/*
* Copyright (c) 2007-present, Stephen Colebourne & Michael Nascimento Santos
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of JSR-310 nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.threeten.bp;
import static org.threeten.bp.temporal.ChronoField.DAY_OF_MONTH;
import static org.threeten.bp.temporal.ChronoField.DAY_OF_WEEK;
import static org.threeten.bp.temporal.ChronoField.EPOCH_DAY;
import java.io.PrintStream;
import java.util.Set;
import org.threeten.bp.chrono.Chronology;
import org.threeten.bp.chrono.ChronoLocalDate;
import org.threeten.bp.chrono.HijrahChronology;
import org.threeten.bp.chrono.IsoChronology;
import org.threeten.bp.chrono.JapaneseChronology;
import org.threeten.bp.chrono.MinguoChronology;
import org.threeten.bp.chrono.ThaiBuddhistChronology;
import org.threeten.bp.temporal.ChronoField;
import org.threeten.bp.temporal.ChronoUnit;
import org.threeten.bp.temporal.JulianFields;
/**
* Usability class for package.
*/
public final class UsabilityChrono {
public static void main(String[] args) {
System.out.println("------");
newPackagePluggable();
System.out.println("------");
epochDays();
System.out.println("------");
printMinguoCal();
System.out.println("------");
example1();
}
private UsabilityChrono() {
}
static {
Chronology c = JapaneseChronology.INSTANCE;
c = MinguoChronology.INSTANCE;
c = ThaiBuddhistChronology.INSTANCE;
c = JapaneseChronology.INSTANCE;
c = MinguoChronology.INSTANCE;
c = HijrahChronology.INSTANCE;
c = IsoChronology.INSTANCE;
c.toString();
}
private static void newPackagePluggable() {
Chronology chrono = MinguoChronology.INSTANCE;
ChronoLocalDate date = chrono.dateNow();
System.out.printf("now: %s%n", date);
date = date.with(DAY_OF_MONTH, 1);
System.out.printf("first of month: %s%n", date);
int month = (int) date.get(ChronoField.MONTH_OF_YEAR);
date = date.with(DAY_OF_WEEK, 1);
System.out.printf("start of first week: %s%n", date);
while (date.get(ChronoField.MONTH_OF_YEAR) <= month) {
String row = "";
for (int i = 0; i < 7; i++) {
row += date.get(ChronoField.DAY_OF_MONTH) + " ";
date = date.plus(1, ChronoUnit.DAYS);
}
System.out.println(row);
}
}
private static void epochDays() {
output(LocalDate.now());
output(LocalDate.of(1945, 11, 12));
output(LocalDate.of(-4713, 11, 24));
output(LocalDate.of(1858, 11, 17));
output(LocalDate.of(1970, 1, 1));
output(LocalDate.of(1, 1, 1));
}
protected static void output(LocalDate date) {
System.out.println(date);
System.out.println("EPOCH_DAY " + date.getLong(EPOCH_DAY));
System.out.println("JDN " + date.getLong(JulianFields.JULIAN_DAY));
System.out.println("MJD " + date.getLong(JulianFields.MODIFIED_JULIAN_DAY));
System.out.println("RD " + date.getLong(JulianFields.RATA_DIE));
System.out.println();
}
/**
* Example code.
*/
static void example1() {
System.out.printf("Available Calendars%n");
// Print the Minguo date
ChronoLocalDate now1 = MinguoChronology.INSTANCE.dateNow();
int day = now1.get(ChronoField.DAY_OF_MONTH);
int dow = now1.get(ChronoField.DAY_OF_WEEK);
int month = now1.get(ChronoField.MONTH_OF_YEAR);
int year = now1.get(ChronoField.YEAR);
System.out.printf(" Today is %s %s %d-%s-%d%n", now1.getChronology().getId(),
DayOfWeek.of(dow), year, month, day);
// Print today's date and the last day of the year for the Minguo Calendar.
ChronoLocalDate first = now1
.with(ChronoField.DAY_OF_MONTH, 1)
.with(ChronoField.MONTH_OF_YEAR, 1);
ChronoLocalDate last = first
.plus(1, ChronoUnit.YEARS)
.minus(1, ChronoUnit.DAYS);
System.out.printf(" 1st of year: %s; end of year: %s%n", first, last);
// Enumerate the list of available calendars and print today for each
LocalDate before = LocalDate.of(-500, 1, 1);
Set<Chronology> chronos = Chronology.getAvailableChronologies();
for (Chronology chrono : chronos) {
ChronoLocalDate date = chrono.dateNow();
ChronoLocalDate date2 = chrono.date(before);
System.out.printf(" %20s: %22s, %22s%n", chrono.getId(), date, date2);
}
}
/**
* Prints a Minguo calendar for the current month.
*/
private static void printMinguoCal() {
String chronoName = "Minguo";
Chronology chrono = Chronology.of(chronoName);
ChronoLocalDate today = chrono.dateNow();
printMonthCal(today, System.out);
}
/**
* Print a month calendar with complete week rows.
* @param date A date in some calendar
* @param out a PrintStream
*/
private static void printMonthCal(ChronoLocalDate date, PrintStream out) {
int lengthOfMonth = (int) date.lengthOfMonth();
ChronoLocalDate end = date.with(ChronoField.DAY_OF_MONTH, lengthOfMonth);
end = end.plus(7 - end.get(ChronoField.DAY_OF_WEEK), ChronoUnit.DAYS);
// Back up to the beginning of the week including the 1st of the month
ChronoLocalDate start = date.with(ChronoField.DAY_OF_MONTH, 1);
start = start.minus(start.get(ChronoField.DAY_OF_WEEK), ChronoUnit.DAYS);
out.printf("%9s Month %2d, %4d%n", date.getChronology().getId(),
date.get(ChronoField.MONTH_OF_YEAR),
date.get(ChronoField.YEAR));
String[] colText = {"Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"};
printMonthRow(colText, " ", out);
String[] cell = new String[7];
for ( ; start.compareTo(end) <= 0; start = start.plus(1, ChronoUnit.DAYS)) {
int ndx = start.get(ChronoField.DAY_OF_WEEK) - 1;
cell[ndx] = Integer.toString((int) start.get(ChronoField.DAY_OF_MONTH));
if (ndx == 6) {
printMonthRow(cell, "|", out);
}
}
}
private static void printMonthRow(String[] cells, String delim, PrintStream out) {
for (int i = 0; i < cells.length; i++) {
out.printf("%s%3s ", delim, cells[i]);
}
out.println(delim);
}
}