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Demo example that involves following technologies.

  1. Spring
  2. Hibernate
  3. HSQLDB
  4. Maven
  5. Hazelcast
  6. Simple Logging Facade for Java(SL4J)

To execute run following. $ mvn clean

$ mvn tomcat7:run -Duser=sa -Dpassword=""

You can mvn test as well $ mvn test -Duser=sa -Dpassword=""

You can use browser to get (not post) results. http://localhost:8080/assignment/users (user = guest ; password = guest )

It should return 3 entries, unless you have modified SQL scripts, or used POST to add / delete users.

For complete testing, use some REST Client like -> "Advanced REST Client", or Postman, or similar.

I have also added UserControllerTest, UserServiceTest and UserDAOTest to perform junit testing.

This is a Maven project to implement a simple Spring based web application with a controller exposing the following 4 APIs • GET /user • POST /user • PUT /user • DELETE /user Those APIs will perform CRUD operations using Hibernate as persistence framework on a User entity with at minimum the following fields: • id (long) / primary key • username (String) / unique • password • status (String) / possible values: Activated/Deactivated These 4 APIs are secured with Spring Security using BASIC authentication. There are unit tests for controllers, services and DAO classes.

Package structure Following is the project structure: Package Description • com.uxpsystems.assignement.config package for web application configuration classes • com.uxpsystems.assignement.controller package for Spring controller classes • com.uxpsystems.assignement.service package for service classes • com.uxpsystems.assignement.dao package for DAO classes

Spring Annotation and Hibernate Annotation has been used here.

For simplicity, have used in-memory DB - HSQLDB.

As runtime, have used embedded Tomcat.

Logging: - Spring is using by default Jakarta Commons Logging, but in this project I have used Simple Logging Facade for Java (SLF4J). I removed the commons-logging by putting it in exclusions in pom.xml, and added dependencies for SLF4J.

Additional things done.

  1. Configured hibernate to use Hazelcast as second level cache.
  2. Developed a Secure service layer methods