += 9;
break;
default:
Message message = WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_MINUTE.
get(valueString,
valueString.substring(12, 14));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
break;
case '6':
// There must be at least two more characters and the next one must be
// a 0.
if (length < 15)
{
Message message = WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_CHAR.get(
valueString, String.valueOf(s1), 12);
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
if (valueString.charAt(13) != '0')
{
Message message =
WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_SECOND.get(valueString,
valueString.substring(12, 14));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
second = 60;
break;
case 'Z':
// This is fine only if we are at the end of the value.
if (length == 13)
{
try
{
GregorianCalendar calendar = new GregorianCalendar();
calendar.setLenient(false);
calendar.setTimeZone(TIME_ZONE_UTC_OBJ);
calendar.set(year, month, day, hour, minute, second);
calendar.set(Calendar.MILLISECOND, 0);
return calendar.getTimeInMillis();
}
catch (Exception e)
{
if (debugEnabled())
{
TRACER.debugCaught(DebugLogLevel.ERROR, e);
}
// This should only happen if the provided date wasn't legal
// (e.g., September 31).
Message message = WARN_ATTR_SYNTAX_GENERALIZED_TIME_ILLEGAL_TIME.
get(valueString, String.valueOf(e));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message, e);
}
}
else
{
Message message = WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_CHAR.get(
valueString, String.valueOf(s1), 12);
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
case '+':
case '-':
// These are fine only if there are exactly two or four more digits that
// specify a valid offset.
if ((length == 15) || (length == 17))
{
try
{
GregorianCalendar calendar = new GregorianCalendar();
calendar.setLenient(false);
calendar.setTimeZone(getTimeZoneForOffset(valueString, 12));
calendar.set(year, month, day, hour, minute, second);
calendar.set(Calendar.MILLISECOND, 0);
return calendar.getTimeInMillis();
}
catch (Exception e)
{
if (debugEnabled())
{
TRACER.debugCaught(DebugLogLevel.ERROR, e);
}
// This should only happen if the provided date wasn't legal
// (e.g., September 31).
Message message = WARN_ATTR_SYNTAX_GENERALIZED_TIME_ILLEGAL_TIME.
get(valueString, String.valueOf(e));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message, e);
}
}
else
{
Message message = WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_CHAR.get(
valueString, String.valueOf(s1), 12);
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
case '.':
case ',':
return finishDecodingFraction(valueString, 13, year, month, day, hour,
minute, second, 60000);
default:
Message message = WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_CHAR.get(
valueString, String.valueOf(s1), 12);
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
// Next, there should be either a period or comma followed by between one
// and three digits (to specify the sub-second), a letter 'Z' (for the UTC
// specifier), or a plus or minus sign followed by two our four digits (for
// the UTC offset).
switch (valueString.charAt(14))
{
case '.':
case ',':
return finishDecodingFraction(valueString, 15, year, month, day, hour,
minute, second, 1000);
case 'Z':
// This is fine only if we are at the end of the value.
if (length == 15)
{
try
{
GregorianCalendar calendar = new GregorianCalendar();
calendar.setLenient(false);
calendar.setTimeZone(TIME_ZONE_UTC_OBJ);
calendar.set(year, month, day, hour, minute, second);
calendar.set(Calendar.MILLISECOND, 0);
return calendar.getTimeInMillis();
}
catch (Exception e)
{
if (debugEnabled())
{
TRACER.debugCaught(DebugLogLevel.ERROR, e);
}
// This should only happen if the provided date wasn't legal
// (e.g., September 31).
Message message = WARN_ATTR_SYNTAX_GENERALIZED_TIME_ILLEGAL_TIME.
get(valueString, String.valueOf(e));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message, e);
}
}
else
{
Message message = WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_CHAR.get(
valueString, String.valueOf(valueString.charAt(14)), 14);
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
case '+':
case '-':
// These are fine only if there are exactly two or four more digits that
// specify a valid offset.
if ((length == 17) || (length == 19))
{
try
{
GregorianCalendar calendar = new GregorianCalendar();
calendar.setLenient(false);
calendar.setTimeZone(getTimeZoneForOffset(valueString, 14));
calendar.set(year, month, day, hour, minute, second);
calendar.set(Calendar.MILLISECOND, 0);
return calendar.getTimeInMillis();
}
catch (Exception e)
{
if (debugEnabled())
{
TRACER.debugCaught(DebugLogLevel.ERROR, e);
}
// This should only happen if the provided date wasn't legal
// (e.g., September 31).
Message message = WARN_ATTR_SYNTAX_GENERALIZED_TIME_ILLEGAL_TIME.
get(valueString, String.valueOf(e));
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message, e);
}
}
else
{
Message message = WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_CHAR.get(
valueString, String.valueOf(valueString.charAt(14)), 14);
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
default:
Message message = WARN_ATTR_SYNTAX_GENERALIZED_TIME_INVALID_CHAR.get(
valueString, String.valueOf(valueString.charAt(14)), 14);
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
message);
}
}