Java Code Examples for java.util.TimeZone#getDefault()

The following examples show how to use java.util.TimeZone#getDefault() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
/**
 * Takes a JarInputStream and converts into a pack-stream.
 * <p>
 * Closes its input but not its output.  (Pack200 archives are appendable.)
 * <p>
 * The modification time and deflation hint attributes are not available,
 * for the jar-manifest file and the directory containing the file.
 *
 * @see #MODIFICATION_TIME
 * @see #DEFLATION_HINT
 * @param in a JarInputStream
 * @param out an OutputStream
 * @exception IOException if an error is encountered.
 */
public synchronized void pack(JarInputStream in, OutputStream out) throws IOException {
    assert(Utils.currentInstance.get() == null);
    TimeZone tz = (props.getBoolean(Utils.PACK_DEFAULT_TIMEZONE)) ? null :
        TimeZone.getDefault();
    try {
        Utils.currentInstance.set(this);
        if (tz != null) TimeZone.setDefault(TimeZone.getTimeZone("UTC"));
        if ("0".equals(props.getProperty(Pack200.Packer.EFFORT))) {
            Utils.copyJarFile(in, out);
        } else {
            (new DoPack()).run(in, out);
        }
    } finally {
        Utils.currentInstance.set(null);
        if (tz != null) TimeZone.setDefault(tz);
        in.close();
    }
}
 
Example 2
Source Project: tajo   File: TreeReaderFactory.java    License: Apache License 2.0 6 votes vote down vote up
protected TimestampTreeReader(TimeZone timeZone, int columnId, InStream presentStream, InStream dataStream,
                              InStream nanosStream, OrcProto.ColumnEncoding encoding, boolean skipCorrupt)
    throws IOException {
  super(columnId, presentStream);
  this.skipCorrupt = skipCorrupt;
  this.baseTimestampMap = new HashMap<>();
  this.readerTimeZone = timeZone;
  this.writerTimeZone = TimeZone.getDefault();
  this.hasSameTZRules = writerTimeZone.hasSameRules(readerTimeZone);
  this.base_timestamp = getBaseTimestamp(readerTimeZone.getID());
  if (encoding != null) {
    checkEncoding(encoding);

    if (dataStream != null) {
      this.data = createIntegerReader(encoding.getKind(), dataStream, true, skipCorrupt);
    }

    if (nanosStream != null) {
      this.nanos = createIntegerReader(encoding.getKind(), nanosStream, false, skipCorrupt);
    }
  }
}
 
Example 3
/**
 * Some checks for the getStart() method.
 */
@Test
public void testGetStart() {
    Locale saved = Locale.getDefault();
    Locale.setDefault(Locale.ITALY);
    TimeZone savedZone = TimeZone.getDefault();
    TimeZone.setDefault(TimeZone.getTimeZone("Europe/Rome"));
    Calendar cal = Calendar.getInstance(Locale.ITALY);
    cal.set(2006, Calendar.JANUARY, 16, 3, 47, 0);
    cal.set(Calendar.MILLISECOND, 0);
    Minute m = new Minute(47, 3, 16, 1, 2006);
    assertEquals(cal.getTime(), m.getStart());
    Locale.setDefault(saved);
    TimeZone.setDefault(savedZone);
}
 
Example 4
/**
 * Test 6 checks that 9am on Sunday 28 March 2004 converts to the timeline 
 * value and back again correctly.  Note that Saturday and Sunday are 
 * excluded from the timeline, so we expect the value to map to 9am on 
 * Monday 29 March 2004. This is during daylight saving.
 */
public void test6() {
    TimeZone savedZone = TimeZone.getDefault();
    TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
    Calendar cal = Calendar.getInstance(Locale.UK);
    cal.set(Calendar.YEAR, 2004);
    cal.set(Calendar.MONTH, Calendar.MARCH);
    cal.set(Calendar.DAY_OF_MONTH, 28);
    cal.set(Calendar.HOUR_OF_DAY, 9);
    cal.set(Calendar.MINUTE, 0);
    cal.set(Calendar.SECOND, 0);
    cal.set(Calendar.MILLISECOND, 0);
    Date date = cal.getTime();
    SegmentedTimeline timeline = getTimeline();      

    long value = timeline.toTimelineValue(date);   
    long ms = timeline.toMillisecond(value);
    Calendar cal2 = Calendar.getInstance(Locale.UK);
    cal2.setTime(new Date(ms));
    Date reverted = cal2.getTime();
  
    Calendar expectedReverted = Calendar.getInstance(Locale.UK);
    expectedReverted.set(Calendar.YEAR, 2004);
    expectedReverted.set(Calendar.MONTH, Calendar.MARCH);
    expectedReverted.set(Calendar.DAY_OF_MONTH, 29);
    expectedReverted.set(Calendar.HOUR_OF_DAY, 9);
    expectedReverted.set(Calendar.MINUTE, 0);
    expectedReverted.set(Calendar.SECOND, 0);
    expectedReverted.set(Calendar.MILLISECOND, 0);
  
    assertTrue(
        "test6", value == (900000 * 34 * 2) 
        && expectedReverted.getTime().getTime() == reverted.getTime()
    );
    TimeZone.setDefault(savedZone);
}
 
Example 5
Source Project: astor   File: HourTests.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Some checks for the getFirstMillisecond() method.
 */
public void testGetFirstMillisecond() {
    Locale saved = Locale.getDefault();
    Locale.setDefault(Locale.UK);
    TimeZone savedZone = TimeZone.getDefault();
    TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
    Hour h = new Hour(15, 1, 4, 2006);
    assertEquals(1143900000000L, h.getFirstMillisecond());
    Locale.setDefault(saved);
    TimeZone.setDefault(savedZone);
}
 
Example 6
Source Project: Aria   File: FTPTimestampParserImpl.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * sets a TimeZone represented by the supplied ID string into all
 * of the parsers used by this server.
 *
 * @param serverTimeZone Time Id java.util.TimeZone id used by
 * the ftp server.  If null the client's local time zone is assumed.
 */
private void setServerTimeZone(String serverTimeZoneId) {
  TimeZone serverTimeZone = TimeZone.getDefault();
  if (serverTimeZoneId != null) {
    serverTimeZone = TimeZone.getTimeZone(serverTimeZoneId);
  }
  this.defaultDateFormat.setTimeZone(serverTimeZone);
  if (this.recentDateFormat != null) {
    this.recentDateFormat.setTimeZone(serverTimeZone);
  }
}
 
Example 7
public static void main(String[] args) {
    if (args.length == 1) {
        duration = Math.max(10, Integer.parseInt(args[0]));
    }
    Locale savedLocale = Locale.getDefault();
    TimeZone savedTimeZone = TimeZone.getDefault();

    TimeZone.setDefault(TimeZone.getTimeZone("US/Pacific"));
    Locale.setDefault(Locale.US);

    masterSdf = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");

    try {
        // Once it is used, DecimalFormat becomes not thread-safe.
        Date d = masterSdf.parse(TIME_STRING);

        new Bug6335238();
    } catch (Exception e) {
        System.err.println(e);
        err = true;
    } finally {
        TimeZone.setDefault(savedTimeZone);
        Locale.setDefault(savedLocale);

        if (err) {
            throw new RuntimeException("Failed: Multiple DateFormat instances didn't work correctly.");
        } else {
            System.out.println("Passed.");
        }
    }
}
 
Example 8
Source Project: astor   File: SecondTests.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Some checks for the getLastMillisecond() method.
 */
public void testGetLastMillisecond() {
    Locale saved = Locale.getDefault();
    Locale.setDefault(Locale.UK);
    TimeZone savedZone = TimeZone.getDefault();
    TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
    Second s = new Second(1, 1, 1, 1, 1, 1970);
    assertEquals(61999L, s.getLastMillisecond());
    Locale.setDefault(saved);
    TimeZone.setDefault(savedZone);
}
 
Example 9
Source Project: astor   File: YearTests.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Some checks for the getLastMillisecond() method.
 */
public void testGetLastMillisecond() {
    Locale saved = Locale.getDefault();
    Locale.setDefault(Locale.UK);
    TimeZone savedZone = TimeZone.getDefault();
    TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
    Year y = new Year(1970);
    // TODO: Check this result...
    assertEquals(31532399999L, y.getLastMillisecond());
    Locale.setDefault(saved);
    TimeZone.setDefault(savedZone);
}
 
Example 10
/**
 * Test 6 checks that 9am on Sunday 28 March 2004 converts to the timeline
 * value and back again correctly.  Note that Saturday and Sunday are
 * excluded from the timeline, so we expect the value to map to 9am on
 * Monday 29 March 2004. This is during daylight saving.
 */
@Test
public void test6() {
    TimeZone savedZone = TimeZone.getDefault();
    TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
    Calendar cal = Calendar.getInstance(Locale.UK);
    cal.set(Calendar.YEAR, 2004);
    cal.set(Calendar.MONTH, Calendar.MARCH);
    cal.set(Calendar.DAY_OF_MONTH, 28);
    cal.set(Calendar.HOUR_OF_DAY, 9);
    cal.set(Calendar.MINUTE, 0);
    cal.set(Calendar.SECOND, 0);
    cal.set(Calendar.MILLISECOND, 0);
    Date date = cal.getTime();
    SegmentedTimeline timeline = getTimeline();

    long value = timeline.toTimelineValue(date);
    long ms = timeline.toMillisecond(value);
    Calendar cal2 = Calendar.getInstance(Locale.UK);
    cal2.setTime(new Date(ms));
    Date reverted = cal2.getTime();

    Calendar expectedReverted = Calendar.getInstance(Locale.UK);
    expectedReverted.set(Calendar.YEAR, 2004);
    expectedReverted.set(Calendar.MONTH, Calendar.MARCH);
    expectedReverted.set(Calendar.DAY_OF_MONTH, 29);
    expectedReverted.set(Calendar.HOUR_OF_DAY, 9);
    expectedReverted.set(Calendar.MINUTE, 0);
    expectedReverted.set(Calendar.SECOND, 0);
    expectedReverted.set(Calendar.MILLISECOND, 0);

    assertTrue("test6", value == (900000 * 34 * 2)
            && expectedReverted.getTime().getTime() == reverted.getTime());
    TimeZone.setDefault(savedZone);
}
 
Example 11
Source Project: openstock   File: WeekTest.java    License: GNU General Public License v3.0 5 votes vote down vote up
/**
 * Some checks for the getFirstMillisecond() method.
 */
@Test
public void testGetFirstMillisecond() {
    Locale saved = Locale.getDefault();
    Locale.setDefault(Locale.UK);
    TimeZone savedZone = TimeZone.getDefault();
    TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
    Week w = new Week(3, 1970);
    assertEquals(946800000L, w.getFirstMillisecond());
    Locale.setDefault(saved);
    TimeZone.setDefault(savedZone);
}
 
Example 12
@Test(expectedExceptions = ZoneRulesException.class)
public void test_systemDefault_unableToConvert_unknownId() {
    TimeZone current = TimeZone.getDefault();
    try {
        TimeZone.setDefault(new SimpleTimeZone(127, "SomethingWeird"));
        ZoneId.systemDefault();
    } finally {
        TimeZone.setDefault(current);
    }
}
 
Example 13
public static void main(String[] args) {
    TimeZone UTC = TimeZone.getTimeZone("UTC");
    TimeZone initTz = TimeZone.getDefault();

    List<String> errors = new ArrayList<>();
    try {
        TimeZone.setDefault(TimeZone.getTimeZone("America/Los_Angeles"));
        for (Locale locale : DateFormat.getAvailableLocales()) {
            // exclude any locales which localize "UTC".
            String utc = UTC.getDisplayName(false, SHORT, locale);
            if (!"UTC".equals(utc)) {
                System.out.println("Skipping " + locale + " due to localized UTC name: " + utc);
                continue;
            }
            SimpleDateFormat fmt = new SimpleDateFormat("z", locale);
            try {
                Date date = fmt.parse("UTC");
                // Parsed one may not exactly be UTC. Universal, UCT, etc. are equivalents.
                if (!fmt.getTimeZone().getID().matches("(Etc/)?(UTC|Universal|UCT|Zulu)")) {
                    errors.add("timezone: " + fmt.getTimeZone().getID()
                               + ", locale: " + locale);
                }
            } catch (ParseException e) {
                errors.add("parse exception: " + e + ", locale: " + locale);
            }
        }
    } finally {
        // Restore the default time zone
        TimeZone.setDefault(initTz);
    }

    if (!errors.isEmpty()) {
        System.out.println("Got unexpected results:");
        for (String s : errors) {
            System.out.println("    " + s);
        }
        throw new RuntimeException("Test failed.");
    } else {
        System.out.println("Test passed.");
    }
}
 
Example 14
@Override
public TimeZone getTimeZone()
{
  return TimeZone.getDefault();
}
 
Example 15
public static void main(String[] args) {
    TimeZone defaultTimeZone = TimeZone.getDefault();
    int errors = 0;

    Calendar cal = new GregorianCalendar(BEGIN_YEAR, MARCH, 1);
    String[] tzids = TimeZone.getAvailableIDs();
    try {
        for (String id : tzids) {
            TimeZone tz = TimeZone.getTimeZone(id);
            if (!tz.useDaylightTime()) {
                continue;
            }
            TimeZone.setDefault(tz);

          dateloop:
            // Use future dates because sun.util.calendar.ZoneInfo
            // delegates offset transition calculations to a SimpleTimeZone
            // (after 2038 as of JDK7).
            for (int year = BEGIN_YEAR; year < END_YEAR; year++) {
                for (int month = MARCH; month <= NOVEMBER; month++) {
                    cal.set(year, month, 1, 15, 0, 0);
                    int maxDom = cal.getActualMaximum(DAY_OF_MONTH);
                    for (int dom = 1; dom <= maxDom; dom++) {
                        Date date = new Date(year - 1900, month, dom);
                        if (date.getYear()+1900 != year
                            || date.getMonth() != month
                            || date.getDate() != dom) {
                            System.err.printf("%s: got %04d-%02d-%02d, expected %04d-%02d-%02d%n",
                                              id,
                                              date.getYear() + 1900,
                                              date.getMonth() + 1,
                                              date.getDate(),
                                              year,
                                              month + 1,
                                              dom);
                            errors++;
                            break dateloop;
                        }
                    }
                }
            }
        }
    } finally {
        // Restore the default TimeZone.
        TimeZone.setDefault(defaultTimeZone);
    }
    if (errors > 0) {
        throw new RuntimeException("Transition test failed");
    }
}
 
Example 16
/**
 * This method returns the number of milliseconds (UTC time) for today's date at midnight in
 * the local time zone. For example, if you live in California and the day is September 20th,
 * 2016 and it is 6:30 PM, it will return 1474329600000. Now, if you plug this number into an
 * Epoch time converter, you may be confused that it tells you this time stamp represents 8:00
 * PM on September 19th local time, rather than September 20th. We're concerned with the GMT
 * date here though, which is correct, stating September 20th, 2016 at midnight.
 *
 * As another example, if you are in Hong Kong and the day is September 20th, 2016 and it is
 * 6:30 PM, this method will return 1474329600000. Again, if you plug this number into an Epoch
 * time converter, you won't get midnight for your local time zone. Just keep in mind that we
 * are just looking at the GMT date here.
 *
 * This method will ALWAYS return the date at midnight (in GMT time) for the time zone you
 * are currently in. In other words, the GMT date will always represent your date.
 *
 * Since UTC / GMT time are the standard for all time zones in the world, we use it to
 * normalize our dates that are stored in the database. When we extract values from the
 * database, we adjust for the current time zone using time zone offsets.
 *
 * @return The number of milliseconds (UTC / GMT) for today's date at midnight in the local
 * time zone
 */
public static long getNormalizedUtcDateForToday() {

    /*
     * This number represents the number of milliseconds that have elapsed since January
     * 1st, 1970 at midnight in the GMT time zone.
     */
    long utcNowMillis = System.currentTimeMillis();

    /*
     * This TimeZone represents the device's current time zone. It provides us with a means
     * of acquiring the offset for local time from a UTC time stamp.
     */
    TimeZone currentTimeZone = TimeZone.getDefault();

    /*
     * The getOffset method returns the number of milliseconds to add to UTC time to get the
     * elapsed time since the epoch for our current time zone. We pass the current UTC time
     * into this method so it can determine changes to account for daylight savings time.
     */
    long gmtOffsetMillis = currentTimeZone.getOffset(utcNowMillis);

    /*
     * UTC time is measured in milliseconds from January 1, 1970 at midnight from the GMT
     * time zone. Depending on your time zone, the time since January 1, 1970 at midnight (GMT)
     * will be greater or smaller. This variable represents the number of milliseconds since
     * January 1, 1970 (GMT) time.
     */
    long timeSinceEpochLocalTimeMillis = utcNowMillis + gmtOffsetMillis;

    /* This method simply converts milliseconds to days, disregarding any fractional days */
    long daysSinceEpochLocal = TimeUnit.MILLISECONDS.toDays(timeSinceEpochLocalTimeMillis);

    /*
     * Finally, we convert back to milliseconds. This time stamp represents today's date at
     * midnight in GMT time. We will need to account for local time zone offsets when
     * extracting this information from the database.
     */
    long normalizedUtcMidnightMillis = TimeUnit.DAYS.toMillis(daysSinceEpochLocal);

    return normalizedUtcMidnightMillis;
}
 
Example 17
Source Project: openstock   File: Hour.java    License: GNU General Public License v3.0 2 votes vote down vote up
/**
 * Constructs a new instance, based on the supplied date/time and
 * the default time zone.
 *
 * @param time  the date-time (<code>null</code> not permitted).
 *
 * @see #Hour(Date, TimeZone)
 */
public Hour(Date time) {
    // defer argument checking...
    this(time, TimeZone.getDefault(), Locale.getDefault());
}
 
Example 18
/**
 * Since all dates from the database are in UTC, we must convert the given date
 * (in UTC timezone) to the date in the local timezone. Ths function performs that conversion
 * using the TimeZone offset.
 *
 * @param utcDate The UTC datetime to convert to a local datetime, in milliseconds.
 * @return The local date (the UTC datetime - the TimeZone offset) in milliseconds.
 */
public static long getLocalDateFromUTC(long utcDate) {
    TimeZone tz = TimeZone.getDefault();
    long gmtOffset = tz.getOffset(utcDate);
    return utcDate - gmtOffset;
}
 
Example 19
Source Project: ECG-Viewer   File: Second.java    License: GNU General Public License v2.0 2 votes vote down vote up
/**
 * Constructs a new instance from the specified date/time and the default
 * time zone..
 *
 * @param time  the time (<code>null</code> not permitted).
 *
 * @see #Second(Date, TimeZone)
 */
public Second(Date time) {
    this(time, TimeZone.getDefault(), Locale.getDefault());
}
 
Example 20
Source Project: org.hl7.fhir.core   File: DateTimeType.java    License: Apache License 2.0 2 votes vote down vote up
/**
 * Constructor which accepts a date value and a precision value. Valid precisions values for this type are:
 * <ul>
 * <li>{@link TemporalPrecisionEnum#YEAR}
 * <li>{@link TemporalPrecisionEnum#MONTH}
 * <li>{@link TemporalPrecisionEnum#DAY}
 * <li>{@link TemporalPrecisionEnum#SECOND}
 * <li>{@link TemporalPrecisionEnum#MILLI}
 * </ul>
 * 
 * @throws DataFormatException
 *             If the specified precision is not allowed for this type
 */
public DateTimeType(Date theDate, TemporalPrecisionEnum thePrecision) {
	super(theDate, thePrecision, TimeZone.getDefault());
}