下面列出了java.time.temporal.WeekFields#weekOfMonth ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
@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);
}
}
@Test(dataProvider="weekFields")
public void test_parse_resolve_localizedWomDow(DayOfWeek firstDayOfWeek, int minDays) {
LocalDate date = LocalDate.of(2012, 12, 15);
WeekFields week = WeekFields.of(firstDayOfWeek, minDays);
TemporalField dowField = week.dayOfWeek();
TemporalField womField = week.weekOfMonth();
for (int i = 1; i <= 15; i++) {
DateTimeFormatter f = new DateTimeFormatterBuilder()
.appendValue(YEAR).appendLiteral(':')
.appendValue(MONTH_OF_YEAR).appendLiteral(':')
.appendValue(womField).appendLiteral(':')
.appendValue(dowField).toFormatter();
String str = date.getYear() + ":" + date.getMonthValue() + ":" +
date.get(womField) + ":" + date.get(dowField);
LocalDate parsed = LocalDate.parse(str, f);
assertEquals(parsed, date, " :: " + str + " " + i);
date = date.plusDays(1);
}
}
@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");
}
}
@Test
@UseDataProvider("data_weekFields")
public void test_parse_resolve_localizedWomDow_lenient(DayOfWeek firstDayOfWeek, int minDays) {
LocalDate date = LocalDate.of(2012, 12, 15);
WeekFields week = WeekFields.of(firstDayOfWeek, minDays);
TemporalField dowField = week.dayOfWeek();
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(dowField).toFormatter().withResolverStyle(LENIENT);
int wom = date.get(womField);
int dow = date.get(dowField);
for (int j = wom - 10; j < wom + 10; j++) {
String str = date.getYear() + ":" + date.getMonthValue() + ":" + j + ":" + dow;
LocalDate parsed = LocalDate.parse(str, f);
assertEquals(" ::" + str + ": :" + i + "::" + j, parsed, date.plusWeeks(j - wom));
}
date = date.plusDays(1);
}
}
@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);
}
}
@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");
}
}
@Test(dataProvider="weekFields")
public void test_parse_resolve_localizedWomDow(DayOfWeek firstDayOfWeek, int minDays) {
LocalDate date = LocalDate.of(2012, 12, 15);
WeekFields week = WeekFields.of(firstDayOfWeek, minDays);
TemporalField dowField = week.dayOfWeek();
TemporalField womField = week.weekOfMonth();
for (int i = 1; i <= 15; i++) {
DateTimeFormatter f = new DateTimeFormatterBuilder()
.appendValue(YEAR).appendLiteral(':')
.appendValue(MONTH_OF_YEAR).appendLiteral(':')
.appendValue(womField).appendLiteral(':')
.appendValue(dowField).toFormatter();
String str = date.getYear() + ":" + date.getMonthValue() + ":" +
date.get(womField) + ":" + date.get(dowField);
LocalDate parsed = LocalDate.parse(str, f);
assertEquals(parsed, date, " :: " + str + " " + i);
date = date.plusDays(1);
}
}
@Test(dataProvider="weekFields")
public void test_parse_resolve_localizedWom_lenient(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(LENIENT);
int wom = date.get(womField);
int dow = date.get(DAY_OF_WEEK);
for (int j = wom - 10; j < wom + 10; j++) {
String str = date.getYear() + ":" + date.getMonthValue() + ":" + j + ":" + dow;
LocalDate parsed = LocalDate.parse(str, f);
assertEquals(parsed, date.plusWeeks(j - wom), " ::" + str + ": :" + i + "::" + j);
}
date = date.plusDays(1);
}
}
@Test(dataProvider="weekFields")
public void test_fieldRanges(DayOfWeek firstDayOfWeek, int minDays) {
WeekFields weekDef = WeekFields.of(firstDayOfWeek, minDays);
TemporalField womField = weekDef.weekOfMonth();
TemporalField woyField = weekDef.weekOfYear();
LocalDate day = LocalDate.of(2012, 11, 30);
LocalDate endDay = LocalDate.of(2013, 1, 2);
while (day.isBefore(endDay)) {
LocalDate last = day.with(DAY_OF_MONTH, day.lengthOfMonth());
int lastWOM = last.get(womField);
LocalDate first = day.with(DAY_OF_MONTH, 1);
int firstWOM = first.get(womField);
ValueRange rangeWOM = day.range(womField);
assertEquals(rangeWOM.getMinimum(), firstWOM,
"Range min should be same as WeekOfMonth for first day of month: "
+ first + ", " + weekDef);
assertEquals(rangeWOM.getMaximum(), lastWOM,
"Range max should be same as WeekOfMonth for last day of month: "
+ last + ", " + weekDef);
last = day.with(DAY_OF_YEAR, day.lengthOfYear());
int lastWOY = last.get(woyField);
first = day.with(DAY_OF_YEAR, 1);
int firstWOY = first.get(woyField);
ValueRange rangeWOY = day.range(woyField);
assertEquals(rangeWOY.getMinimum(), firstWOY,
"Range min should be same as WeekOfYear for first day of Year: "
+ day + ", " + weekDef);
assertEquals(rangeWOY.getMaximum(), lastWOY,
"Range max should be same as WeekOfYear for last day of Year: "
+ day + ", " + weekDef);
day = day.plusDays(1);
}
}
@Test(dataProvider="weekFields")
public void test_fieldRanges(DayOfWeek firstDayOfWeek, int minDays) {
WeekFields weekDef = WeekFields.of(firstDayOfWeek, minDays);
TemporalField womField = weekDef.weekOfMonth();
TemporalField woyField = weekDef.weekOfYear();
LocalDate day = LocalDate.of(2012, 11, 30);
LocalDate endDay = LocalDate.of(2013, 1, 2);
while (day.isBefore(endDay)) {
LocalDate last = day.with(DAY_OF_MONTH, day.lengthOfMonth());
int lastWOM = last.get(womField);
LocalDate first = day.with(DAY_OF_MONTH, 1);
int firstWOM = first.get(womField);
ValueRange rangeWOM = day.range(womField);
assertEquals(rangeWOM.getMinimum(), firstWOM,
"Range min should be same as WeekOfMonth for first day of month: "
+ first + ", " + weekDef);
assertEquals(rangeWOM.getMaximum(), lastWOM,
"Range max should be same as WeekOfMonth for last day of month: "
+ last + ", " + weekDef);
last = day.with(DAY_OF_YEAR, day.lengthOfYear());
int lastWOY = last.get(woyField);
first = day.with(DAY_OF_YEAR, 1);
int firstWOY = first.get(woyField);
ValueRange rangeWOY = day.range(woyField);
assertEquals(rangeWOY.getMinimum(), firstWOY,
"Range min should be same as WeekOfYear for first day of Year: "
+ day + ", " + weekDef);
assertEquals(rangeWOY.getMaximum(), lastWOY,
"Range max should be same as WeekOfYear for last day of Year: "
+ day + ", " + weekDef);
day = day.plusDays(1);
}
}
/**
* Gets the printerParser to use based on the field and the locale.
*
* @param locale the locale to use, not null
* @return the formatter, not null
* @throws IllegalArgumentException if the formatter cannot be found
*/
private DateTimePrinterParser printerParser(Locale locale) {
WeekFields weekDef = WeekFields.of(locale);
TemporalField field = null;
switch (chr) {
case 'Y':
field = weekDef.weekBasedYear();
if (count == 2) {
return new ReducedPrinterParser(field, 2, 2, 0, ReducedPrinterParser.BASE_DATE, 0);
} else {
return new NumberPrinterParser(field, count, 19,
(count < 4) ? SignStyle.NORMAL : SignStyle.EXCEEDS_PAD, -1);
}
case 'e':
case 'c':
field = weekDef.dayOfWeek();
break;
case 'w':
field = weekDef.weekOfWeekBasedYear();
break;
case 'W':
field = weekDef.weekOfMonth();
break;
default:
throw new IllegalStateException("unreachable");
}
return new NumberPrinterParser(field, (count == 2 ? 2 : 1), 2, SignStyle.NOT_NEGATIVE);
}
@Test(dataProvider="weekFields")
public void test_fieldRanges(DayOfWeek firstDayOfWeek, int minDays) {
WeekFields weekDef = WeekFields.of(firstDayOfWeek, minDays);
TemporalField womField = weekDef.weekOfMonth();
TemporalField woyField = weekDef.weekOfYear();
LocalDate day = LocalDate.of(2012, 11, 30);
LocalDate endDay = LocalDate.of(2013, 1, 2);
while (day.isBefore(endDay)) {
LocalDate last = day.with(DAY_OF_MONTH, day.lengthOfMonth());
int lastWOM = last.get(womField);
LocalDate first = day.with(DAY_OF_MONTH, 1);
int firstWOM = first.get(womField);
ValueRange rangeWOM = day.range(womField);
assertEquals(rangeWOM.getMinimum(), firstWOM,
"Range min should be same as WeekOfMonth for first day of month: "
+ first + ", " + weekDef);
assertEquals(rangeWOM.getMaximum(), lastWOM,
"Range max should be same as WeekOfMonth for last day of month: "
+ last + ", " + weekDef);
last = day.with(DAY_OF_YEAR, day.lengthOfYear());
int lastWOY = last.get(woyField);
first = day.with(DAY_OF_YEAR, 1);
int firstWOY = first.get(woyField);
ValueRange rangeWOY = day.range(woyField);
assertEquals(rangeWOY.getMinimum(), firstWOY,
"Range min should be same as WeekOfYear for first day of Year: "
+ day + ", " + weekDef);
assertEquals(rangeWOY.getMaximum(), lastWOY,
"Range max should be same as WeekOfYear for last day of Year: "
+ day + ", " + weekDef);
day = day.plusDays(1);
}
}
@Test
@UseDataProvider("provider_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("Incorrect ending parse position", ppos.getIndex(), expectedPos);
long value = parsed.getLong(field);
assertEquals("Value incorrect for " + field, value, expectedValue);
}
}
@Test(dataProvider="weekFields")
public void test_weekOfMonthField(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 womField = week.weekOfMonth();
for (int i = 1; i <= 15; i++) {
int actualDOW = day.get(dowField);
int actualWOM = day.get(womField);
// Verify that the combination of day of week and week of month can be used
// to reconstruct the same date.
LocalDate day1 = day.withDayOfMonth(1);
int offset = - (day1.get(dowField) - 1);
int week1 = day1.get(womField);
if (week1 == 0) {
// week of the 1st is partial; start with first full week
offset += 7;
}
offset += actualDOW - 1;
offset += (actualWOM - 1) * 7;
LocalDate result = day1.plusDays(offset);
assertEquals(result, day, "Incorrect dayOfWeek or weekOfMonth: "
+ String.format("%s, ISO Dow: %s, offset: %s, actualDOW: %s, actualWOM: %s, expected: %s, result: %s%n",
week, day.getDayOfWeek(), offset, actualDOW, actualWOM, day, result));
day = day.plusDays(1);
}
}
/**
* Gets the printerParser to use based on the field and the locale.
*
* @param locale the locale to use, not null
* @return the formatter, not null
* @throws IllegalArgumentException if the formatter cannot be found
*/
private DateTimePrinterParser printerParser(Locale locale) {
WeekFields weekDef = WeekFields.of(locale);
TemporalField field = null;
switch (chr) {
case 'Y':
field = weekDef.weekBasedYear();
if (count == 2) {
return new ReducedPrinterParser(field, 2, 2, 0, ReducedPrinterParser.BASE_DATE, 0);
} else {
return new NumberPrinterParser(field, count, 19,
(count < 4) ? SignStyle.NORMAL : SignStyle.EXCEEDS_PAD, -1);
}
case 'e':
case 'c':
field = weekDef.dayOfWeek();
break;
case 'w':
field = weekDef.weekOfWeekBasedYear();
break;
case 'W':
field = weekDef.weekOfMonth();
break;
default:
throw new IllegalStateException("unreachable");
}
return new NumberPrinterParser(field, (count == 2 ? 2 : 1), 2, SignStyle.NOT_NEGATIVE);
}
@Test(dataProvider="weekFields")
public void test_weekOfMonthField(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 womField = week.weekOfMonth();
for (int i = 1; i <= 15; i++) {
int actualDOW = day.get(dowField);
int actualWOM = day.get(womField);
// Verify that the combination of day of week and week of month can be used
// to reconstruct the same date.
LocalDate day1 = day.withDayOfMonth(1);
int offset = - (day1.get(dowField) - 1);
int week1 = day1.get(womField);
if (week1 == 0) {
// week of the 1st is partial; start with first full week
offset += 7;
}
offset += actualDOW - 1;
offset += (actualWOM - 1) * 7;
LocalDate result = day1.plusDays(offset);
assertEquals(result, day, "Incorrect dayOfWeek or weekOfMonth: "
+ String.format("%s, ISO Dow: %s, offset: %s, actualDOW: %s, actualWOM: %s, expected: %s, result: %s%n",
week, day.getDayOfWeek(), offset, actualDOW, actualWOM, day, result));
day = day.plusDays(1);
}
}
@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);
}
}
@Test(dataProvider="weekFields")
public void test_weekOfMonthField(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 womField = week.weekOfMonth();
for (int i = 1; i <= 15; i++) {
int actualDOW = day.get(dowField);
int actualWOM = day.get(womField);
// Verify that the combination of day of week and week of month can be used
// to reconstruct the same date.
LocalDate day1 = day.withDayOfMonth(1);
int offset = - (day1.get(dowField) - 1);
int week1 = day1.get(womField);
if (week1 == 0) {
// week of the 1st is partial; start with first full week
offset += 7;
}
offset += actualDOW - 1;
offset += (actualWOM - 1) * 7;
LocalDate result = day1.plusDays(offset);
assertEquals(result, day, "Incorrect dayOfWeek or weekOfMonth: "
+ String.format("%s, ISO Dow: %s, offset: %s, actualDOW: %s, actualWOM: %s, expected: %s, result: %s%n",
week, day.getDayOfWeek(), offset, actualDOW, actualWOM, day, result));
day = day.plusDays(1);
}
}
@Test
@UseDataProvider("data_weekFields")
public void test_weekOfMonthField(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 womField = week.weekOfMonth();
for (int i = 1; i <= 15; i++) {
int actualDOW = day.get(dowField);
int actualWOM = day.get(womField);
// Verify that the combination of day of week and week of month can be used
// to reconstruct the same date.
LocalDate day1 = day.withDayOfMonth(1);
int offset = - (day1.get(dowField) - 1);
int week1 = day1.get(womField);
if (week1 == 0) {
// week of the 1st is partial; start with first full week
offset += 7;
}
offset += actualDOW - 1;
offset += (actualWOM - 1) * 7;
LocalDate result = day1.plusDays(offset);
assertEquals("Incorrect dayOfWeek or weekOfMonth: "
+ String.format("%s, ISO Dow: %s, offset: %s, actualDOW: %s, actualWOM: %s, expected: %s, result: %s%n",
week, day.getDayOfWeek(), offset, actualDOW, actualWOM, day, result), result, day);
day = day.plusDays(1);
}
}
/**
* Gets the printerParser to use based on the field and the locale.
*
* @param locale the locale to use, not null
* @return the formatter, not null
* @throws IllegalArgumentException if the formatter cannot be found
*/
private DateTimePrinterParser printerParser(Locale locale) {
WeekFields weekDef = WeekFields.of(locale);
TemporalField field = null;
switch (chr) {
case 'Y':
field = weekDef.weekBasedYear();
if (count == 2) {
return new ReducedPrinterParser(field, 2, 2, 0, ReducedPrinterParser.BASE_DATE, 0);
} else {
return new NumberPrinterParser(field, count, 19,
(count < 4) ? SignStyle.NORMAL : SignStyle.EXCEEDS_PAD, -1);
}
case 'e':
case 'c':
field = weekDef.dayOfWeek();
break;
case 'w':
field = weekDef.weekOfWeekBasedYear();
break;
case 'W':
field = weekDef.weekOfMonth();
break;
default:
throw new IllegalStateException("unreachable");
}
return new NumberPrinterParser(field, (count == 2 ? 2 : 1), 2, SignStyle.NOT_NEGATIVE);
}