Chat Application

This is a real-time chat application built with Spring Boot and WebSocket.

Features

• Real-time messaging between users.
• User connect and disconnect notifications.
• Simple and intuitive user interface.

Technologies Used

• Backend:
  • Java 21
  • Spring Boot 3
  • Spring WebSocket for real-time communication
  • Spring Data JPA for database interaction
  • H2 Database for in-memory data storage
  • Maven for dependency management
• Frontend:
  • Thymeleaf for server-side templating
  • HTML5, CSS3, JavaScript
  • StompJS for WebSocket communication

How to Run

1. Prerequisites:

   • Java 21 or later
   • Maven 3.2+

2. Clone the repository:

   git clone https://github.com/codingwitharmand/chat-app.git

3. Navigate to the project directory:

   cd chat-app

4. Run the application using Maven:

   ./mvnw spring-boot:run

5. Access the application: Open your web browser and go to http://localhost:8080

Project Structure

.
├── src
│   ├── main
│   │   ├── java
│   │   │   └── com
│   │   │       └── cwa
│   │   │           └── chatapp
│   │   │               ├── config
│   │   │               │   ├── WebSocketConfig.java
│   │   │               │   └── WebSocketEventListener.java
│   │   │               ├── controller
│   │   │               │   ├── ApiController.java
│   │   │               │   ├── ChatController.java
│   │   │               │   └── WebController.java
│   │   │               ├── entity
│   │   │               │   ├── Message.java
│   │   │               │   └── User.java
│   │   │               ├── repository
│   │   │               │   ├── MessageRepository.java
│   │   │               │   └── UserRepository.java
│   │   │               └── service
│   │   │                   ├── MessageService.java
│   │   │                   └── UserService.java
│   │   └── resources
│   │       ├── static
│   │       │   ├── css
│   │       │   │   └── chat.css
│   │       │   └── js
│   │       │       └── chat.js
│   │       └── templates
│   │           ├── chat.html
│   │           └── index.html
│   └── test
└── pom.xml