JavaEE POS System

Introduction

This project is designed to maintain a proper layered architecture for a web application using Jakarta EE, MySQL, and AJAX. The goal is to ensure a clean separation of concerns, enhancing maintainability, scalability, and testability.

Tech Stack

• Backend Framework: Jakarta EE

• Database: MySQL

• Client-side Communication: AJAX

• Database Configuration: JNDI

• Logging: slf4j,logback

Architecture Overview

The application follows a layered architecture comprising the following layers:

1. Presentation Layer: Manages the user interface and client-side interactions.

2. Business Logic Layer: Contains the core functionality and business rules.

3. Data Access Layer: Handles direct interactions with the database.

Setup and Configuration

Prerequisites

• JDK 21
• Jakarta EE compatible application server (e.g., Tomcat,WildFly, GlassFish)
• MySQL server
• Maven

Clone the repository:

  git clone https://github.com/sasmithx/JavaEE-POS.git

Database Configuration

1.Create a MySQL database.

2.Configure JNDI for database connectivity:

• Define a JNDI resource in your application server's configuration.

• Example configuration for Tomcat:

Logging

• DEBUG: Fine-grained information for debugging.
• INFO: General information about application progress.
• WARN: Potentially harmful situations.
• ERROR: Error events that might still allow the application to continue running.

API Documentation

To view this project API Documentation

  https://documenter.getpostman.com/view/35385442/2sA3s1nX8W

Refer to the Postman API Documentation for detailed API endpoints and usage instructions.

License

This project is licensed under the MIT License - see the MIT License file for details.

© 2024 Sasmith Manawadu