/**
* Returns a description of the underlying formatters.
*
* @return string a description of this formatter, not null
*/
public function __toString()
{
$pattern = $this->printerParser->__toString();
$pattern = StringHelper::startsWith($pattern, "[") ? $pattern : substr($pattern, 1, strlen($pattern) - 2);
return $pattern;
// TODO: Fix tests to not depend on toString()
// return "DateTimeFormatter[" + locale +
// (chrono != null ? "," + chrono : "") +
// (zone != null ? "," + zone : "") +
// pattern + "]";
}
/**
* Parses the ID, taking a flag to indicate whether {@code ZoneRulesException}
* should be thrown or not, used in deserialization.
*
* TODO package visiblity
*
* @param string $zoneId the time-zone ID, not null
* @param bool $checkAvailable whether to check if the zone ID is available
* @return ZoneID the zone ID, not null
* @throws DateTimeException if the ID format is invalid
* @throws ZoneRulesException if checking availability and the ID cannot be found
*/
public static function _of($zoneId, $checkAvailable)
{
if (strlen($zoneId) <= 1 || StringHelper::startsWith("+", $zoneId) || StringHelper::startsWith("-", $zoneId)) {
return ZoneOffset::of($zoneId);
} else {
if (StringHelper::startsWith("UTC", $zoneId) || StringHelper::startsWith("GMT", $zoneId)) {
return self::ofWithPrefix($zoneId, 3, $checkAvailable);
} else {
if (StringHelper::startsWith("UT", $zoneId)) {
return self::ofWithPrefix($zoneId, 2, $checkAvailable);
}
}
}
return ZoneRegion::ofId($zoneId, $checkAvailable);
}