@Override
public Instant parse(String text, Locale locale) throws ParseException {
if (text.length() > 0 && Character.isDigit(text.charAt(0))) {
// assuming UTC instant a la "2007-12-03T10:15:30.00Z"
return Instant.parse(text);
} else {
// assuming RFC-1123 value a la "Tue, 3 Jun 2008 11:05:30 GMT"
return Instant.from(DateTimeFormatter.RFC_1123_DATE_TIME.parse(text));
}
}
public static void main(String[] args) {
System.out.println("Hello World!");
/* Issue1: Display total amount of free memory available to the JVM/User */
System.out.println("Free memory (bytes): " + Runtime.getRuntime().freeMemory());
/* Issue2: Display the current date to the user */
System.out.print(
java.time.format.DateTimeFormatter.RFC_1123_DATE_TIME
.format(java.time.ZonedDateTime.now())
.replaceFirst(".....$", "GMT")
+ ": "); // replace UTC offset with GMT
}
public static String getRfc1123FormattedDateTime() {
ZonedDateTime now = ZonedDateTime.now(ZoneId.of("GMT"));
return DateTimeFormatter.RFC_1123_DATE_TIME.format(now);
}
private String resolveLastModifiedRFC1123() {
Instant instant = new Date(lastModified).toInstant();
ZonedDateTime zonedDateTime = ZonedDateTime.ofInstant(instant, ZoneId.of("GMT"));
return DateTimeFormatter.RFC_1123_DATE_TIME.format(zonedDateTime);
}