Fixed major bom issue

Author: Bikraji

pom.xml

@@ -11,7 +11,7 @@
   <version>1.0-SNAPSHOT</version>
 
   <modules>
-    <module>spring-tutorial-bom</module>
+    <module>spring-tutorial-boms</module>
     <module>spring-core-ioc</module>
     <module>spring-core-beanlifecycle</module>
     <module>spring-core-beanpostprocessor</module>
@@ -28,6 +28,7 @@
     <module>spring-aop-08-advice-parameters</module>
     <module>spring-aop-09-custom-annotation</module>
     <module>spring-aop-10-inter-type-declarations</module>
+    <module>spring-core-null-safety</module>
   </modules>
 
   <properties>

spring-core-null-safety/pom.xml

@@ -0,0 +1,67 @@
+<?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">
+  <parent>
+    <artifactId>spring-framework-tutorial-parent</artifactId>
+    <groupId>com.jstobigdata</groupId>
+    <version>1.0-SNAPSHOT</version>
+  </parent>
+  <modelVersion>4.0.0</modelVersion>
+
+  <artifactId>spring-core-null-safety</artifactId>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.springframework</groupId>
+      <artifactId>spring-core</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>org.springframework</groupId>
+      <artifactId>spring-context</artifactId>
+    </dependency>
+
+    <!-- Test Dependencies-->
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-api</artifactId>
+      <scope>test</scope>
+    </dependency>
+
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-engine</artifactId>
+      <scope>test</scope>
+    </dependency>
+
+    <dependency>
+      <groupId>org.springframework</groupId>
+      <artifactId>spring-test</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+  <dependencyManagement>
+    <dependencies>
+      <dependency>
+        <groupId>com.jstobigdata</groupId>
+        <artifactId>spring-tutorial-boms</artifactId>
+        <type>pom</type>
+        <scope>import</scope>
+        <version>1.0-SNAPSHOT</version>
+      </dependency>
+    </dependencies>
+  </dependencyManagement>
+
+  <!-- For Junit-jupiter, upgrade the maven surefire -->
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <version>3.0.0-M3</version>
+      </plugin>
+    </plugins>
+  </build>
+</project>

spring-core-null-safety/src/main/java/com/jbd/spring/AppConfig.java

@@ -0,0 +1,15 @@
+package com.jbd.spring;
+
+import com.jbd.spring.fieldlevel.Person;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@ComponentScan("com.jbd.spring.nullsafety")
+public class AppConfig {
+  @Bean
+  public Person person(){
+    return new Person(100L, null,null);
+  }
+}

spring-core-null-safety/src/main/java/com/jbd/spring/fieldlevel/Person.java

@@ -0,0 +1,49 @@
+package com.jbd.spring.fieldlevel;
+
+import org.springframework.lang.NonNull;
+import org.springframework.lang.Nullable;
+
+public class Person {
+  @NonNull
+  private Long id;
+  @NonNull
+  private String name;
+  @Nullable
+  private String email;
+
+  public Person(@NonNull Long id, @NonNull String name, @Nullable String email) {
+    this.id = id;
+    this.name = name;
+    this.email = email;
+  }
+
+  @NonNull
+  public Long getId() {
+    return id;
+  }
+
+  public Person setId(@NonNull Long id) {
+    this.id = id;
+    return this;
+  }
+
+  @NonNull
+  public String getName() {
+    return name;
+  }
+
+  public Person setName(@NonNull String name) {
+    this.name = name;
+    return this;
+  }
+
+  @Nullable
+  public String getEmail() {
+    return email;
+  }
+
+  public Person setEmail(@Nullable String email) {
+    this.email = email;
+    return this;
+  }
+}

spring-core-null-safety/src/test/java/com/jbd/spring/TestNullSafety.java

@@ -0,0 +1,18 @@
+package com.jbd.spring;
+
+import com.jbd.spring.fieldlevel.Person;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
+
+@SpringJUnitConfig(AppConfig.class)
+public class TestNullSafety {
+
+  @Autowired
+  private Person person;
+
+  @Test
+  public void testNullSafety(){
+    System.out.println(person.toString());
+  }
+}

spring-mvc-00-getting-started/pom.xml

@@ -42,7 +42,7 @@
     <dependencies>
       <dependency>
         <groupId>com.jstobigdata</groupId>
-        <artifactId>spring-tutorial-bom</artifactId>
+        <artifactId>spring-tutorial-boms</artifactId>
         <version>1.0-SNAPSHOT</version>
         <scope>import</scope>
         <type>pom</type>

spring-tutorial-bom/pom.xml spring-tutorial-boms/pom.xmlspring-tutorial-bom/pom.xml renamed to spring-tutorial-boms/pom.xml

@@ -9,7 +9,7 @@
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <packaging>pom</packaging>
-  <artifactId>spring-tutorial-bom</artifactId>
+  <artifactId>spring-tutorial-boms</artifactId>
 
   <name>Spring Framework Tutorial Bill of Materials</name>
   <description>Bill of materials for entire Spring-Framework Tutorials</description>
@@ -21,9 +21,9 @@
 
   <properties>
     <!-- JDK Version -->
-    <maven.compiler.target>1.8</maven.compiler.target>
-    <maven.compiler.source>1.8</maven.compiler.source>
-    <java.version>1.8</java.version>
+    <maven.compiler.target>11</maven.compiler.target>
+    <maven.compiler.source>11</maven.compiler.source>
+    <java.version>11</java.version>
 
     <!-- Spring.boot version -->
     <spring.boot.version>2.2.2.RELEASE</spring.boot.version>