public static void main(String[] args) {
DecimalFormat decimalFormat = new DecimalFormat("00");
System.out.println(decimalFormat.format(7));
// f3();
Instant timestamp = Instant.ofEpochMilli(System.currentTimeMillis());
System.out.println(timestamp);
Instant current = Clock.system(ZoneId.of("Asia/Shanghai")).instant();
System.out.println(ZoneId.of("Asia/Shanghai").getRules());
System.out.println(current);
// System.out.println(System.currentTimeMillis());
// System.out.println(Instant.now().getEpochSecond());
}
@Test
public void testBasic() {
System.out.println(Year.now());
System.out.println(Year.of(2015));
System.out.println(Year.isLeap(2016));
Locale locale = Locale.getDefault();
System.out.println(Month.DECEMBER.getDisplayName(TextStyle.FULL, locale));
System.out.println(Month.DECEMBER.getDisplayName(TextStyle.SHORT, locale));
System.out.println(Month.DECEMBER.getDisplayName(TextStyle.NARROW, locale));
System.out.println(Month.DECEMBER.getDisplayName(TextStyle.FULL_STANDALONE, locale));
System.out.println(Month.of(8).ordinal());
System.out.println(Month.AUGUST.minus(2));
System.out.println(YearMonth.now());
System.out.println(MonthDay.now());
System.out.println(DayOfWeek.FRIDAY.plus(2));
System.out.println(DayOfWeek.of(1));
System.out.println(
DayOfWeek.from(LocalDateTime.ofInstant(Instant.now(), ZoneId.systemDefault())));
System.out.println(Period.between(Year.now().atDay(1), LocalDate.now()));
System.out.println(ChronoUnit.DAYS.between(Year.now().atDay(1), LocalDate.now()));
}
public static void main(String[] args) {
ZonedDateTime apollo11launch =
ZonedDateTime.of(1969, 7, 16, 9, 32, 0, 0, ZoneId.of("America/New_York"));
String formatted = DateTimeFormatter.ISO_DATE_TIME.format(apollo11launch);
// 1969-07-16T09:32:00-05:00[America/New_York]
System.out.println(formatted);
DateTimeFormatter formatter = DateTimeFormatter.ofLocalizedDateTime(FormatStyle.LONG);
formatted = formatter.format(apollo11launch);
// July 16, 1969 9:32:00 AM EDT
System.out.println(formatted);
formatted = formatter.withLocale(Locale.FRENCH).format(apollo11launch);
// 16 juillet 1969 09:32:00 EDT
System.out.println(formatted);
formatter = DateTimeFormatter.ofPattern("E yyyy-MM-dd HH:mm");
formatted = formatter.format(apollo11launch);
System.out.println(formatted);
LocalDate churchsBirthday = LocalDate.parse("1903-06-14");
System.out.println("churchsBirthday: " + churchsBirthday);
apollo11launch =
ZonedDateTime.parse(
"1969-07-16 03:32:00-0400", DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ssxx"));
System.out.println("apollo11launch: " + apollo11launch);
}
public class ApacheCombinedFormatLoggerTest {
LogRecordingHandler logRecords = new LogRecordingHandler();
Instant currentTime = LocalDateTime.of(2012, 6, 27, 12, 4, 0).toInstant(ZoneOffset.of("-05:00"));
ApacheCombinedFormatLogger apacheCommonLogger =
new ApacheCombinedFormatLogger(
anonymousLogger(logRecords), Clock.fixed(currentTime, ZoneId.of("GMT+01:00")), Locale.US);
Request request = new Request().protocol("HTTP/1.1").remoteIp("192.168.0.1");
Response response = new Response();
@Test
public void logsRequestsServedInApacheCombinedLogFormat() throws Exception {
request
.method(GET)
.uri("/products?keyword=dogs")
.addHeader(HeaderNames.REFERER, "http://lama/wool")
.addHeader(HeaderNames.USER_AGENT, "Mozilla/5.0 (compatible; MSIE 9.0; AOL 9.7)");
apacheCommonLogger.handle(request, response);
response.status(OK).body("a response with a size of 28").done();
response.await();
logRecords.assertEntries(
contains(
"192.168.0.1 - - [27/Jun/2012:18:04:00 +0100] \"GET /products?keyword=dogs HTTP/1.1\" 200 28 \"http://lama/wool\" \"Mozilla/5.0 (compatible; MSIE 9.0; AOL 9.7)\""));
}
@Test
public void logsEmptyStringWhenNoUserAgentInRequest() throws Exception {
request
.method(GET)
.uri("/products?keyword=dogs")
.addHeader(HeaderNames.REFERER, "http://lama/wool");
apacheCommonLogger.handle(request, response);
response.status(OK).body("a response with a size of 28").done();
response.await();
logRecords.assertEntries(
contains(
"192.168.0.1 - - [27/Jun/2012:18:04:00 +0100] \"GET /products?keyword=dogs HTTP/1.1\" 200 28 \"http://lama/wool\" \"\""));
}
@Test
public void logsEmptyStringWhenNoRefererInRequest() throws Exception {
request
.method(GET)
.uri("/products?keyword=dogs")
.addHeader(HeaderNames.USER_AGENT, "Mozilla/5.0 (compatible; MSIE 9.0; AOL 9.7)");
apacheCommonLogger.handle(request, response);
response.status(OK).body("a response with a size of 28").done();
response.await();
logRecords.assertEntries(
contains(
"192.168.0.1 - - [27/Jun/2012:18:04:00 +0100] \"GET /products?keyword=dogs HTTP/1.1\" 200 28 \"\" \"Mozilla/5.0 (compatible; MSIE 9.0; AOL 9.7)\""));
}
}
public static ZonedDateTime getNextSchedule() {
ZonedDateTime next_schedule;
// Determine type of schedule
if (ConfigHandler.backupInterval > 0) // Interval
{
next_schedule =
ZonedDateTime.ofInstant(
Instant.ofEpochMilli(
System.currentTimeMillis() + (ConfigHandler.backupInterval * 60 * 1000)),
ZoneId.systemDefault());
} else // Schedule
{
if (ConfigHandler.backupSchedule.length == 0) {
return null;
}
LocalTime now = LocalTime.now();
LocalTime next_time = null;
LocalDate day = LocalDate.now();
TreeSet<LocalTime> times = new TreeSet<>();
for (String s : ConfigHandler.backupSchedule) {
times.add(LocalTime.parse(s, DateTimeFormatter.ofPattern("H:mm")));
}
for (LocalTime t : times) // try to find next scheduled time for today
{
if (t.compareTo(now) == 1) {
next_time = t;
break;
}
}
if (next_time
== null) // if we couldn't find one for today take the first schedule time for tomorrow
{
day = day.plusDays(1);
next_time = times.first();
}
next_schedule = ZonedDateTime.of(day, next_time, ZoneId.systemDefault());
}
return next_schedule;
}
@Test
public void shouldPlayWithClocks() {
Clock c1 = Clock.systemDefaultZone();
print(c1.getZone() + "|" + c1.instant());
StringBuilder builder = new StringBuilder();
for (String zoneId : ZoneId.getAvailableZoneIds()) builder.append(zoneId).append(",");
print(builder);
ZoneId z1 = ZoneId.of("Australia/Tasmania");
Clock c2 = c1.withZone(z1);
print(c2.instant().atZone(z1));
LocalDate d1 = LocalDate.now(c1);
LocalDate d2 = LocalDate.now(c2);
print(d1 + "|" + d2);
}
public static void main(String[] args) {
LocalDateTime localDateTime = LocalDateTime.of(2016, 3, 27, 1, 20);
localDateTime = localDateTime.plusHours(1);
System.out.println(localDateTime);
ZoneId zoneId = ZoneId.of("Europe/Warsaw");
ZonedDateTime zonedDateTime = ZonedDateTime.of(localDateTime, zoneId);
System.out.println(zonedDateTime);
}
public static void main(String[] args) {
ZonedDateTime apollo11launch =
ZonedDateTime.of(1969, 7, 16, 9, 32, 0, 0, ZoneId.of("America/New_York"));
// 1969-07-16T09:32-04:00[America/New_York]
System.out.println("apollo11launch: " + apollo11launch);
Instant instant = apollo11launch.toInstant();
System.out.println("instant: " + instant);
ZonedDateTime zonedDateTime = instant.atZone(ZoneId.of("UTC"));
System.out.println("zonedDateTime: " + zonedDateTime);
ZonedDateTime skipped =
ZonedDateTime.of(
LocalDate.of(2013, 3, 31), LocalTime.of(2, 30), ZoneId.of("Europe/Berlin"));
// Constructs March 31 3:30
System.out.println("skipped: " + skipped);
ZonedDateTime ambiguous =
ZonedDateTime.of(
LocalDate.of(2013, 10, 27), // End of daylight savings time
LocalTime.of(2, 30),
ZoneId.of("Europe/Berlin"));
// 2013-10-27T02:30+02:00[Europe/Berlin]
ZonedDateTime anHourLater = ambiguous.plusHours(1);
// 2013-10-27T02:30+01:00[Europe/Berlin]
System.out.println("ambiguous: " + ambiguous);
System.out.println("anHourLater: " + anHourLater);
ZonedDateTime meeting =
ZonedDateTime.of(
LocalDate.of(2013, 10, 31), LocalTime.of(14, 30), ZoneId.of("America/Los_Angeles"));
System.out.println("meeting: " + meeting);
ZonedDateTime nextMeeting = meeting.plus(Duration.ofDays(7));
// Caution! Won’t work with daylight savings time
System.out.println("nextMeeting: " + nextMeeting);
nextMeeting = meeting.plus(Period.ofDays(7)); // OK
System.out.println("nextMeeting: " + nextMeeting);
}
@Test
public void testLocalDateTime() {
System.out.println(LocalDateTime.now());
System.out.println(LocalDateTime.of(1994, Month.MAY, 15, 11, 30));
System.out.println(LocalDateTime.ofInstant(Instant.now(), ZoneId.systemDefault()));
System.out.println(LocalDateTime.ofEpochSecond(1450749600, 0, ZoneOffset.ofHours(8)));
System.out.printf("6 months from now: %s%n", LocalDateTime.now().plusMonths(6));
System.out.printf("6 days ago: %s%n", LocalDateTime.now().minusDays(6));
System.out.println(DateTimeFormatter.ISO_DATE_TIME.format(LocalDateTime.now()));
System.out.println(DateTimeFormatter.ofPattern("MM-dd HH:mm").format(LocalDateTime.now()));
}
public List<String> follows(String userName) {
List<HashMap<String, String>> messages =
new ArrayList<HashMap<String, String>>(
restTemplate
.getForObject(baseURL + userName + "/follows.json", Resources.class)
.getContent());
LocalDateTime ldtNow =
(new Date()).toInstant().atZone(ZoneId.systemDefault()).toLocalDateTime();
List<String> following = new ArrayList<>();
for (HashMap<String, String> mapMessage : messages) {
following.add(mapMessage.get("followsUser"));
}
return following;
}
@Override
public LocalDateTime convert(Date source) {
return source == null
? null
: LocalDateTime.ofInstant(source.toInstant(), ZoneId.systemDefault());
}
@Override
public Date convert(LocalDateTime source) {
return source == null ? null : Date.from(source.atZone(ZoneId.systemDefault()).toInstant());
}
public static void main(String[] args) {
String joined = String.join("/", "usr", "local", "bin"); // "usr/local/bin"
System.out.println(joined);
String ids = String.join(", ", ZoneId.getAvailableZoneIds());
System.out.println(ids);
}
@Test
public void testLocalTime() {
System.out.println(LocalTime.now());
System.out.println(LocalTime.now(ZoneId.of("Asia/Tokyo")));
System.out.println(LocalTime.ofSecondOfDay(10000));
}
