com.codetaco.date.CalendarFactoryImpl Maven / Gradle / Ivy

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A better date function for JAVA
There is a newer version: 5.3.4
package com.codetaco.date;

import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;

class CalendarFactoryImpl implements ICalendarFactory {
    LocalDateTime overrideForNowAndToday;

    LocalDateTime applyAdjustments(final LocalDateTime startingDate,
                                   final String... adjustmentsArray) {
        try {
            LocalDateTime modifiedDateTime = startingDate;
            if (adjustmentsArray != null) {
                final List adjustments = new ArrayList();
                for (final String adjs : adjustmentsArray) {
                    if (adjs.trim().length() == 0) {
                        break;
                    }
                    final String[] singleAdjs = adjs.split(" +");
                    for (final String adj : singleAdjs) {
                        adjustments.add(new DateAdjustment(adj));
                    }
                }

                for (final DateAdjustment adj : adjustments) {
                    modifiedDateTime = adj.adjust(modifiedDateTime);
                }
            }
            return modifiedDateTime;
        } catch (Exception e) {
            throw DateException.builder().cause(e).build();
        }
    }

    @Override
    public String asFormula(final LocalDateTime ldt) {
        final char dir = AdjustmentDirection.AT.firstChar;

        final StringBuilder sb = new StringBuilder();
        sb.append("" + dir).append(ldt.getYear()).append("year");
        sb.append(" " + dir).append(ldt.getMonthValue()).append("month");
        sb.append(" " + dir).append(ldt.getDayOfMonth()).append("day");
        sb.append(" " + dir).append(ldt.getHour()).append("hour");
        sb.append(" " + dir).append(ldt.getMinute()).append("minute");
        sb.append(" " + dir).append(ldt.getSecond()).append("second");
        sb.append(" " + dir).append(ldt.getNano()).append("nanosecond");
        return sb.toString();
    }

    @Override
    public LocalDateTime modifyImpl(final LocalDateTime startingDate,
                                    final String... adjustmentsArray) {
        return applyAdjustments(startingDate, adjustmentsArray);
    }

    @Override
    public LocalDateTime noTimeImpl(final LocalDateTime startingDate) {
        return LocalDateTime.of(
          startingDate.getYear(),
          startingDate.getMonth(),
          startingDate.getDayOfMonth(),
          0, 0, 0, 0);
    }

    @Override
    public LocalDateTime nowImpl(final String... adjustmentsArray) {
        return applyAdjustments(overrideIfNecessary(LocalDateTime.now()), adjustmentsArray);
    }

    LocalDateTime overrideIfNecessary(final LocalDateTime startingDate) {
        if (overrideForNowAndToday != null) {
            return overrideForNowAndToday;
        }
        return startingDate;
    }

    @Override
    public void setOverrideForSystemTime(final LocalDateTime overrideDateAndTime) {
        overrideForNowAndToday = overrideDateAndTime;
    }

    @Override
    public LocalDateTime todayImpl(final String... adjustmentsArray) {
        return applyAdjustments(noTimeImpl(overrideIfNecessary(LocalDateTime.now())), adjustmentsArray);
    }
}