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java
3 years ago
3.4 kB
6
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package hooks;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.time.ZoneId;
import java.util.*;

public class FeriadoMovel {

    public static void main(String[] args) {
        Feriados feriadoMovel = new Feriados();
        SimpleDateFormat formato = new SimpleDateFormat("dd/MM/yyyy");
        boolean ehFeriado = false;
        try {
            Date data = formato.parse("21/04/2022");
            ehFeriado = feriadoMovel.verificaFeriado(data);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        System.out.println("É FERIADO:  " +ehFeriado);
    }

    public static class Feriados {
        static final private List<LocalDate> datas = new ArrayList<LocalDate>();

        static {
            for (int year = LocalDate.now().getYear() - 1; year <= LocalDate.now().getYear() + 1; year++) {
                // new year
                datas.add(date(year, 1, 1));
                // carnival
                datas.add(easter(year).minusDays(48));
                datas.add(easter(year).minusDays(47));
                datas.add(easter(year).minusDays(46));
                // tiradentes
                datas.add(date(year, 4, 21));
                // good friday
                datas.add(easter(year).minusDays(2));
                // labour
                datas.add(date(year, 5, 1));
                // corpus christi
                datas.add(easter(year).plusDays(60));
                // independence
                datas.add(date(year, 9, 7));
                // aparedica
                if (year >= 1980) {
                    datas.add(date(year, 10, 12));
                }
                // Servidor publico (LOCAL)
                datas.add(date(year, 10, 28));
                // dead
                datas.add(date(year, 11, 2));
                // republic
                datas.add(date(year, 11, 15));
                // Dia do Evangélico (LOCAL)
                datas.add(date(year, 11, 30));
                // christmas
                datas.add(date(year, 12, 25));

            }

        }

        static LocalDate easter(int year) {
            int a = year % 19;
            int b = year / 100;
            int c = year % 100;
            int d = b / 4;
            int e = b % 4;
            int f = (b + 8) / 25;
            int g = (b - f + 1) / 3;
            int h = (19 * a + b - d - g + 15) % 30;
            int i = c / 4;
            int k = c % 4;
            int l = (32 + 2 * e + 2 * i - h - k) % 7;
            int m = (a + 11 * h + 22 * l) / 451;
            int month = (h + l - 7 * m + 114) / 31;
            int day = ((h + l - 7 * m + 114) % 31) + 1;
            return LocalDate.of(year, month, day);
        }

        private static LocalDate date(int year, int month, int day) {
            return LocalDate.of(year, month, day);
        }

        public boolean verificaFeriado(Date data) throws ParseException {
            if (datas.contains(data.toInstant().atZone(ZoneId.systemDefault()).toLocalDate()))
                return true;

            return false;
        }

        public static List<LocalDate> getDatas() {
            return datas;
        }

    }
}
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