GithubActionsServlet.java

public class GithubActionsServlet extends HttpServlet {

    @Inject
    AssistantActions assistantActions;

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        //Configure and inject dependencies
        DaggerGithubActionsComponent.builder()
                .assistantModule(new AssistantModule(response))
                .build()
                .inject(this);

        //Handle call from Google Assistant
        assistantActions.handleRequest(parseActionRequest(request));
    }

    private RootRequest parseActionRequest(HttpServletRequest request) throws IOException {
        JsonReader jsonReader = new JsonReader(request.getReader());
        return new Gson().fromJson(jsonReader, RootRequest.class);
    }
}