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quiz-game-part-08.md

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Quiz Game - Part 08

From now on, we will use SpringBoot and leave behind JEE Containers like WildFly. The goal now is to adapt your code written so far into SpringBoot.

Start a new Maven project. In the pom.xml file, you need the following BOM in your <dependencyManagement>:

org.springframework.boot:spring-boot-starter-parent

Among your dependencies, you should have:

  • org.joinfaces:jsf-spring-boot-starter
  • org.springframework.boot:spring-boot-starter-web
  • org.springframework.boot:spring-boot-starter-data-jpa
  • org.springframework.boot:spring-boot-starter-validation
  • org.springframework.boot:spring-boot-starter-test
  • org.junit.jupiter:junit-jupiter-engine
  • com.h2database:h2

For each dependency, choose the appropriate version and scope. In particular, make sure that h2 is in test scope.

Move over into this project the entities you wrote so far, i.e., Category, SubCategory and Quiz. Those should not really need any adaptation.

Move over the EJB classes, and change their names to remove references to EJB, e.g., into CategoryService, QuizService and DefaultDataInitializerService. These classes need to be adapted, as using Spring beans instead of EJB annotations. Also move over and adapt all of their existing Arquillian tests. You can skip the old tests working directly on the entities by manual transactions.

Move over all the existing controllers and Web files. Those will need some minor changes in the path links, as here in SpringBoot we do not use a default prefix in the URLs, and the default redirection for the root "/" is not setup yet.

Create an Application class in the src/main/java folder which will be your entry point for the quiz game. Annotate such class with @SpringBootApplication. Starting it directly should fail, as h2 is in test scope. The main class should represent the "production" configuration, but we have not seen yet the connections with real, non-Docker databases. We will go back to this point when doing deployments on cloud providers.

Under the src/test/java folder, create a class named LocalApplicationRunner with a main method that does start the application in Application. Starting such class from an IDE should work, as should use the test classpath, which contains h2. Once started, you should be able to access the game at:

localhost:8080/index.xhtml

Solutions to this exercise can be found in the intro/exercise-solutions/quiz-game/part-08 module.