Java Code Examples for java.text.DateFormat#parse()

public static int compare_date(String DATE1, String DATE2) {
    DateFormat df = new SimpleDateFormat("yyyy-MM-dd hh:mm");
    try {
        Date dt1 = df.parse(DATE1);
        Date dt2 = df.parse(DATE2);
        if (dt1.getTime() > dt2.getTime()) {

            return 1;
        } else if (dt1.getTime() < dt2.getTime()) {

            return -1;
        } else {
            return 0;
        }
    } catch (Exception exception) {
        exception.printStackTrace();
    }
    return 0;
}
 

public static Date getDateFromFormattedString(String dateAndTime, String simpleDateFormat) {
    
    if ((dateAndTime == null) || (simpleDateFormat == null)) {
        return null;
    }
    
    try {
        DateFormat formatter = new SimpleDateFormat(simpleDateFormat);
        Date dateDateAndTime = formatter.parse(dateAndTime);
        
        return dateDateAndTime;
    }
    catch (Exception e) {
        logger.error(e.toString() + System.lineSeparator() + StackTrace.getStringFromStackTrace(e));
        return null;
    }
}
 

protected Object convertToDate(Class type, Object value, String pattern) {
    DateFormat df = new SimpleDateFormat(pattern);
    if (value instanceof String) {
        try {
            if (StringUtils.isEmpty(value.toString())) {
                return null;
            }

            Date date = df.parse((String) value);
            if (type.equals(Timestamp.class)) {
                return new Timestamp(date.getTime());
            }
            return date;
        } catch (Exception pe) {
            pe.printStackTrace();
            throw new ConversionException("Error converting String to Date");
        }
    }

    throw new ConversionException("Could not convert " +
                                  value.getClass().getName() + " to " +
                                  type.getName());
}
 

private synchronized static Date doParse (String sVal) {
    Date dVal = null;
    for (DateFormat format : TIME_PARSING_FORMATS) {
        try {
            dVal = format.parse (sVal);
            break;
        } catch (ParseException ex) {
            Logger.getLogger (TimeType.class.getName ()).log (Level.FINEST, ex.getLocalizedMessage () , ex);
        }
    }
    return dVal;
}
 

@Test
public void testTimeZone() throws ParseException
{
  final DateFormat df = new SimpleDateFormat("yyyy-MM-dd hh:mm");
  df.setTimeZone(DateHelper.EUROPE_BERLIN);
  final Date mezDate = df.parse("2008-03-14 17:25");
  final long mezMillis = mezDate.getTime();
  df.setTimeZone(DateHelper.UTC);
  final Date utcDate = df.parse("2008-03-14 16:25");
  final long utcMillis = utcDate.getTime();
  assertEquals(mezMillis, utcMillis);
}
 

@Test
public void eqFilterOnDate() throws Exception {
	DateFormat format = new SimpleDateFormat("dd/MM/yyyy");
	Date date;
	date = format.parse("01/01/2008");
	Filter filter = filterCreator.createCompareFilter(ATTR__ONE_TO_MANY__DOT__DATE, "==", date);
	Iterator<?> it = layer.getElements(filter, 0, 0);
	int t = 0;
	while (it.hasNext()) {
		Assert.assertTrue("Returned object must be a HibernateTestFeature",
				it.next() instanceof HibernateTestFeature);
		t++;
	}
	Assert.assertEquals(2, t);
}
 

@Test
public void testGetDateArrayWithFormat() throws Exception
{
    final DateFormat format = new SimpleDateFormat("MM/dd/yyyy");
    final Date date1 = format.parse("01/01/2004");
    final Date date2 = format.parse("12/31/2004");
    final Date[] expected = new Date[] { date1, date2 };

    conf.addProperty("date.format", "01/01/2004");
    conf.addProperty("date.format", "12/31/2004");
    ArrayAssert.assertEquals("Wrong dates with format", expected, conf.getDateArray("date.format", "MM/dd/yyyy"));
}
 

@Test
public void testDefaultValueHandling() throws Exception {
	Dao<AllTypesDefault, Object> allDao = createDao(AllTypesDefault.class, true);
	AllTypesDefault all = new AllTypesDefault();
	assertEquals(1, allDao.create(all));
	assertEquals(1, allDao.refresh(all));
	List<AllTypesDefault> allList = allDao.queryForAll();
	assertEquals(1, allList.size());
	all.stringField = DEFAULT_STRING_VALUE;
	DateFormat defaultDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSSSSS", Locale.US);
	all.dateField = defaultDateFormat.parse(DEFAULT_DATE_VALUE);
	all.dateLongField = new Date(Long.parseLong(DEFAULT_DATE_LONG_VALUE));
	DateFormat defaultDateStringFormat = new SimpleDateFormat(DEFAULT_DATE_STRING_FORMAT, Locale.US);
	all.dateStringField = defaultDateStringFormat.parse(DEFAULT_DATE_STRING_VALUE);
	all.booleanField = Boolean.parseBoolean(DEFAULT_BOOLEAN_VALUE);
	all.booleanObj = Boolean.parseBoolean(DEFAULT_BOOLEAN_VALUE);
	all.byteField = Byte.parseByte(DEFAULT_BYTE_VALUE);
	all.byteObj = Byte.parseByte(DEFAULT_BYTE_VALUE);
	all.shortField = Short.parseShort(DEFAULT_SHORT_VALUE);
	all.shortObj = Short.parseShort(DEFAULT_SHORT_VALUE);
	all.intField = Integer.parseInt(DEFAULT_INT_VALUE);
	all.intObj = Integer.parseInt(DEFAULT_INT_VALUE);
	all.longField = Long.parseLong(DEFAULT_LONG_VALUE);
	all.longObj = Long.parseLong(DEFAULT_LONG_VALUE);
	all.floatField = Float.parseFloat(DEFAULT_FLOAT_VALUE);
	all.floatObj = Float.parseFloat(DEFAULT_FLOAT_VALUE);
	all.doubleField = Double.parseDouble(DEFAULT_DOUBLE_VALUE);
	all.doubleObj = Double.parseDouble(DEFAULT_DOUBLE_VALUE);
	all.ourEnum = OurEnum.valueOf(DEFAULT_ENUM_VALUE);
	assertFalse(allDao.objectsEqual(all, allList.get(0)));
}
 

@SuppressWarnings("unchecked")
protected <T> T cast(DefaultJSONParser parser, Type clazz, Object fieldName, Object val) {

    if (val == null) {
        return null;
    }

    if (val instanceof java.util.Date) {
        return (T) new java.sql.Timestamp(((Date) val).getTime());
    }

    if (val instanceof Number) {
        return (T) new java.sql.Timestamp(((Number) val).longValue());
    }

    if (val instanceof String) {
        String strVal = (String) val;
        if (strVal.length() == 0) {
            return null;
        }

        DateFormat dateFormat = parser.getDateFormat();
        try {
            Date date = (Date) dateFormat.parse(strVal);
            return (T) new Timestamp(date.getTime());
        } catch (ParseException e) {
            // skip
        }

        long longVal = Long.parseLong(strVal);
        return (T) new java.sql.Timestamp(longVal);
    }

    throw new JSONException("parse error");
}
 

private synchronized static java.util.Date doParse (String sVal) {
    java.util.Date dVal = null;
    for (DateFormat format : DATE_PARSING_FORMATS) {
        try {
            dVal = format.parse (sVal);
            break;
        } catch (ParseException ex) {
            Logger.getLogger (DateType.class.getName ()).log (Level.FINEST, ex.getLocalizedMessage () , ex);
        }
    }
    return dVal;
}
 

@Test
public void neFilterOnDate() throws Exception {
	DateFormat format = new SimpleDateFormat("dd/MM/yyyy");
	Date date;
	date = format.parse("01/01/2008");
	Filter filter = filterCreator.createCompareFilter(MTO_DATE, "<>", date);
	Iterator<?> it = layer.getElements(filter, 0, 0);
	int t = 0;
	while (it.hasNext()) {
		Assert.assertTrue("Returned object must be a AssociationFeature", it.next() instanceof AssociationFeature);
		t++;
	}
	Assert.assertEquals(3, t);
}
 

private Date getDate(String part) {
    DateFormat dateFormat = new SimpleDateFormat("dd.MM.yyyy HH:mm:ss", Locale.ENGLISH);
    Date date = null;
    try {
        date = dateFormat.parse(part);
    } catch (ParseException e) {
        e.printStackTrace();
    }
    return date;
}
 

/**
 * Creates a new KmlTrack object
 *
 * @return KmlTrack object
 */
private static KmlTrack createTrack(XmlPullParser parser)
        throws XmlPullParserException, IOException {
    DateFormat iso8601 = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", Locale.getDefault());
    iso8601.setTimeZone(TimeZone.getTimeZone("UTC"));
    ArrayList<LatLng> latLngs = new ArrayList<LatLng>();
    ArrayList<Double> altitudes = new ArrayList<Double>();
    ArrayList<Long> timestamps = new ArrayList<Long>();
    HashMap<String, String> properties = new HashMap<>();
    int eventType = parser.getEventType();
    while (!(eventType == END_TAG && parser.getName().equals("Track"))) {
        if (eventType == START_TAG) {
            if (parser.getName().equals("coord")) {
                String coordinateString = parser.nextText();
                //fields are separated by spaces instead of commas
                LatLngAlt latLngAlt = convertToLatLngAlt(coordinateString, " ");
                latLngs.add(latLngAlt.latLng);
                if (latLngAlt.altitude != null) {
                    altitudes.add(latLngAlt.altitude);
                }
            } else if (parser.getName().equals("when")) {
                try {
                    String dateString = parser.nextText();
                    Date date = iso8601.parse(dateString);
                    long millis = date.getTime();

                    timestamps.add(millis);
                } catch (ParseException e) {
                    throw new XmlPullParserException("Invalid date", parser, e);
                }
            } else if (parser.getName().equals(EXTENDED_DATA)) {
                properties.putAll(setExtendedDataProperties(parser));
            }
        }
        eventType = parser.next();
    }
    return new KmlTrack(latLngs, altitudes, timestamps, properties);
}
 

private void downloadMovieReviews() {
    if (adapter == null) {
        adapter = new ReviewAdapter(new ArrayList<Review>(), this);
        reviewList.setAdapter(adapter);
    }
    JsonArrayRequest request = new JsonArrayRequest(
            Request.Method.GET, ApiHelper.getMovieReviewsLink(movieId, pageToDownload), null,
            new Response.Listener<JSONArray>() {
                @Override
                public void onResponse(JSONArray array) {
                    try {
                        for (int i = 0; i < array.length(); i++) {
                            JSONObject review = array.getJSONObject(i);

                            String id = review.getString("id");
                            String comment = review.getString("comment");
                            boolean hasSpoiler = review.getBoolean("spoiler");

                            // Get date and format it
                            String inputTime = review.getString("created_at").substring(0, 10);
                            DateFormat inputFormat = new SimpleDateFormat("yyyy-MM-dd");
                            Date date = inputFormat.parse(inputTime);
                            DateFormat outputFormat = new SimpleDateFormat("dd MMM yyyy");
                            String createdAt = outputFormat.format(date);

                            // Get user name
                            JSONObject user = review.getJSONObject("user");
                            String userName = user.getString("username");
                            if (!user.getBoolean("private")) {
                                String name = user.getString("name");
                                if (!TextUtil.isNullOrEmpty(name)) {
                                    userName = name;
                                }
                            }

                            adapter.reviewList.add(new Review(id, userName, comment, createdAt, hasSpoiler));
                        }

                        onDownloadSuccessful();

                    } catch (Exception ex) {
                        // Parsing error
                        onDownloadFailed();
                    }
                }
            },
            new Response.ErrorListener() {
                @Override
                public void onErrorResponse(VolleyError volleyError) {
                    if (volleyError.networkResponse.statusCode == 404 || volleyError.networkResponse.statusCode == 405) {
                        // No such movie exists
                        onDownloadSuccessful();
                    } else {
                        // Network error, failed to load
                        onDownloadFailed();
                    }
                }
            }) {
                // Add Request Headers
                @Override
                public Map<String, String> getHeaders() throws AuthFailureError {
                    Map<String, String>  params = new HashMap<>();
                    params.put("Content-type", "application/json");
                    params.put("trakt-api-key", ApiHelper.getTraktKey(getContext()));
                    params.put("trakt-api-version", "2");
                    return params;
                }
                // Get Response Headers
                @Override
                protected Response<JSONArray> parseNetworkResponse(NetworkResponse response) {
                    pageToDownload = Integer.parseInt(response.headers.get("X-Pagination-Page")) + 1;
                    totalPages = Integer.parseInt(response.headers.get("X-Pagination-Page-Count"));
                    return super.parseNetworkResponse(response);
                }
            };
    isLoading = true;
    request.setTag(getClass().getName());
    VolleySingleton.getInstance().requestQueue.add(request);
}
 

@Test
public void runTest() throws Exception {
    AAPSMocker.mockMainApp();
    AAPSMocker.mockApplicationContext();

    TimeZone tz = TimeZone.getTimeZone("Europe/Rome");
    TimeZone.setDefault(tz);
    Calendar cal = Calendar.getInstance(tz, Locale.ITALIAN);
    DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm", Locale.ITALIAN);
    Date dateBeforeDST = df.parse("2018-03-25 01:55");
    cal.setTime(dateBeforeDST);
    Assert.assertEquals(false, plugin.wasDST(cal));
    Assert.assertEquals(true, plugin.willBeDST(cal));


    TimeZone.setDefault(tz);
    cal = Calendar.getInstance(tz, Locale.ITALIAN);
    dateBeforeDST = df.parse("2018-03-25 03:05");
    cal.setTime(dateBeforeDST);
    Assert.assertEquals(true, plugin.wasDST(cal));
    Assert.assertEquals(false, plugin.willBeDST(cal));


    TimeZone.setDefault(tz);
    cal = Calendar.getInstance(tz, Locale.ITALIAN);
    dateBeforeDST = df.parse("2018-03-25 02:05"); //Cannot happen!!!
    cal.setTime(dateBeforeDST);
    Assert.assertEquals(true, plugin.wasDST(cal));
    Assert.assertEquals(false, plugin.willBeDST(cal));

    TimeZone.setDefault(tz);
    cal = Calendar.getInstance(tz, Locale.ITALIAN);
    dateBeforeDST = df.parse("2018-03-25 05:55"); //Cannot happen!!!
    cal.setTime(dateBeforeDST);
    Assert.assertEquals(true, plugin.wasDST(cal));
    Assert.assertEquals(false, plugin.willBeDST(cal));

    TimeZone.setDefault(tz);
    cal = Calendar.getInstance(tz, Locale.ITALIAN);
    dateBeforeDST = df.parse("2018-03-25 06:05"); //Cannot happen!!!
    cal.setTime(dateBeforeDST);
    Assert.assertEquals(false, plugin.wasDST(cal));
    Assert.assertEquals(false, plugin.willBeDST(cal));

}
 

/**
 * @throws Exception If failed.
 */
@Test
public void testPutComplexObject() throws Exception {
    String cacheName = "complex";

    DateFormat df = JSON_MAPPER.getDateFormat();

    OuterClass[] objects = new OuterClass[] {
        new OuterClass(111, "out-0", 0.7d, F.asList(9, 1)),
        new OuterClass(112, "out-1", 0.1d, F.asList(9, 1)),
        new OuterClass(113, "out-2", 0.3d, F.asList(9, 1))
    };

    Complex complex = new Complex(
        1234567,
        "String value",
        new Timestamp(Calendar.getInstance().getTime().getTime()),
        Date.valueOf("1986-04-26"),
        Time.valueOf("23:59:59"),
        df.parse(df.format(Calendar.getInstance().getTime())),
        F.asMap("key1", 1, "key2", 2),
        new int[] {1, 2, 3},
        F.asList(11, 22, 33).toArray(new Integer[3]),
        new long[] {Long.MIN_VALUE, 0, Long.MAX_VALUE},
        F.asList(4, 5, 6),
        F.asMap(123, null, 4567, null).keySet(),
        new byte[] {4, 1, 2},
        new char[] {'a', 'b', 'c'},
        Color.GREEN,
        new OuterClass(Long.MIN_VALUE, "outer", 0.7d, F.asList(9, 1)),
        objects,
        UUID.randomUUID(),
        IgniteUuid.randomUuid()
    );

    putObject(cacheName, "300", complex);

    assertEquals(complex, getObject(cacheName, "300", Complex.class));
    assertEquals(complex, grid(0).cache(cacheName).get(300));

    // Check query result.
    JsonNode res = queryObject(
        cacheName,
        GridRestCommand.EXECUTE_SQL_QUERY,
        "type", Complex.class.getSimpleName(),
        "pageSize", "1",
        "qry", "sqlDate > ? and sqlDate < ?",
        "arg1", "1953-03-05",
        "arg2", "2011-03-11"
    );

    assertEquals(complex, JSON_MAPPER.treeToValue(res, Complex.class));
}
 

@Test
public void ownerCanChange() throws ParseException {

    ListicatorList list = new ListicatorList("My New List","This is a list of my cool stuff");

    list.forceSetCreatedDate("2016-04-01-01-01-01");
    list.forceSetAmendedDate("2016-04-01-01-01-01");

    Assert.assertEquals("", list.getOwner());

    list.setOwner("bob");

    Assert.assertEquals("bob", list.getOwner());

    DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");

    Date createdDate = dateFormat.parse(list.getCreatedDate());
    Date amendedDate = dateFormat.parse(list.getAmendedDate());
    Assert.assertTrue(amendedDate.after(createdDate));
}
 

/**
 * Localized String to Timestamp conversion. To be used in tandem with timeStampToString().
 */
public static Timestamp stringToTimeStamp(String dateTimeString, String dateTimeFormat, TimeZone tz, Locale locale) throws ParseException {
    DateFormat dateFormat = toDateTimeFormat(dateTimeFormat, tz, locale);
    Date parsedDate = dateFormat.parse(dateTimeString);
    return new Timestamp(parsedDate.getTime());
}
 

protected Date createDateFromLocalString(String dateString) throws ParseException {
  // Format: 2015-10-25T02:50:00 CEST
  DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss z", Locale.US);
  return dateFormat.parse(dateString);
}
 

/**
 * Parses the date.
 *
 * @param date
 *            the date
 * @param pattern
 *            the pattern
 * @return the date
 * @throws ParseException
 *             the parse exception
 */
private Date parseDate(String date, String pattern) throws ParseException {
    Date d = null;
    if (date != null) {
        DateFormat df = new SimpleDateFormat(pattern);
        d = df.parse(date);
    }
    return d;
}