Example usage for java.time DayOfWeek from

Introduction

In this page you can find the example usage for java.time DayOfWeek from.

Prototype

public static DayOfWeek from(TemporalAccessor temporal) 

Source Link

Document

Obtains an instance of DayOfWeek from a temporal object.

Usage

From source file:Main.java

public static void main(String[] args) {
    LocalDate localDate = LocalDate.of(2014, Month.JUNE, 21);
    DayOfWeek dayOfWeek = DayOfWeek.from(localDate);

    TemporalQuery<TemporalUnit> localDateQuery = TemporalQueries.precision();

    System.out.println(dayOfWeek.query(localDateQuery));
}

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From source file:rapture.dp.invocable.calendar.steps.CalendarLookupStep.java

@Override
public String invoke(CallingContext ctx) {
    DecisionApi decision = Kernel.getDecision();
    try {/*from w w w  . jav  a2  s  .c  o m*/
        decision.setContextLiteral(ctx, getWorkerURI(), "STEPNAME", getStepName());

        String dateStr = StringUtils.stripToNull(decision.getContextValue(ctx, getWorkerURI(), "DATE"));
        String calendar = StringUtils.stripToNull(decision.getContextValue(ctx, getWorkerURI(), "CALENDAR"));
        String translator = StringUtils
                .stripToNull(decision.getContextValue(ctx, getWorkerURI(), "TRANSLATOR"));
        if (translator == null)
            translator = StringUtils
                    .stripToNull(decision.getContextValue(ctx, getWorkerURI(), "DEFAULT_TRANSLATOR"));
        LocalDate date = (dateStr == null) ? LocalDate.now() : LocalDate.parse(dateStr);

        // Translate the date to a name - eg Good Friday, Yom Kippur, Thanksgiving
        // Expected format is a map of dates (with or without years) to names or lists of names
        // Example:
        // {
        // "31Dec" : ["New Tear's Eve", "Hogmanay"] ,
        // "05Sep2016" : "Labor Day",
        // "04Sep2017" : "Labor Day"
        // "2015-01-01" : "New Year's Day"
        // }

        Map<String, Object> calendarTable = new HashMap<>();
        if (calendar != null) {
            String calendarJson = StringUtils.stripToNull(Kernel.getDoc().getDoc(ctx, calendar));
            if (calendarJson != null) {
                calendarTable = JacksonUtil.getMapFromJson(calendarJson);
            }
        }

        // Translate the date to a name - eg Good Friday, Yom Kippur, Thanksgiving
        Map<String, Object> translationTable = new HashMap<>();
        if (translator != null) {
            String translationJson = StringUtils.stripToNull(Kernel.getDoc().getDoc(ctx, translator));
            if (translationJson != null) {
                translationTable = JacksonUtil.getMapFromJson(translationJson);
            }
        }

        List<String> lookup = new ArrayList<>();

        String languageTag = StringUtils.stripToNull(decision.getContextValue(ctx, getWorkerURI(), "LOCALE"));
        Locale locale = (languageTag == null) ? Locale.getDefault() : Locale.forLanguageTag(languageTag);

        for (DateTimeFormatter formatter : ImmutableList.of(DateTimeFormatter.ISO_LOCAL_DATE,
                DateTimeFormatter.ofPattern("ddMMMuuuu", locale), DateTimeFormatter.ofPattern("ddMMM", locale),
                DateTimeFormatter.ofPattern("MMMdduuuu", locale), DateTimeFormatter.ofPattern("MMMdd", locale),
                DateTimeFormatter.ofPattern("uuuuMMMdd", locale))) {

            String formattedDate = date.format(formatter);
            Object transList = translationTable.get(formattedDate);
            if (transList != null) {
                if (transList instanceof Iterable) {
                    for (Object o : (Iterable) transList) {
                        lookup.add(o.toString());
                    }
                } else
                    lookup.add(transList.toString());
            }
            lookup.add(formattedDate);
        }
        lookup.add(DayOfWeek.from(date).getDisplayName(TextStyle.FULL, locale));

        decision.setContextLiteral(ctx, getWorkerURI(), "DATE_TRANSLATIONS",
                JacksonUtil.jsonFromObject(lookup));

        // Calendar table defines the priority. getMapFromJson returns a LinkedHashMap so order is preserved.
        for (Entry<String, Object> calEntry : calendarTable.entrySet()) {
            if (lookup.contains(calEntry.getKey())) {
                decision.setContextLiteral(ctx, getWorkerURI(), "CALENDAR_LOOKUP_ENTRY",
                        JacksonUtil.jsonFromObject(calEntry));
                decision.writeWorkflowAuditEntry(ctx, getWorkerURI(),
                        calEntry.getKey() + " matched as " + calEntry.getValue().toString(), false);
                return calEntry.getValue().toString();
            }
        }
        decision.writeWorkflowAuditEntry(ctx, getWorkerURI(), getStepName() + ": No matches for "
                + DateTimeFormatter.ISO_LOCAL_DATE.format(date) + " found in calendar", false);
        return getNextTransition();
    } catch (Exception e) {
        decision.setContextLiteral(ctx, getWorkerURI(), getStepName(),
                "Unable to access the calendar : " + e.getLocalizedMessage());
        decision.setContextLiteral(ctx, getWorkerURI(), getStepName() + "Error", ExceptionToString.summary(e));
        decision.writeWorkflowAuditEntry(ctx, getWorkerURI(),
                "Problem in " + getStepName() + ": " + ExceptionToString.getRootCause(e).getLocalizedMessage(),
                true);
        return getErrorTransition();
    }
}

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From source file:rapture.dp.invocable.calendar.steps.GetDayOfWeekStep.java

@Override
public String invoke(CallingContext ctx) {
    DecisionApi decision = Kernel.getDecision();
    try {//w w  w . ja  va 2 s  . co m
        decision.setContextLiteral(ctx, getWorkerURI(), "STEPNAME", getStepName());
        String dateStr = StringUtils.stripToNull(decision.getContextValue(ctx, getWorkerURI(), "DATE"));
        String languageTag = StringUtils.stripToNull(decision.getContextValue(ctx, getWorkerURI(), "LOCALE"));
        LocalDateTime date = (dateStr == null) ? LocalDateTime.now() : LocalDateTime.parse(dateStr);
        Locale locale = (languageTag == null) ? Locale.getDefault() : Locale.forLanguageTag(languageTag);
        String day = DayOfWeek.from(date).getDisplayName(TextStyle.FULL, locale);
        decision.writeWorkflowAuditEntry(ctx, getWorkerURI(), "Day of week is " + day, false);
        return day;
    } catch (Exception e) {
        decision.setContextLiteral(ctx, getWorkerURI(), getStepName(),
                "Exception in workflow : " + e.getLocalizedMessage());
        decision.setContextLiteral(ctx, getWorkerURI(), getErrName(), ExceptionToString.summary(e));
        decision.writeWorkflowAuditEntry(ctx, getWorkerURI(),
                "Problem in " + getStepName() + ": " + ExceptionToString.getRootCause(e).getLocalizedMessage(),
                true);
        return getErrorTransition();
    }
}

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