Sample Java HTTP Server

Sample Java HTTP server demonstrating basic web server functionality using com.sun.net.httpserver.HttpServer. This sample project showcases creating a lightweight HTTP server with multiple endpoint handlers.

🚀 Getting Started

Prerequisites

• Java Development Kit (JDK) 8 or higher
• Basic understanding of Java and HTTP concepts

Open Using Daytona

1. Install Daytona: Follow the Daytona installation guide.
2. Create the Workspace:

daytona create https://github.com/mhmohona/java-hello-world.git

Running the Application

1. Compile the Java files:

javac HelloWorldServer.java

2. Run the server:

java HelloWorldServer

3. The server will start on http://localhost:8080/

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✨ Features

• Multiple Endpoint Handlers
  • Root / handler with customizable message
  • /api endpoint supporting GET and POST requests
  • Graceful server shutdown handling

Endpoints

1. Root Endpoint (/)

   • Supports optional query parameter message
   • Default response: "Hello, World!"
   • Example: http://localhost:8080/?message=CustomGreeting

2. API Endpoint (/api)

   • Supports GET and POST methods
   • GET returns a simple JSON message
   • POST echoes the request body in the response

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🛠 Technical Details

• Uses com.sun.net.httpserver.HttpServer for HTTP handling
• Implements thread pooling with Executors.newFixedThreadPool()
• Includes error handling and logging
• Supports basic request routing

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📦 Project Structure

• HelloWorldServer.java: Main server implementation
• Nested classes:
  • HelloWorldHandler: Handles root endpoint
  • ApiHandler: Handles API endpoint requests

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🔒 License

This project is open-source and available under the MIT License.