/* * 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.TemporalAdjusters.previousOrSame; import org.threeten.bp.format.DateTimeFormatter; import org.threeten.bp.format.DateTimeFormatterBuilder; import org.threeten.bp.temporal.ChronoField; import org.threeten.bp.temporal.ChronoUnit; import org.threeten.bp.temporal.TemporalAccessor; import org.threeten.bp.temporal.TemporalField; /** * Usability class for package. */ public final class UsabilityBasic { public static void main(String[] args) { simpleCalendar(); System.out.println("------"); lookup(); System.out.println("------"); period(); System.out.println("------"); print1(); System.out.println("------"); print2(); } private UsabilityBasic() { } private static void simpleCalendar() { LocalDate date = LocalDate.now(); System.out.println(date); date = date.withDayOfMonth(1); System.out.println(date); int month = date.getMonth().getValue(); date = date.with(previousOrSame(DayOfWeek.MONDAY)); System.out.println(date); while (date.getMonth().getValue() <= month) { String row = ""; for (int i = 0; i < 7; i++) { row += date.getDayOfMonth() + " "; date = date.plusDays(1); } System.out.println(row); } } private static void lookup() { LocalDate date = LocalDate.now(); LocalTime time = LocalTime.now(); LocalDateTime dateTime = LocalDateTime.now(); // System.out.println(LocalDateField.DAY_OF_MONTH.getDateRules().get(date)); // System.out.println(LocalDateField.MONTH_OF_YEAR.getDateRules().get(date)); // System.out.println(LocalDateField.YEAR.getDateRules().get(date)); // System.out.println(QuarterYearField.QUARTER_OF_YEAR.getDateRules().get(date)); // System.out.println(QuarterYearField.MONTH_OF_QUARTER.getDateRules().get(date)); // System.out.println(QuarterYearField.DAY_OF_QUARTER.getDateRules().get(date)); output(date, ChronoField.DAY_OF_MONTH); output(date, ChronoField.MONTH_OF_YEAR); output(date, ChronoField.YEAR); output(dateTime, ChronoField.DAY_OF_MONTH); output(time, ChronoField.HOUR_OF_DAY); output(time, ChronoField.MINUTE_OF_HOUR); TemporalAccessor cal = date; System.out.println("DoM: " + cal.get(DAY_OF_MONTH)); } protected static void output(LocalDate date, TemporalField field) { System.out.println(field + " " + date.getLong(field)); } protected static void output(LocalDateTime dateTime, TemporalField field) { System.out.println(field + " " + dateTime.getLong(field)); } protected static void output(LocalTime time, TemporalField field) { System.out.println(field + " " + time.getLong(field)); } private static void period() { LocalDate date1 = LocalDate.now(); LocalDate date2 = LocalDate.now().plusDays(25367); System.out.println(ChronoUnit.DAYS.between(date1, date2)); System.out.println(ChronoUnit.YEARS.between(date1, date2)); date1 = LocalDate.of(2012, 2, 20); date2 = LocalDate.of(2014, 2, 19); System.out.println(ChronoUnit.YEARS.between(date1, date2)); date2 = LocalDate.of(2014, 2, 20); System.out.println(ChronoUnit.YEARS.between(date1, date2)); date2 = LocalDate.of(2014, 2, 21); System.out.println(ChronoUnit.YEARS.between(date1, date2)); date2 = LocalDate.of(2010, 2, 19); System.out.println(ChronoUnit.YEARS.between(date1, date2)); date2 = LocalDate.of(2010, 2, 20); System.out.println(ChronoUnit.YEARS.between(date1, date2)); date2 = LocalDate.of(2010, 2, 21); System.out.println(ChronoUnit.YEARS.between(date1, date2)); LocalDate date3 = LocalDate.now().plus(3, ChronoUnit.DAYS); System.out.println("3 days later " + date3); } private static void print1() { DateTimeFormatter f = new DateTimeFormatterBuilder().appendText(ChronoField.AMPM_OF_DAY) .appendLiteral(' ').appendValue(ChronoField.AMPM_OF_DAY).toFormatter(); System.out.println(f.format(LocalTime.of(12, 30))); System.out.println(f.format(ZonedDateTime.now())); } private static void print2() { DateTimeFormatter f = new DateTimeFormatterBuilder().appendText(ChronoField.MONTH_OF_YEAR) .appendLiteral(' ').appendValue(ChronoField.YEAR).toFormatter(); System.out.println(f.format(LocalDate.now())); System.out.println(f.format(YearMonth.now())); System.out.println(f.format(ZonedDateTime.now())); } }