Real-Time Chat Application with WebSocket and Grouping

Overview

This project is a real-time chat application that allows users to join different chat groups and exchange messages dynamically. It utilizes Spring Boot, WebSocket (STOMP, SockJS) for real-time communication, MongoDB for storing groups, and a React or JSP frontend integrated with Bootstrap.

Features

• Group-Based Chatting: Users can join different chat rooms dynamically.
• Real-Time Messaging: Messages are instantly delivered using WebSocket with STOMP.
• Spring Boot Backend: Handles WebSocket connections and group management.
• MongoDB Integration: Stores group names persistently.
• Bootstrap UI: Simple and responsive frontend.

Technologies Used

• Backend: Spring Boot, Spring WebSocket, STOMP, SockJS, MongoDB
• Frontend: HTML, JavaScript, Bootstrap, SockJS, STOMP.js
• Database: MongoDB (Atlas or Local)
• Build Tool: Maven

Project Structure

Chat-Application-Grouping/
│── src/
│   ├── main/
│   │   ├── java/com/Project/chat_app/
│   │   │   ├── controller/
│   │   │   │   ├── ChatController.java
│   │   │   │   ├── GroupController.java
│   │   │   ├── model/
│   │   │   │   ├── ChatMessage.java
│   │   │   │   ├── Group.java
│   │   │   ├── repository/
│   │   │   │   ├── GroupRepository.java
│   │   │   ├── service/
│   │   │   │   ├── GroupService.java
│   │   │   ├── config/
│   │   │   │   ├── WebSocketConfig.java
│   ├── resources/
│   │   ├── static/js/
│   │   │   ├── chat.js
│   │   ├── templates/
│   │   │   ├── chat.html
│── pom.xml
│── README.md

Setup Instructions

1. Clone the Repository

git clone https://github.com/your-repo/chat-app.git
cd chat-app

2. Configure MongoDB

Make sure MongoDB is running and update application.properties:

3. Build and Run the Application

mvn spring-boot:run

4. Open the Chat UI

Go to:

http://localhost:8080/chat

API Endpoints

Endpoint	Method	Description
/chat	GET	Returns the chat page
/ws	WS	WebSocket connection
/app/sendMessage/{group}	POST	Sends a message to a specific group

Future Enhancements

• User authentication and login
• Private messaging between users
• Message history storage

Contributing

Feel free to open an issue or submit a pull request if you'd like to contribute!