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- package com.itmill.toolkit.terminal.gwt.client;
-
- import java.util.Date;
-
- import com.itmill.toolkit.terminal.gwt.client.ui.IDateField;
-
- /**
- * This class provides date/time parsing services to all components on the
- * client side.
- *
- * @author IT Mill Ltd.
- *
- */
- public class DateTimeService {
- public static int RESOLUTION_YEAR = 0;
- public static int RESOLUTION_MONTH = 1;
- public static int RESOLUTION_DAY = 2;
- public static int RESOLUTION_HOUR = 3;
- public static int RESOLUTION_MIN = 4;
- public static int RESOLUTION_SEC = 5;
- public static int RESOLUTION_MSEC = 6;
-
- private String currentLocale;
-
- private static int[] maxDaysInMonth = { 31, 28, 31, 30, 31, 30, 31, 31, 30,
- 31, 30, 31 };
-
- /**
- * Creates a new date time service with the application default locale.
- */
- public DateTimeService() {
- currentLocale = LocaleService.getDefaultLocale();
- }
-
- /**
- * Creates a new date time service with a given locale.
- *
- * @param locale
- * e.g. fi, en etc.
- * @throws LocaleNotLoadedException
- */
- public DateTimeService(String locale) throws LocaleNotLoadedException {
- setLocale(locale);
- }
-
- public void setLocale(String locale) throws LocaleNotLoadedException {
- if (LocaleService.getAvailableLocales().contains(locale))
- currentLocale = locale;
- else
- throw new LocaleNotLoadedException(locale);
- }
-
- public String getLocale() {
- return currentLocale;
- }
-
- public String getMonth(int month) {
- try {
- return LocaleService.getMonthNames(currentLocale)[month];
- } catch (LocaleNotLoadedException e) {
- // TODO redirect to console
- System.out.println(e + ":" + e.getMessage());
- }
- return null;
- }
-
- public String getShortMonth(int month) {
- try {
- return LocaleService.getShortMonthNames(currentLocale)[month];
- } catch (LocaleNotLoadedException e) {
- // TODO redirect to console
- System.out.println(e + ":" + e.getMessage());
- }
- return null;
- }
-
- public String getDay(int day) {
- try {
- return LocaleService.getDayNames(currentLocale)[day];
- } catch (LocaleNotLoadedException e) {
- // TODO redirect to console
- System.out.println(e + ":" + e.getMessage());
- }
- return null;
- }
-
- public String getShortDay(int day) {
- try {
- return LocaleService.getShortDayNames(currentLocale)[day];
- } catch (LocaleNotLoadedException e) {
- // TODO redirect to console
- System.out.println(e + ":" + e.getMessage());
- }
- return null;
- }
-
- public int getFirstDayOfWeek() {
- try {
- return LocaleService.getFirstDayOfWeek(currentLocale);
- } catch (LocaleNotLoadedException e) {
- // TODO redirect to console
- System.out.println(e + ":" + e.getMessage());
- }
- return 0;
- }
-
- public boolean isTwelveHourClock() {
- try {
- return LocaleService.isTwelveHourClock(currentLocale);
- } catch (LocaleNotLoadedException e) {
- // TODO redirect to console
- System.out.println(e + ":" + e.getMessage());
- }
- return false;
- }
-
- public String getClockDelimeter() {
- try {
- return LocaleService.getClockDelimiter(currentLocale);
- } catch (LocaleNotLoadedException e) {
- // TODO redirect to console
- System.out.println(e + ":" + e.getMessage());
- }
- return ":";
- }
-
- public String[] getAmPmStrings() {
- try {
- return LocaleService.getAmPmStrings(currentLocale);
- } catch (LocaleNotLoadedException e) {
- // TODO redirect to console
- System.out.println(e + ":" + e.getMessage());
- }
- String[] temp = new String[2];
- temp[0] = "AM";
- temp[1] = "PM";
- return temp;
- }
-
- public int getStartWeekDay(Date date) {
- Date dateForFirstOfThisMonth = new Date(date.getYear(),
- date.getMonth(), 1);
- int firstDay;
- try {
- firstDay = LocaleService.getFirstDayOfWeek(currentLocale);
- } catch (LocaleNotLoadedException e) {
- firstDay = 0;
- // TODO redirect to console
- System.out.println(e + ":" + e.getMessage());
- }
- int start = dateForFirstOfThisMonth.getDay() - firstDay;
- if (start < 0)
- start = 6;
- return start;
- }
-
- public String getDateFormat() {
- try {
- return LocaleService.getDateFormat(currentLocale);
- } catch (LocaleNotLoadedException e) {
- // TODO redirect to console
- System.out.println(e + ":" + e.getMessage());
- }
- return "M/d/yy";
- }
-
- public static int getNumberOfDaysInMonth(Date date) {
- int month = date.getMonth();
- if (month == 1 && true == isLeapYear(date))
- return 29;
- return maxDaysInMonth[month];
- }
-
- public static boolean isLeapYear(Date date) {
- // Instantiate the date for 1st March of that year
- Date firstMarch = new Date(date.getYear(), 2, 1);
-
- // Go back 1 day
- long firstMarchTime = firstMarch.getTime();
- long lastDayTimeFeb = firstMarchTime - (24 * 60 * 60 * 1000); // NUM_MILLISECS_A_DAY
-
- // Instantiate new Date with this time
- Date febLastDay = new Date(lastDayTimeFeb);
-
- // Check for date in this new instance
- return (29 == febLastDay.getDate()) ? true : false;
- }
-
- public static boolean isSameDay(Date d1, Date d2) {
- return (getDayInt(d1) == getDayInt(d2));
- }
-
- public static boolean isInRange(Date date, Date rangeStart, Date rangeEnd,
- int resolution) {
- Date s;
- Date e;
- if (rangeStart.after(rangeEnd)) {
- s = rangeEnd;
- e = rangeStart;
- } else {
- e = rangeEnd;
- s = rangeStart;
- }
- long start = s.getYear() * 10000000000l;
- long end = e.getYear() * 10000000000l;
- long target = date.getYear() * 10000000000l;
-
- if (resolution == RESOLUTION_YEAR) {
- return (start <= target && end >= target);
- }
- start += s.getMonth() * 100000000;
- end += e.getMonth() * 100000000;
- target += date.getMonth() * 100000000;
- if (resolution == RESOLUTION_MONTH) {
- return (start <= target && end >= target);
- }
- start += s.getDate() * 1000000;
- end += e.getDate() * 1000000;
- target += date.getDate() * 1000000;
- if (resolution == RESOLUTION_DAY) {
- return (start <= target && end >= target);
- }
- start += s.getHours() * 10000;
- end += e.getHours() * 10000;
- target += date.getHours() * 10000;
- if (resolution == RESOLUTION_HOUR) {
- return (start <= target && end >= target);
- }
- start += s.getMinutes() * 100;
- end += e.getMinutes() * 100;
- target += date.getMinutes() * 100;
- if (resolution == RESOLUTION_MIN) {
- return (start <= target && end >= target);
- }
- start += s.getSeconds();
- end += e.getSeconds();
- target += date.getSeconds();
- return (start <= target && end >= target);
-
- }
-
- private static int getDayInt(Date date) {
- int y = date.getYear();
- int m = date.getMonth();
- int d = date.getDate();
-
- return ((y + 1900) * 10000 + m * 100 + d) * 1000000000;
- }
-
- }
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