Merge pull request #5405 from eugenp/remove-date-diff-module

remove diff-dates module

java-dates/src/test/java/com/baeldung/date/DateDiffUnitTest.java

@@ -5,7 +5,9 @@ import org.junit.Test;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.time.Duration;
+import java.time.LocalDate;
 import java.time.LocalDateTime;
+import java.time.Period;
 import java.util.Date;
 import java.util.Locale;
 import java.util.TimeZone;
@@ -26,6 +28,17 @@ public class DateDiffUnitTest {
 
         assertEquals(diff, 6);
     }
+    
+    @Test
+    public void givenTwoDatesInJava8_whenDifferentiating_thenWeGetSix() {
+        LocalDate now = LocalDate.now();
+        LocalDate sixDaysBehind = now.minusDays(6);
+
+        Period period = Period.between(now, sixDaysBehind);
+        int diff = period.getDays();
+
+        assertEquals(diff, 6);
+    }
 
     @Test
     public void givenTwoDateTimesInJava8_whenDifferentiating_thenWeGetSix() {

java-difference-date/README.md

@@ -1,5 +0,0 @@
-## Relevant articles:
-
-- [Period and Duration in Java](http://www.baeldung.com/java-period-duration)
-- [Introduction to the Java 8 Date/Time API](http://www.baeldung.com/java-8-date-time-intro)
-- [Migrating to the New Java 8 Date Time API](http://www.baeldung.com/migrating-to-java-8-date-time-api)

java-difference-date/pom.xml

@@ -1,36 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
-    <artifactId>java-difference-date</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
-    <packaging>jar</packaging>
-    <name>java-difference-date</name>
-    <description>Difference between two dates in java</description>
-
-    <parent>
-        <groupId>com.baeldung</groupId>
-        <artifactId>parent-modules</artifactId>
-        <version>1.0.0-SNAPSHOT</version>
-    </parent>
-
-    <dependencies>
-        <dependency>
-            <groupId>joda-time</groupId>
-            <artifactId>joda-time</artifactId>
-            <version>${joda-time.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.darwinsys</groupId>
-            <artifactId>hirondelle-date4j</artifactId>
-            <version>${hirondelle-date4j.version}</version>
-        </dependency>
-    </dependencies>
-
-    <properties>
-        <joda-time.version>2.9.9</joda-time.version>
-        <hirondelle-date4j.version>1.5.1</hirondelle-date4j.version>
-    </properties>
-
-</project>

java-difference-date/src/test/java/com/baeldung/DateDiffUnitTest.java

@@ -1,61 +0,0 @@
-package com.baeldung;
-
-import org.joda.time.DateTime;
-import org.junit.Test;
-
-import java.text.ParseException;
-import java.text.SimpleDateFormat;
-import java.time.Duration;
-import java.time.ZonedDateTime;
-import java.util.Date;
-import java.util.Locale;
-import java.util.TimeZone;
-import java.util.concurrent.TimeUnit;
-
-import static org.junit.Assert.assertEquals;
-
-public class DateDiffUnitTest {
-    @Test
-    public void givenTwoDatesBeforeJava8_whenDifferentiating_thenWeGetSix() throws ParseException {
-        SimpleDateFormat sdf = new SimpleDateFormat("MM/dd/yyyy", Locale.ENGLISH);
-        Date firstDate = sdf.parse("06/24/2017");
-        Date secondDate = sdf.parse("06/30/2017");
-
-        long diffInMillies = Math.abs(secondDate.getTime() - firstDate.getTime());
-        long diff = TimeUnit.DAYS.convert(diffInMillies, TimeUnit.MILLISECONDS);
-
-        assertEquals(diff, 6);
-    }
-
-    @Test
-    public void givenTwoDatesInJava8_whenDifferentiating_thenWeGetSix() {
-        ZonedDateTime now = ZonedDateTime.now();
-        ZonedDateTime sixDaysBehind = now.minusDays(6);
-
-        Duration duration = Duration.between(now, sixDaysBehind);
-        long diff = Math.abs(duration.toDays());
-
-        assertEquals(diff, 6);
-    }
-
-    @Test
-    public void givenTwoDatesInJodaTime_whenDifferentiating_thenWeGetSix() {
-        DateTime now = DateTime.now();
-        DateTime sixDaysBehind = now.minusDays(6);
-
-        org.joda.time.Duration duration = new org.joda.time.Duration(now, sixDaysBehind);
-        long diff = Math.abs(duration.getStandardDays());
-
-        assertEquals(diff, 6);
-    }
-
-    @Test
-    public void givenTwoDatesInDate4j_whenDifferentiating_thenWeGetSix() {
-        hirondelle.date4j.DateTime now = hirondelle.date4j.DateTime.now(TimeZone.getDefault());
-        hirondelle.date4j.DateTime sixDaysBehind = now.minusDays(6);
-
-        long diff = Math.abs(now.numDaysFrom(sixDaysBehind));
-
-        assertEquals(diff, 6);
-    }
-}

pom.xml

@@ -665,7 +665,6 @@
                 <module>dubbo</module>
                 <module>flyway</module>
                 <!-- <module>grpc</module> --><!-- protobuf-maven-plugin filecopy failure -->
-                <module>java-difference-date</module>
                 <!-- <module>JGit</module> --><!-- Unit test failure -->
                 <module>jni</module>
                 <module>jooby</module>
@@ -1138,7 +1137,6 @@
 				<module>dubbo</module>
 				<module>flyway</module>
 				<!-- <module>grpc</module> --><!-- protobuf-maven-plugin filecopy failure -->
-				<module>java-difference-date</module>
 				<!-- <module>JGit</module> --><!-- Unit test failure -->
 				<module>jni</module>
 				<module>jooby</module>