Java WeekFields.of方法代码示例

import java.time.temporal.WeekFields; //导入方法依赖的package包/类
@Test(dataProvider="weekFields")
public void test_parse_resolve_localizedWoWBY(DayOfWeek firstDayOfWeek, int minDays) {
    LocalDate date = LocalDate.of(2012, 12, 31);
    WeekFields week = WeekFields.of(firstDayOfWeek, minDays);
    TemporalField wowbyField = week.weekOfWeekBasedYear();
    TemporalField yowbyField = week.weekBasedYear();

    for (int i = 1; i <= 60; i++) {
        DateTimeFormatter f = new DateTimeFormatterBuilder()
                .appendValue(yowbyField).appendLiteral(':')
                .appendValue(wowbyField).appendLiteral(':')
                .appendValue(DAY_OF_WEEK).toFormatter();
        String str = date.get(yowbyField) + ":" + date.get(wowbyField) + ":" +
                date.get(DAY_OF_WEEK);
        LocalDate parsed = LocalDate.parse(str, f);
        assertEquals(parsed, date, " :: " + str + " " + i);

        date = date.plusDays(1);
    }
}
 

import java.time.temporal.WeekFields; //导入方法依赖的package包/类
@Test(dataProvider="LocalWeekBasedYearPatterns")
public void test_parse_WeekBasedYear(String pattern, String text, int pos, int expectedPos, LocalDate expectedValue) {
    ParsePosition ppos = new ParsePosition(pos);
    DateTimeFormatterBuilder b = new DateTimeFormatterBuilder().appendPattern(pattern);
    DateTimeFormatter dtf = b.toFormatter(locale);
    TemporalAccessor parsed = dtf.parseUnresolved(text, ppos);
    if (ppos.getErrorIndex() != -1) {
        assertEquals(ppos.getErrorIndex(), expectedPos);
    } else {
        WeekFields weekDef = WeekFields.of(locale);
        assertEquals(ppos.getIndex(), expectedPos, "Incorrect ending parse position");
        assertEquals(parsed.isSupported(weekDef.dayOfWeek()), pattern.indexOf('e') >= 0);
        assertEquals(parsed.isSupported(weekDef.weekOfWeekBasedYear()), pattern.indexOf('w') >= 0);
        assertEquals(parsed.isSupported(weekDef.weekBasedYear()), pattern.indexOf('Y') >= 0);
        // ensure combination resolves into a date
        LocalDate result = LocalDate.parse(text, dtf);
        assertEquals(result, expectedValue, "LocalDate incorrect for " + pattern + ", weekDef: " + weekDef);
    }
}
 

import java.time.temporal.WeekFields; //导入方法依赖的package包/类
@Test(dataProvider="weekFields")
public void test_parse_resolve_localizedWoy_strict(DayOfWeek firstDayOfWeek, int minDays) {
    WeekFields week = WeekFields.of(firstDayOfWeek, minDays);
    TemporalField woyField = week.weekOfYear();
    DateTimeFormatter f = new DateTimeFormatterBuilder()
            .appendValue(YEAR).appendLiteral(':')
            .appendValue(woyField).appendLiteral(':')
            .appendValue(DAY_OF_WEEK).toFormatter().withResolverStyle(STRICT);
    String str = "2012:0:1";
    try {
        LocalDate date = LocalDate.parse(str, f);
        assertEquals(date.getYear(), 2012);
        assertEquals(date.get(woyField), 0);
        assertEquals(date.get(DAY_OF_WEEK), 1);
    } catch (DateTimeException ex) {
        // expected
    }
}
 

import java.time.temporal.WeekFields; //导入方法依赖的package包/类
@Test(dataProvider="weekFields")
public void test_parse_resolve_localizedWoWBYDow_lenient(DayOfWeek firstDayOfWeek, int minDays) {
    LocalDate date = LocalDate.of(2012, 12, 31);
    WeekFields week = WeekFields.of(firstDayOfWeek, minDays);
    TemporalField dowField = week.dayOfWeek();
    TemporalField wowbyField = week.weekOfWeekBasedYear();
    TemporalField yowbyField = week.weekBasedYear();

    for (int i = 1; i <= 60; i++) {
        DateTimeFormatter f = new DateTimeFormatterBuilder()
                .appendValue(yowbyField).appendLiteral(':')
                .appendValue(wowbyField).appendLiteral(':')
                .appendValue(dowField).toFormatter().withResolverStyle(LENIENT);
        int wowby = date.get(wowbyField);
        int dow = date.get(dowField);
        for (int j = wowby - 60; j < wowby + 60; j++) {
            String str = date.get(yowbyField) + ":" + j + ":" + dow;
            LocalDate parsed = LocalDate.parse(str, f);
            assertEquals(parsed, date.plusWeeks(j - wowby), " ::" + str + ": :" + i + "::" + j);
        }

        date = date.plusDays(1);
    }
}
 

import java.time.temporal.WeekFields; //导入方法依赖的package包/类
@Test(dataProvider="weekFields")
public void test_parse_resolve_localizedWoyDow(DayOfWeek firstDayOfWeek, int minDays) {
    LocalDate date = LocalDate.of(2012, 12, 15);
    WeekFields week = WeekFields.of(firstDayOfWeek, minDays);
    TemporalField dowField = week.dayOfWeek();
    TemporalField woyField = week.weekOfYear();

    for (int i = 1; i <= 60; i++) {
        DateTimeFormatter f = new DateTimeFormatterBuilder()
                .appendValue(YEAR).appendLiteral(':')
                .appendValue(MONTH_OF_YEAR).appendLiteral(':')
                .appendValue(woyField).appendLiteral(':')
                .appendValue(dowField).toFormatter();
        String str = date.getYear() + ":" + date.getMonthValue() + ":" +
                date.get(woyField) + ":" + date.get(dowField);
        LocalDate parsed = LocalDate.parse(str, f);
        assertEquals(parsed, date, " :: " + str + " " + i);

        date = date.plusDays(1);
    }
}
 

import java.time.temporal.WeekFields; //导入方法依赖的package包/类
@Test(dataProvider="weekFields")
public void test_parse_resolve_localizedWom(DayOfWeek firstDayOfWeek, int minDays) {
    LocalDate date = LocalDate.of(2012, 12, 15);
    WeekFields week = WeekFields.of(firstDayOfWeek, minDays);
    TemporalField womField = week.weekOfMonth();

    for (int i = 1; i <= 60; i++) {
        DateTimeFormatter f = new DateTimeFormatterBuilder()
                .appendValue(YEAR).appendLiteral(':')
                .appendValue(MONTH_OF_YEAR).appendLiteral(':')
                .appendValue(womField).appendLiteral(':')
                .appendValue(DAY_OF_WEEK).toFormatter().withResolverStyle(SMART);
        String str = date.getYear() + ":" + date.getMonthValue() + ":" +
                date.get(womField) + ":" + date.get(DAY_OF_WEEK);
        LocalDate parsed = LocalDate.parse(str, f);
        assertEquals(parsed, date, " ::" + str + "::" + i);

        date = date.plusDays(1);
    }
}
 

import java.time.temporal.WeekFields; //导入方法依赖的package包/类
@Test(dataProvider="weekFields")
public void test_parse_resolve_localizedWoWBY_lenient(DayOfWeek firstDayOfWeek, int minDays) {
    LocalDate date = LocalDate.of(2012, 12, 31);
    WeekFields week = WeekFields.of(firstDayOfWeek, minDays);
    TemporalField wowbyField = week.weekOfWeekBasedYear();
    TemporalField yowbyField = week.weekBasedYear();

    for (int i = 1; i <= 60; i++) {
        DateTimeFormatter f = new DateTimeFormatterBuilder()
                .appendValue(yowbyField).appendLiteral(':')
                .appendValue(wowbyField).appendLiteral(':')
                .appendValue(DAY_OF_WEEK).toFormatter().withResolverStyle(LENIENT);
        int wowby = date.get(wowbyField);
        int dow = date.get(DAY_OF_WEEK);
        for (int j = wowby - 60; j < wowby + 60; j++) {
            String str = date.get(yowbyField) + ":" + j + ":" + dow;
            LocalDate parsed = LocalDate.parse(str, f);
            assertEquals(parsed, date.plusWeeks(j - wowby), " ::" + str + ": :" + i + "::" + j);
        }

        date = date.plusDays(1);
    }
}
 

import java.time.temporal.WeekFields; //导入方法依赖的package包/类
@Test(dataProvider="weekFields")
public void test_withDayOfWeek(DayOfWeek firstDayOfWeek, int minDays) {
    LocalDate day = LocalDate.of(2012, 12, 15);  // Safely in the middle of a month
    WeekFields week = WeekFields.of(firstDayOfWeek, minDays);
    TemporalField dowField = week.dayOfWeek();
    TemporalField womField = week.weekOfMonth();
    TemporalField woyField = week.weekOfYear();

    int wom = day.get(womField);
    int woy = day.get(woyField);
    for (int dow = 1; dow <= 7; dow++) {
        LocalDate result = day.with(dowField, dow);
        assertEquals(result.get(dowField), dow, String.format("Incorrect new Day of week: %s", result));
        assertEquals(result.get(womField), wom, "Week of Month should not change");
        assertEquals(result.get(woyField), woy, "Week of Year should not change");
    }
}
 

import java.time.temporal.WeekFields; //导入方法依赖的package包/类
@Test(dataProvider="weekFields")
public void test_basics(DayOfWeek firstDayOfWeek, int minDays) {
    WeekFields week = WeekFields.of(firstDayOfWeek, minDays);
    assertEquals(week.dayOfWeek().isDateBased(), true);
    assertEquals(week.dayOfWeek().isTimeBased(), false);

    assertEquals(week.weekOfMonth().isDateBased(), true);
    assertEquals(week.weekOfMonth().isTimeBased(), false);

    assertEquals(week.weekOfYear().isDateBased(), true);
    assertEquals(week.weekOfYear().isTimeBased(), false);

    assertEquals(week.weekOfWeekBasedYear().isDateBased(), true);
    assertEquals(week.weekOfWeekBasedYear().isTimeBased(), false);

    assertEquals(week.weekBasedYear().isDateBased(), true);
    assertEquals(week.weekBasedYear().isTimeBased(), false);
}
 

import java.time.temporal.WeekFields; //导入方法依赖的package包/类
@Test(dataProvider="weekFields")
public void test_weekOfYearField(DayOfWeek firstDayOfWeek, int minDays) {
    LocalDate day = LocalDate.of(2012, 12, 31);  // Known to be ISO Monday
    WeekFields week = WeekFields.of(firstDayOfWeek, minDays);
    TemporalField dowField = week.dayOfWeek();
    TemporalField woyField = week.weekOfYear();

    for (int i = 1; i <= 15; i++) {
        int actualDOW = day.get(dowField);
        int actualWOY = day.get(woyField);

        // Verify that the combination of day of week and week of month can be used
        // to reconstruct the same date.
        LocalDate day1 = day.withDayOfYear(1);
        int offset = - (day1.get(dowField) - 1);
        int week1 = day1.get(woyField);
        if (week1 == 0) {
            // week of the 1st is partial; start with first full week
            offset += 7;
        }
        offset += actualDOW - 1;
        offset += (actualWOY - 1) * 7;
        LocalDate result = day1.plusDays(offset);

        assertEquals(result, day, "Incorrect dayOfWeek or weekOfYear "
                + String.format("%s, ISO Dow: %s, offset: %s, actualDOW: %s, actualWOM: %s, expected: %s, result: %s%n",
                week, day.getDayOfWeek(), offset, actualDOW, actualWOY, day, result));
        day = day.plusDays(1);
    }
}
 

import java.time.temporal.WeekFields; //导入方法依赖的package包/类
@Test(dataProvider="weekFields")
public void test_of_DayOfWeek_int_singleton(DayOfWeek firstDayOfWeek, int minDays) {
    WeekFields week = WeekFields.of(firstDayOfWeek, minDays);
    assertEquals(week.getFirstDayOfWeek(), firstDayOfWeek, "Incorrect firstDayOfWeek");
    assertEquals(week.getMinimalDaysInFirstWeek(), minDays, "Incorrect MinimalDaysInFirstWeek");
    assertSame(WeekFields.of(firstDayOfWeek, minDays), week);
}
 

import java.time.temporal.WeekFields; //导入方法依赖的package包/类
@Test(dataProvider="weekFields")
public void test_dayOfWeekField(DayOfWeek firstDayOfWeek, int minDays) {
    LocalDate day = LocalDate.of(2000, 1, 10);  // Known to be ISO Monday
    WeekFields week = WeekFields.of(firstDayOfWeek, minDays);
    TemporalField f = week.dayOfWeek();

    for (int i = 1; i <= 7; i++) {
        assertEquals(day.get(f), (7 + day.getDayOfWeek().getValue() - firstDayOfWeek.getValue()) % 7 + 1);
        day = day.plusDays(1);
    }
}
 

import java.time.temporal.WeekFields; //导入方法依赖的package包/类
@Test(dataProvider="FieldPatterns")
public void test_parse_textField(String pattern, String text, int pos, int expectedPos, long expectedValue) {
    WeekFields weekDef = WeekFields.of(locale);
    TemporalField field = null;
    switch(pattern.charAt(0)) {
        case 'e' :
            field = weekDef.dayOfWeek();
            break;
        case 'w':
            field = weekDef.weekOfWeekBasedYear();
            break;
        case 'W':
            field = weekDef.weekOfMonth();
            break;
        case 'Y':
            field = weekDef.weekBasedYear();
            break;
        default:
            throw new IllegalStateException("bad format letter from pattern");
    }
    ParsePosition ppos = new ParsePosition(pos);
    DateTimeFormatterBuilder b
            = new DateTimeFormatterBuilder().appendPattern(pattern);
    DateTimeFormatter dtf = b.toFormatter(locale);
    TemporalAccessor parsed = dtf.parseUnresolved(text, ppos);
    if (ppos.getErrorIndex() != -1) {
        assertEquals(ppos.getErrorIndex(), expectedPos);
    } else {
        assertEquals(ppos.getIndex(), expectedPos, "Incorrect ending parse position");
        long value = parsed.getLong(field);
        assertEquals(value, expectedValue, "Value incorrect for " + field);
    }
}
 

import java.time.temporal.WeekFields; //导入方法依赖的package包/类
@DataProvider(name="WeekBasedYearData")
Object[][] provider_WeekBasedYearData() {
    return new Object[][] {
        {WeekFields.of(DayOfWeek.SUNDAY, 1),  2008, 52, 7, LocalDate.of(2008, 12, 27)},
        {WeekFields.of(DayOfWeek.SUNDAY, 1),  2009,  1, 1, LocalDate.of(2008, 12, 28)},
        {WeekFields.of(DayOfWeek.SUNDAY, 1),  2009,  1, 2, LocalDate.of(2008, 12, 29)},
        {WeekFields.of(DayOfWeek.SUNDAY, 1),  2009,  1, 3, LocalDate.of(2008, 12, 30)},
        {WeekFields.of(DayOfWeek.SUNDAY, 1),  2009,  1, 4, LocalDate.of(2008, 12, 31)},
        {WeekFields.of(DayOfWeek.SUNDAY, 1),  2009,  1, 5, LocalDate.of(2009, 1, 1)},
        {WeekFields.of(DayOfWeek.SUNDAY, 1),  2009,  2, 1, LocalDate.of(2009, 1, 4)},
        {WeekFields.of(DayOfWeek.SUNDAY, 1),  2009,  2, 2, LocalDate.of(2009, 1, 5)},
        {WeekFields.of(DayOfWeek.SUNDAY, 1),  2009,  2, 3, LocalDate.of(2009, 1, 6)},
   };
}
 

import java.time.temporal.WeekFields; //导入方法依赖的package包/类
@Test(dataProvider="weekFields")
public void test_withWeekOfWeekBasedYear(DayOfWeek firstDayOfWeek, int minDays) {
    LocalDate day = LocalDate.of(2012, 12, 31);
    WeekFields week = WeekFields.of(firstDayOfWeek, minDays);
    TemporalField dowField = week.dayOfWeek();
    TemporalField wowbyField = week.weekOfWeekBasedYear();
    TemporalField yowbyField = week.weekBasedYear();

    int dowExpected = (day.get(dowField) - 1) % 7 + 1;
    LocalDate dowDate = day.with(dowField, dowExpected);
    int dowResult = dowDate.get(dowField);
    assertEquals(dowResult, dowExpected, "Localized DayOfWeek not correct; " + day + " -->" + dowDate);

    int weekExpected = day.get(wowbyField) + 1;
    ValueRange range = day.range(wowbyField);
    weekExpected = ((weekExpected - 1) % (int)range.getMaximum()) + 1;
    LocalDate weekDate = day.with(wowbyField, weekExpected);
    int weekResult = weekDate.get(wowbyField);
    assertEquals(weekResult, weekExpected, "Localized WeekOfWeekBasedYear not correct; " + day + " -->" + weekDate);

    int yearExpected = day.get(yowbyField) + 1;

    LocalDate yearDate = day.with(yowbyField, yearExpected);
    int yearResult = yearDate.get(yowbyField);
    assertEquals(yearResult, yearExpected, "Localized WeekBasedYear not correct; " + day  + " --> " + yearDate);

    range = yearDate.range(wowbyField);
    weekExpected = Math.min(day.get(wowbyField), (int)range.getMaximum());

    int weekActual = yearDate.get(wowbyField);
    assertEquals(weekActual, weekExpected, "Localized WeekOfWeekBasedYear week should not change; " + day + " --> " + yearDate + ", actual: " + weekActual + ", weekExpected: " + weekExpected);
}