/**
* Append a representation of the time zone of 'calendar' to 'buffer'.
*
* @param count the number of z or Z characters in the format string; "zzz" would be 3, for
* example.
* @param generalTimeZone true if we should use a display name ("PDT") if available; false implies
* that we should use RFC 822 format ("-0800") instead. This corresponds to 'z' versus 'Z' in
* the format string.
*/
private void appendTimeZone(StringBuffer buffer, int count, boolean generalTimeZone) {
if (generalTimeZone) {
TimeZone tz = calendar.getTimeZone();
boolean daylight = (calendar.get(Calendar.DST_OFFSET) != 0);
int style = count < 4 ? TimeZone.SHORT : TimeZone.LONG;
if (!formatData.customZoneStrings) {
buffer.append(tz.getDisplayName(daylight, style, formatData.locale));
return;
}
// We can't call TimeZone.getDisplayName() because it would not use
// the custom DateFormatSymbols of this SimpleDateFormat.
String custom =
TimeZoneNames.getDisplayName(formatData.zoneStrings, tz.getID(), daylight, style);
if (custom != null) {
buffer.append(custom);
return;
}
}
// We didn't find what we were looking for, so default to a numeric time zone.
appendNumericTimeZone(buffer, count, generalTimeZone);
}
