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BAEL-3912: Changes done for comments 

BAEL-3912: Changes done for comments

BAEL-3912: Changes done for comments

BAEL-3912: Changes done for comments

BAEL-3912: Changes done for comments

BAEL-3912: Changes done for comments

BAEL-3912: Changes done for comments
This commit is contained in:
Nacho Verdu 2020-03-18 18:22:32 +00:00
parent 2401a9af7d
commit 5249021b68
6 changed files with 166 additions and 64 deletions
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29
core-java-modules/core-java-date-operations-2/src/main/java/com/baeldung/getweeknumber/GetWeekNumberNewJava.java
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@ -1,29 +0,0 @@
package com.baeldung.getweeknumber;
import java.time.DayOfWeek;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
public class GetWeekNumberNewJava {
private LocalDate date;
public GetWeekNumberNewJava(String day, String dayFormat) {
date = LocalDate.parse(day, DateTimeFormatter.ofPattern(dayFormat));
}
public GetWeekNumberNewJava(int year, int month, int day) {
date = LocalDate.of(year, month, day);
}
public DayOfWeek getDayOfWeek() {
return date.getDayOfWeek();
}
public static void main(String[] args) {
GetWeekNumberNewJava example1 = new GetWeekNumberNewJava(2020, 3, 2);
System.out.println(example1.getDayOfWeek());
GetWeekNumberNewJava example2 = new GetWeekNumberNewJava("20200302", "yyyyMMdd");
System.out.println(example2.getDayOfWeek().getValue());
}
}

35
core-java-modules/core-java-date-operations-2/src/main/java/com/baeldung/getweeknumber/GetWeekNumberOldJava.java
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@ -1,35 +0,0 @@
package com.baeldung.getweeknumber;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
public class GetWeekNumberOldJava {
private Calendar calendar;
public GetWeekNumberOldJava(String day, String dayFormat) throws ParseException {
SimpleDateFormat sdf = new SimpleDateFormat(dayFormat);
calendar = Calendar.getInstance();
Date date = sdf.parse(day);
calendar.setTime(date);
}
public GetWeekNumberOldJava(int year, int month, int day) {
calendar = Calendar.getInstance();
calendar.set(year, month, day);
}
public int getDayOfWeek() {
return calendar.get(Calendar.DAY_OF_WEEK);
}
public static void main(String[] args) throws ParseException {
GetWeekNumberOldJava example1 = new GetWeekNumberOldJava(2020, 2, 2);
System.out.println(example1.getDayOfWeek());
GetWeekNumberOldJava example2 = new GetWeekNumberOldJava("20200302", "yyyyMMdd");
System.out.println(example2.getDayOfWeek());
}
}

41
core-java-modules/core-java-date-operations-2/src/main/java/com/baeldung/weeknumber/WeekNumberUsingCalendar.java Normal file
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package com.baeldung.weeknumber;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
public class WeekNumberUsingCalendar {
public int getWeekNumberFrom(String day, String dateFormat, Locale locale) throws ParseException {
SimpleDateFormat sdf = new SimpleDateFormat(dateFormat);
Calendar calendar = Calendar.getInstance(locale);
Date date = sdf.parse(day);
calendar.setTime(date);
return calendar.get(Calendar.WEEK_OF_YEAR);
}
public int getWeekNumberFrom(int year, int month, int day, Locale locale) {
Calendar calendar = Calendar.getInstance(locale);
calendar.set(year, month, day);
return calendar.get(Calendar.WEEK_OF_YEAR);
}
public int getWeekNumberFrom(int year, int month, int day, int firstDayOfWeek, int minimalDaysInFirstWeek, Locale locale) {
Calendar calendar = Calendar.getInstance(locale);
calendar.setFirstDayOfWeek(firstDayOfWeek);
calendar.setMinimalDaysInFirstWeek(minimalDaysInFirstWeek);
calendar.set(year, month, day);
return calendar.get(Calendar.WEEK_OF_YEAR);
}
public static void main(String[] args) {
WeekNumberUsingCalendar calendar = new WeekNumberUsingCalendar();
System.out.println(calendar.getWeekNumberFrom(2020, 2, 22, Locale.CANADA));
}
}

30
core-java-modules/core-java-date-operations-2/src/main/java/com/baeldung/weeknumber/WeekNumberUsingLocalDate.java Normal file
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package com.baeldung.weeknumber;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.time.temporal.ChronoField;
import java.time.temporal.WeekFields;
import java.util.Locale;
public class WeekNumberUsingLocalDate {
public Integer getWeekNumberUsingWeekFiedsFrom(String day, String dayFormat, Locale locale) {
LocalDate date = LocalDate.parse(day, DateTimeFormatter.ofPattern(dayFormat));
return date.get(WeekFields.of(locale)
.weekOfYear());
}
public Integer getWeekNumberUsinWeekFieldsFrom(int year, int month, int day, Locale locale) {
LocalDate date = LocalDate.of(year, month, day);
return date.get(WeekFields.of(locale)
.weekOfYear());
}
public Integer getWeekNumberUsingChronoFieldFrom(int year, int month, int day) {
LocalDate date = LocalDate.of(year, month, day);
return date.get(ChronoField.ALIGNED_WEEK_OF_YEAR);
}
}

46
core-java-modules/core-java-date-operations-2/src/test/java/com/baeldung/weeknumber/WeekNumberUsingCalendarUnitTest.java Normal file
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package com.baeldung.weeknumber;
import static org.junit.Assert.assertEquals;
import java.text.ParseException;
import java.util.Calendar;
import java.util.Locale;
import org.junit.Test;
public class WeekNumberUsingCalendarUnitTest {
@Test
public void givenDateInStringAndDateFormatUsingLocaleItaly_thenGettingWeekNumberUsingCalendarIsCorrectlyReturned() throws ParseException {
WeekNumberUsingCalendar calendar = new WeekNumberUsingCalendar();
assertEquals(12, calendar.getWeekNumberFrom("20200322", "yyyyMMdd", Locale.ITALY));
}
@Test
public void givenDateInStringAndDateFormatUsingLocaleCanada_thenGettingWeekNumberUsingCalendarIsCorrectlyReturned() throws ParseException {
WeekNumberUsingCalendar calendar = new WeekNumberUsingCalendar();
assertEquals(13, calendar.getWeekNumberFrom("20200322", "yyyyMMdd", Locale.CANADA));
}
@Test
public void givenDateInYearMonthDayNumbersLocaleItaly_thenGettingWeekNumberUsingCalendarIsCorrectlyReturned() {
WeekNumberUsingCalendar calendar = new WeekNumberUsingCalendar();
assertEquals(12, calendar.getWeekNumberFrom(2020, 2, 22, Locale.ITALY));
}
@Test
public void givenDateInYearMonthDayNumbersLocaleItalyChangingWeekCalculationSettings_thenGettingWeekNumberUsingCalendarIsCorrectlyReturned() {
WeekNumberUsingCalendar calendar = new WeekNumberUsingCalendar();
assertEquals(13, calendar.getWeekNumberFrom(2020, 2, 22, Calendar.SUNDAY, 4, Locale.ITALY));
}
@Test
public void givenDateInYearMonthDayNumbersLocaleCanada_thenGettingWeekNumberUsingCalendarIsCorrectlyReturned() {
WeekNumberUsingCalendar calendar = new WeekNumberUsingCalendar();
assertEquals(13, calendar.getWeekNumberFrom(2020, 2, 22, Locale.CANADA));
}
}

49
core-java-modules/core-java-date-operations-2/src/test/java/com/baeldung/weeknumber/WeekNumberUsingLocalDateUnitTest.java Normal file
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package com.baeldung.weeknumber;
import static org.junit.Assert.assertEquals;
import java.util.Locale;
import org.junit.Test;
public class WeekNumberUsingLocalDateUnitTest {
@Test
public void givenDateInStringAndDateFormatUsingWeekFieldsWithLocaleItaly_thenGettingWeekNumberUsingLocalDateIsCorrectlyReturned() {
WeekNumberUsingLocalDate localDate = new WeekNumberUsingLocalDate();
assertEquals(12, localDate.getWeekNumberUsingWeekFiedsFrom("20200322", "yyyyMMdd", Locale.ITALY)
.longValue());
}
@Test
public void givenDateInStringAndDateFormatUsingWeekFieldsWithLocaleCanada_thenGettingWeekNumberUsingLocalDateIsCorrectlyReturned() {
WeekNumberUsingLocalDate localDate = new WeekNumberUsingLocalDate();
assertEquals(13, localDate.getWeekNumberUsingWeekFiedsFrom("20200322", "yyyyMMdd", Locale.CANADA)
.longValue());
}
@Test
public void givenDateInStringAndDateFormatUsingChronoFieds_thenGettingWeekNumberUsingLocalDateIsCorrectlyReturned() {
WeekNumberUsingLocalDate localDate = new WeekNumberUsingLocalDate();
assertEquals(12, localDate.getWeekNumberUsingChronoFieldFrom(2020, 3, 22)
.longValue());
}
@Test
public void givenDateInYearMonthDayNumbersUsingWeekFieldsWithLocaleItaly_thenGettingWeekNumberUsingLocalDateIsCorrectlyReturned() {
WeekNumberUsingLocalDate localDate = new WeekNumberUsingLocalDate();
assertEquals(12, localDate.getWeekNumberUsinWeekFieldsFrom(2020, 3, 22, Locale.ITALY)
.longValue());
}
@Test
public void givenDateInYearMonthDayNumbersUsingWeekFieldsWithLocaleCanada_thenGettingWeekNumberUsingLocalDateIsCorrectlyReturned() {
WeekNumberUsingLocalDate localDate = new WeekNumberUsingLocalDate();
assertEquals(13, localDate.getWeekNumberUsinWeekFieldsFrom(2020, 3, 22, Locale.CANADA)
.longValue());
}
}