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OpenAPI Forge - Java

This repository is the Java generator for the OpenAPI Forge, see that repository for usage instructions.

Configuration

OpenAPI Forge is opinionated in its approach, we don't provide a vast range of configuration options, just the essentials! You can list the generator-specific configuration options by running the generate-options command as follows:

% openapi-forge generator-options openapi-forge-java
This generator has a number of additional options which can be supplied when executing the 'forge' command.

Options:
  --generator.package <value>  The package for the generated classes.

Development

Running

To run this generator, you also need to have OpenAPI Forge installed, or the repository checked out. Assuming you have it installed as a global module, you can run this generator as follows:

$ openapi-forge forge
 \ https://petstore3.swagger.io/api/v3/openapi.json
 \ .
 \ -o api

This generates an API from the Pet Store swagger definition, using the generator within the current folder (.), outputting the results to the api folder.

Afterwards, by modiyfing the Application.java in the generated api project, we can fetch every available pet and print them into stdout.

import java.util.List;
import java.util.stream.Collectors;
import okhttp3.OkHttpClient;

// ..
public CommandLineRunner commandLineRunner(ApplicationContext ctx) {
  return args -> {
    Configuration configuration = new Configuration();
    configuration.basePath = "https://petstore3.swagger.io";
    OkHttpClient client = new OkHttpClient();
    ApiClientPet apiClientPet = new ApiClientPet(client, configuration);
    HttpResponse<List<Pet>> pets = apiClientPet.findPetsByStatus("available");
    System.out.println(pets.data.stream().map(x -> x.getName()).collect(Collectors.toList()));
  };
}
// ..

Testing

The standard test script is used to execute the BDD-style tests against this generator.

npm run test

The script expects that the openapi-forge project (which is where the BDD feature files are located) is checked out at the same folder-level as this project. In-depth documentation can be found at features/README.md.

Linting

Two scripts are available to help you find linting errors:

npm run lint:check:all

This runs eslint in check mode which will raise errors found but not try and fix them. This is also ran on a PR and a push to main. It will fail if any errors were found.

npm run lint:write:all

This runs eslint in write mode which will raise errors found and try to fix them.