Architecture

Application Architecture

Figure:Layered Architecture Diagram

Presentation Layer

• • Implemented by:

    • Spring MVC

    • JSP/Servlet

    • Spring MVC Tags

  • Implements View and Navigation Logics

  • Uses @Controller annotation

Business Layer

• • Implemented by Service classes

  • Service classes are defined by @Service

  • Service classes handles transactions

  • Transactions are handled by Spring AOP

Data Access Layer

• • Uses Spring DAO for generic exception conversion DataAccessException

  • @Repository annotation is used to implement DAO objects

  • Uses Spring ORM to integrate Hibernate

  • Hibernate to implement Data Access Objects

Integration Layer

• • Beans are used to integrate Java Mail