Convert a NSAppleEventDescriptor to a NSDate

DateConvert.m

// Inspired by StefanK http://macscripter.net/profile.php?id=14351
- (NSDate *)dateFromEventDescriptor:(NSAppleEventDescriptor *)descriptor
{
    NSDate *resultDate = nil;
    OSStatus status;
    CFAbsoluteTime absoluteTime;
    LongDateTime longDateTime;
    if ([descriptor descriptorType] == typeLongDateTime) {
        [[descriptor data] getBytes:&longDateTime length:sizeof(longDateTime)];
        status = UCConvertLongDateTimeToCFAbsoluteTime(longDateTime, &absoluteTime);
        if (status == noErr) {
            resultDate = [NSDate dateWithTimeIntervalSinceReferenceDate:absoluteTime];
        }
    }
    return resultDate;
}