🤖 OpenAI Client · Java + Spring Boot

This project is a secure, production-ready integration with the OpenAI API, built using Java 21 and Spring Boot. It provides a clean and extensible service for interacting with ChatGPT models via HTTP.

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🚀 Features

• 🔐 Encrypted API key support via Jasypt
• 📡 Connects to OpenAI Chat Completion endpoint
• 🧪 Integration test to verify external API connectivity
• 🧰 Configuration via application.properties
• ✅ CI-ready with GitHub Actions

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⚙️ Requirements

• Java 21
• Maven 3.8+
• OpenAI API Key (use environment secret or Jasypt)

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🔧 Configuration

All sensitive configuration is encrypted using Jasypt.

🔐 Required properties:

openai.api.url=https://api.openai.com/v1/chat/completions
openai.api.model=gpt-3.5-turbo
openai.api.key=ENC(ENCRYPTED_KEY_HERE)
jasypt.encryptor.algorithm=PBEWithMD5AndTripleDES

The Jasypt password must be provided via:

• VM Option:

  -Djasypt.encryptor.password=your-secret
  

• Or GitHub Actions secret: JASYPT_PASSWORD

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▶️ Usage

Inject the service:

@Autowired
private OpenAiService openAiService;

String reply = openAiService.chat("Hello, how are you?");
System.out.println(reply);

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🧪 Integration Test

A test class (OpenAiApiConnectivityTest) ensures that the application can reach OpenAI and receive a valid response.

Run it with:

mvn test -Djasypt.encryptor.password=your-secret

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⚙️ GitHub Actions CI

This project includes a GitHub Actions workflow that:

• Builds and tests your app on push/pull requests
• Uses secrets to pass the Jasypt password securely

Secrets required:

Name	Description
JASYPT_PASSWORD	Password to decrypt your API key

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📁 Project structure

src
├── main
│   └── java/org/abosk/openaiclient
│       ├── config
│       ├── service
│       └── controller
├── test
│   └── java/org/abosk/openaiclient/integration
└── resources
    └── application.properties

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📄 License

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

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👨‍💻 Author

Arnau Bosch 🔗 LinkedIn 🐙 GitHub