JAIG is a Java AI-powered Code Generator.

JAIG is based on the OpenAI GPT models used for the code generation.

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Detailed JAIG video presentation

JAIG Features slides

JAIG Brief Reference slides

JAIG Main ideas

• Generate a code in IntelliJ IDEA
• Include the necessary source files to the AI request
• Parse the generated Java code and sort into folders within src/main/java directory
• Configure GPT temperature, model name, etc. globally and for every request
• Merge the code changes with AI updates
• Prompt templates (placeholders + to be filled from requirements yaml file; support for Velocity engine for complicated cases)
• Prompt pipelines (running a sequence of prompts)
• Rollbacks (possibility to restore the state before AI generated code was applied)
• Refactoring (possibility to update the existing code based on AI-generated response in a dialog mode)

First, you need to take JAIG folder (with JAIG.jar and JAIG.yaml files) and copy it to your project.

Then, you need to specify your openAIApiKey in the JAIG.yaml file.

Then, install JAIG into IDEA as described below.

The detailed installation instructions are provided in Installation Guide

To install JAIG into IntelliJ IDEA, you need to:

1. Open Settings, find External Tools, click + to add
2. Specify the settings:

      Name: JAIG
      Program: java
      Arguments: -jar JAIG/JAIG.jar $FilePathRelativeToProjectRoot$ $SelectionStartLine$ $SelectionEndLine$ $SelectionEndColumn$
      Working directory: $ProjectFileDir$

To add an icon (button) for conveniently calling JAIG, you need:

1. Switch IDEA to the new interface by selecting the Enable new UI checkbox in the settings
2. Right-click on the IDEA top bar, select Customize Toolbar...
3. Select the Left section, click +, select Add Action...
4. Select JAIG in the list, and select Enable New UI as the icon at the bottom
5. Close windows with the OK button

As a result, a button for launching JAIG should appear in the top bar.

To use JAIG, you need to:

1. Create a folder which will contain JAIG artifacts (prompt, request, response, etc.)
2. Create a prompt file in this folder with .txt extension (example: prompt.txt)
3. Describe a prompt in the file (ex: Generate Java application which prints "Hey from AI!")
4. Click the JAIG button when editor is open
5. Wait for the generation to complete

JAIG will generate file prompt_name-response.txt which contains a response from GPT model.

JAIG is released under the MIT License.