Java 创建自定义日期调整器

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import static java.time.DayOfWeek.FRIDAY;

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import static java.time.DayOfWeek.MONDAY;

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import static java.time.DayOfWeek.SATURDAY;/** 来 自 时 代 J a v a - nowjava.com**/

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import static java.time.DayOfWeek.SUNDAY;

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import java.time.DayOfWeek;

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import java.time.LocalDate;

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import java.time.LocalTime;

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import java.time.Month;

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import java.time.ZoneId;

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import java.time.ZonedDateTime;

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import java.time.temporal.TemporalAdjuster;

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import java.time.temporal.TemporalAdjusters;

/*来自 时代Java公众号 - nowjava.com*/

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public class Main {

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  public static void main(String[] args) {

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    LocalDate ld1 = LocalDate.of(2013, Month.DECEMBER, 12); // Thursday

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    LocalDate ld2 = LocalDate.of(2013, Month.DECEMBER, 13); // Friday

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    LocalDate ld3 = LocalDate.of(2013, Month.DECEMBER, 14); // Saturday

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    LocalDate ld1Adjusted = ld1.with(WEEKDAYS_WITH_NO_FRIDAY_13);

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    System.out.println(ld1 + " adjusted to " + ld1Adjusted);

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    LocalDate ld2Adjusted = ld2.with(WEEKDAYS_WITH_NO_FRIDAY_13);

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    System.out.println(ld2 + " adjusted to " + ld2Adjusted);

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    LocalDate ld3Adjusted = ld3.with(WEEKDAYS_WITH_NO_FRIDAY_13);

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    System.out.println(ld3 + " adjusted to " + ld3Adjusted);

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    // Use it to adjust a ZonedDateTime

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    ZonedDateTime zdt = ZonedDateTime.of(ld2, LocalTime.of(8, 45),

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        ZoneId.of("America/Chicago"));

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    ZonedDateTime zdtAdjusted = zdt.with(WEEKDAYS_WITH_NO_FRIDAY_13);

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    System.out.println(zdt + " adjusted to " + zdtAdjusted);

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  }

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  static TemporalAdjuster WEEKDAYS_WITH_NO_FRIDAY_13 = TemporalAdjusters

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      .ofDateAdjuster(Main::getWeekDayNoFriday13);

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  private static LocalDate getWeekDayNoFriday13(LocalDate date) {

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    // Initialize the new date with the original one

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