BAEL-890 - Kotlin-Allopen with Spring example (#2582)

* Different types of bean injection in Spring

* Difference between two dates in java

* Update README.md

* Simple clean of difference between dates

* Clean my test article

* Improve dates diff: for dates and datetimes

* Move difference between dates from core-java to libraries

* BAEL-890 - Kotlin-Allopen with Spring example

libraries/pom.xml

@@ -648,6 +648,8 @@
         <streamex.version>0.6.5</streamex.version>
         <vavr.version>0.9.0</vavr.version>
         <geotools.version>15.2</geotools.version>
+        <joda-time.version>2.9.9</joda-time.version>
+        <hirondelle-date4j.version>1.5.1</hirondelle-date4j.version>
         <retrofit.version>2.3.0</retrofit.version>
         <joda-time.version>2.9.9</joda-time.version>
         <hirondelle-date4j.version>1.5.1</hirondelle-date4j.version>

spring-mvc-kotlin/pom.xml

@@ -45,6 +45,12 @@
             <artifactId>thymeleaf-spring4</artifactId>
             <version>3.0.7.RELEASE</version>
         </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-test</artifactId>
+            <version>4.3.10.RELEASE</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>
@@ -55,7 +61,12 @@
                 <artifactId>kotlin-maven-plugin</artifactId>
                 <groupId>org.jetbrains.kotlin</groupId>
                 <version>1.1.4</version>
-
+                <configuration>
+                    <compilerPlugins>
+                        <plugin>spring</plugin>
+                    </compilerPlugins>
+                    <jvmTarget>1.8</jvmTarget>
+                </configuration>
                 <executions>
                     <execution>
                         <id>compile</id>
@@ -64,7 +75,6 @@
                             <goal>compile</goal>
                         </goals>
                     </execution>
-
                     <execution>
                         <id>test-compile</id>
                         <phase>test-compile</phase>
@@ -73,6 +83,13 @@
                         </goals>
                     </execution>
                 </executions>
+                <dependencies>
+                    <dependency>
+                        <groupId>org.jetbrains.kotlin</groupId>
+                        <artifactId>kotlin-maven-allopen</artifactId>
+                        <version>1.1.4-3</version>
+                    </dependency>
+                </dependencies>
             </plugin>
         </plugins>
     </build>

spring-mvc-kotlin/src/main/kotlin/com/baeldung/kotlin/allopen/SimpleConfiguration.kt

@@ -0,0 +1,7 @@
+package com.baeldung.kotlin.allopen
+
+import org.springframework.context.annotation.Configuration
+
+@Configuration
+class SimpleConfiguration {
+}

spring-mvc-kotlin/src/test/kotlin/com/baeldung/kotlin/allopen/SimpleConfigurationTest.kt

@@ -0,0 +1,19 @@
+package com.baeldung.kotlin.allopen
+
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.springframework.test.context.ContextConfiguration
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner
+import org.springframework.test.context.support.AnnotationConfigContextLoader
+
+@RunWith(SpringJUnit4ClassRunner::class)
+@ContextConfiguration(
+        loader = AnnotationConfigContextLoader::class,
+        classes = arrayOf(SimpleConfiguration::class))
+class SimpleConfigurationTest {
+
+    @Test
+    fun contextLoads() {
+    }
+
+}