Upgraded to Java 17, Spring Boot 3, Added PostgreSQL database and Symmetric key encryption

pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.4.2</version>
+		<version>3.2.5</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.kriscfoster</groupId>
@@ -14,7 +14,7 @@
 	<name>school</name>
 	<description>Demo project for Spring Boot</description>
 	<properties>
-		<java.version>11</java.version>
+		<java.version>17</java.version>
 	</properties>
 	<dependencies>
 		<dependency>
@@ -26,16 +26,27 @@
 			<artifactId>spring-boot-starter-web</artifactId>
 		</dependency>
 
+<!--		<dependency>-->
+<!--			<groupId>org.springframework.boot</groupId>-->
+<!--			<artifactId>spring-boot-devtools</artifactId>-->
+<!--			<scope>runtime</scope>-->
+<!--			<optional>true</optional>-->
+<!--		</dependency>-->
 		<dependency>
-			<groupId>com.h2database</groupId>
-			<artifactId>h2</artifactId>
+			<groupId>org.postgresql</groupId>
+			<artifactId>postgresql</artifactId>
+			<scope>runtime</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-test</artifactId>
 			<scope>test</scope>
 		</dependency>
-	</dependencies>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-params</artifactId>
+        </dependency>
+    </dependencies>
 
 	<build>
 		<plugins>

src/main/java/com/kriscfoster/school/WebConfiguration.java

@@ -1,16 +1,16 @@
 package com.kriscfoster.school;
 
-import org.h2.server.web.WebServlet;
+//import org.h2.server.web.WebServlet;
 import org.springframework.boot.web.servlet.ServletRegistrationBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
 @Configuration
 public class WebConfiguration {
-    @Bean
-    ServletRegistrationBean h2ServletRegistration() {
-        ServletRegistrationBean registrationBean = new ServletRegistrationBean( new WebServlet());
-        registrationBean.addUrlMappings("/console/*");
-        return registrationBean;
-    }
+//    @Bean
+//    ServletRegistrationBean h2ServletRegistration() {
+//        ServletRegistrationBean registrationBean = new ServletRegistrationBean( new WebServlet());
+//        registrationBean.addUrlMappings("/console/*");
+//        return registrationBean;
+//    }
 }

src/main/java/com/kriscfoster/school/student/Student.java

@@ -2,8 +2,9 @@
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.kriscfoster.school.subject.Subject;
+import jakarta.persistence.*;
+import org.hibernate.annotations.ColumnTransformer;
 
-import javax.persistence.*;
 import java.util.HashSet;
 import java.util.Set;
 
@@ -14,6 +15,13 @@ public class Student {
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     Long id;
 
+    private static final String symkey = "secret-key-12345";
+
+    @Column(name = "name", columnDefinition = "bytea")
+    @ColumnTransformer(
+            read = "PGP_SYM_DECRYPT(name,'"+symkey+"')",
+            write = "PGP_SYM_ENCRYPT (?, '"+symkey+"')"
+    )
     private String name;
 
     @JsonIgnore

src/main/java/com/kriscfoster/school/subject/Subject.java

@@ -2,8 +2,9 @@
 
 import com.kriscfoster.school.student.Student;
 import com.kriscfoster.school.teacher.Teacher;
+import jakarta.persistence.*;
+import org.hibernate.annotations.ColumnTransformer;
 
-import javax.persistence.*;
 import java.util.HashSet;
 import java.util.Set;
 
@@ -14,6 +15,13 @@ public class Subject {
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     Long id;
 
+    private static final String symkey = "secret-key-12345";
+
+    @Column(name = "name", columnDefinition = "bytea")
+    @ColumnTransformer(
+            read = "PGP_SYM_DECRYPT(name,'"+symkey+"')",
+            write = "PGP_SYM_ENCRYPT (?, '"+symkey+"')"
+    )
     private String name;
 
     @ManyToMany

src/main/java/com/kriscfoster/school/teacher/Teacher.java

@@ -2,8 +2,9 @@
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.kriscfoster.school.subject.Subject;
+import jakarta.persistence.*;
+import org.hibernate.annotations.ColumnTransformer;
 
-import javax.persistence.*;
 import java.util.Set;
 
 @Entity
@@ -17,6 +18,13 @@ public class Teacher {
     @OneToMany(mappedBy = "teacher")
     private Set<Subject> subjects;
 
+    private static final String symkey = "secret-key-12345";
+
+    @Column(name = "name", columnDefinition = "bytea")
+    @ColumnTransformer(
+            read = "PGP_SYM_DECRYPT(name,'"+symkey+"')",
+            write = "PGP_SYM_ENCRYPT (?, '"+symkey+"')"
+    )
     private String name;
 
     public Long getId() {

src/main/resources/application.properties

@@ -1,3 +1,13 @@
-spring.h2.console.enabled=true
-spring.datasource.url=jdbc:h2:mem:testdb
-# h2 console is available at http://localhost:8080/console
+spring.datasource.url=jdbc:postgresql://localhost:5436/student
+spring.datasource.username=postgres
+spring.datasource.password=postgres
+spring.jpa.hibernate.ddl-auto=update
+spring.jpa.show-sql=true
+spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.PostgreSQLDialect
+spring.jpa.properties.hibernate.format_sql=true
+
+server.error.include-message=always
+
+app.name=DemoApp
+
+key=mykey