I have written my own extension of the BasicJavaGenerator (see below) to override the package names, and can successfully generate the client library files. 描述一个Model的信息(这种一般用在post创建的时候,使用@RequestBody这样的场景,请求参数无法使用@ApiImplicitParam注解进行描述的时候) @ApiModel(value = "用户实体类"). For use with Swagger-Codegen. java package and generates classes to the org. Also, some generators (like ASP. The above can be done during maven build during swagger maven plugin. In this tutorial we have seen how Swagger helps to develop a robust RESTful API while at the same. 0 specification and you can generate a client library for each programming language. Note: If you have problems using the Swagger Editor, look at this blog. 前后端分离的时候,需要建立契约,Swagger可达到该目的(略)。 建立Rest接口后,通过swagger-codegen项目可以自动生成对应的客户端代码(c++、php、java、js、node等等), 关于swagger-cod. 0 specifications. It must be launched by the Java 7 or Java 8 runtime. It was a huge win for simplifying server to mobile integration issues. /api -c swagger-config. The Code Generator tool consists of a command line version and an Ant Task. The default package name of the generated code is "swagger_client" and I would like to customize it. While consuming SOAP services we usually. Swagger is an open source software to build standard documentation in a human readable format for REST APIs. 3及以上; Scala 2. Generating code using swagger-codegen is an easy way to get your client up and running using different languages and libraries. So lets talk about swagger integration to the JAX-RS API. Among the files generated by Swagger-Codegen for Python is a subdirectory python_sdk/swagger_client which contains all the Python class definitions we need to make Python function calls to the Looker API. xml to generate client automatically:. NET Core web API help pages with Swagger / OpenAPI. 0 API Definition to OpenAPI 3. Generating the documentation. The article is really clear on how to use swagger, and I would suggest you read it first before going through this. The syntax inside the file stays the same. swagger » swagger-codegen-maven-plugin Swagger Codegen (maven Plugin) maven plugin to build modules from swagger codegen License: Apache 2. urls import url from rest_framework_swagger. from django. jar from Maven Central or visit this site. Generating client libraries using swagger-codegen. Swagger's tooling includes the Swagger Editor, Swagger CodeGen, Swagger UI, and Swagger Inspector. When consuming a Web API, understanding its various methods can be challenging for a developer. Swagger Codegen scans the annotations and creates a. The article is really clear on how to use swagger, and I would suggest you read it first before going through this. You can call this from the command line and upload the static HTML files. At the end of July, the OpenAPI Specification 3. In this tutorial I'll walk you through building a working Swift 3 App and a working NodeJS Service. We have used the latest release of Spring Boot 2+ in all examples. Is it feasible to plug-in custom serializer/de-serializer for specific "model objects"/"data types" [Ex: java. /api -c swagger-config. Swagger Codegen で自動生成したクライアントSDKを使う(iOS編) REST API 実装 - techium にて grape-swagger で作成した JSON 定義を元に Swagger UI で Web API 仕様書を作成したが、Swagger の定義ファイルを使ってクライアント(iOS, …. Swagger is a popular API for documenting your RESTful Web APIs. Swagger example with JAVA, Spring, Apache CXF and Jackson As I try to build more and more SDN applications on top of OpenDaylight and other SDN Controllers, there was a common need to give REST NBI document to other users to consume the REST API’s of my newly built apps. You can use Swagger Codegen easily via CLI, Maven, as well as other ways. ApiOperation Which describes an operation or typically a HTTP method against a specific path. Many API resorts to a human-readable documentation, which is manually edited and thus hard to keep perfectly synchronized with the API. swagger documentation: swagger-ui with jersey REST WS. In other words, Swagger's objective is to be a complete framework for describing, producing, consuming, and visualizing RESTful web services for developers to fully program clients calling them. This is a basic code snippet that we can include in our project's pom. However, I do miss creating swagger/openapi specs first to document the requirements and then generating server-side stubs. A swagger-codegen Maven plugin that can be configured easily in your pom. This is an online swagger codegen server. js, PHP, Ruby and Java applications to injectable code payloads. For descriptive API-driven development, the swagger-core project supports interacting with OpenAPI from Java. Swagger Codegen is an Open Source project and Public API that can generate customizable SDKs from the Swagger 2. In this article, we will see how to integrate Swagger 2 with Spring Boot to generate a simple api documentation. Tutorial: Host a RESTful API with CORS in Azure App Service. The syntax inside the file stays the same. json) and a config json file—to alter default behavior/paths in generated code and batch files with a script that generates the code in a specific language. 0 specification and you can generate a client library for each programming language. yaml files available. Developing APIs with OAS and Swagger Codegen. Recently we started using Swagger to improve the development of our APIs. swagger-codegen. Swagger codegen tutorial example; Swagger - Spring REST Example; Search Tutorials. It generates DAO class in Java, based on the Table Schema structure. You just have to provide a couple of information for the generator and voila, you have the stubs. As covered in the Tutorial 2: Coding a Swagger CodeGen Project topic, all required components can be combined—including swagger specification files (metadata. Every city had its own time calculation, which meant that there were over 300 different time zones across the country. swagger-codegen-cli swagger-codegen (executable) swagger-codegen contains a template-driven engine to generate documentation, API clients and server stubs in different languages by parsing your OpenAPI / Swagger definition. By default, Swagger-Core will only include and introspect only classes that are annotated with @Api and will ignore other resources; @io. If you continue to use this site we will assume that you are happy with it. It provides a user interface to access our RESTful web services via the web browser. There are several tools like Azure AutoRest , Swagger Codegen , Swagger. IntroductionLet's say you have an advanced backend system, for which you wish to develop a modern Angular frontend, or, perhaps it's not your backend, but something public like Facebook, and you want to develop a site using some of its exposed APIs. Client-side scaffolding tool that includes support for languages such as TypeScript Angular, TypeScript Node, JavaScript, Python, HTML, Java, and C#. Python Client as generated from swagger. Using the Swagger UI you can visualize and test RESTful services defined by the Swagger specification. In addition, App Service has built-in support for Cross-Origin Resource Sharing (CORS) for RESTful APIs. 1" } Using legacy plugin application: buildscript { repositories { maven { url. The question - How do I generate a Java source for a controller from the REST API doc (Swagger)? - is not well worded. I know how to do documentation with Swagger, also I know how to generate a simple REST Server with Swagger, but I d. Name Email Dev Id Roles Organization; Tony Tam: fehguygmail. Swagger Codegen is an open source project that allows client libraries and server stubs to be generated from a Swagger-based API definition. io which can be used to generate API client library from swagger. Spring and Swagger. Another option, for those familiar with the Swagger Codegen framework, is to build a custom Swagger Codegen (SCG) module in a Java project within the RepreZen API Studio workspace. By default, the path to java. js, MongoDB, Fastify and Swagger. ) Ignore file. Compatibility. The above can be done during maven build during swagger maven plugin. Creating a RESTful Web Service From Maven Archetype. The javascript, html, php, ruby and java clients were tested for parameter injection vulnerabilities, and given in example as follows. Primitive data types in the Swagger Specification are based on the types supported by the JSON-Schema Draft 4. swagger-codegen 是用Scala语言开发的,首先需要下载一些必要的软件:. The interfaces contain the JAX-RS annotations – Java jar file with the resource implementation, each class extends the interface Seems that apiDiscovery is not able to detect the resources. Part 1 starts with an overview and introduces you to OpenAPI, also known as Swagger. Spring and Swagger. For the tutorial, we will use the Springfox implementation of the Swagger 2 specification. [ Learn Java from beginning concepts to advanced design patterns in this comprehensive 12-part course!] In this two-part article you'll learn how to put Java APIs at the heart of your design and development process, from concept to coding. This is Kubernetes API python client code. String' to required type 'java. What is Swagger ? Swagger is set of open source tools that helps with creating documentation for your REST services. Using Swagger Codegen. jar" to save typing. Download the required JAR file swagger-codegen-cli-. In this article, we'll dive into the Swagger framework. The toolkit is highly customizable and allows endless possibilities to work with OpenAPI2. -allowElementReferences<=true>. A lack of the Java generator is that the generated Jersey server stub does not include a client, and the. swagger-codegen 是用Scala语言开发的,首先需要下载一些必要的软件:. swagger:swagger-codegen is a simple yet powerful representation of your RESTful API. Generating code using swagger-codegen is an easy way to get your client up and running using different languages and libraries. This seems more like, "issues with how Swagger is used in Java". Make sure you are using the version 2. In other words, Swagger's objective is to be a complete framework for describing, producing, consuming, and visualizing RESTful web services for developers to fully program clients calling them. Tooling support was not something that should prevent us from using the model we are really willing to use. Swagger: Make Developers Love Working With Your REST API our JAX-RS services will be available under /rest/*context path while Swagger UI is available under /swagger java-jar target / jax. • Built using Java language with JADE (Java Agent Development Environment) and Jason (Jason is an interpreter for an extended version of Agent Speak). Signup or login today. This tutorial shows you how to generate Java client using REST API and to manage Oracle Event Hub Cloud Service - Topics using this generated Java client. Last Updated on Wednesday, September 18, 2019 - 23:05 by Ted Epstein. In other language paradigms, I haven't faced this issue. Swagger is _just_ documentation, and a nice front-end on top. The high-level steps are:. js app built on Express. When consuming a Web API, understanding its various methods can be challenging for a developer. The main usage of this tool is to check if Java lost the Java code. This provides a UI to easily understand service contract and consumer can interact with service without any detailed knowledge of underlying logic. io or on irc. At the end of July, the OpenAPI Specification 3. Developing APIs with OAS and Swagger Codegen. swagger-codegen. Make sure you are using the version 2. Check everything is ready to go. The j8-async template is a modified version of it with the following changes: Added tag to response to use Spring's async servlet feature. Homebrew's package index. The GraphQL Java tutorial by @kaqqao is unfortunately outdated and also uses some third party libraries on top of GraphQL Java, without making it clear that it is actually not GraphQL Java itself. jar" to save typing. -allowElementReferences<=true>. Download the YAML to a convenient location on your system. Swagger Codegen Generates a Software Development Kit (SDK) in various languages, including Java™, Objective-C, PHP, and Python, from a Swagger document for a REST API. In this article, we'll dive into the Swagger framework. また、Spring Bootプロジェクトを作成し、そこで生成されたクラスを使用します。. About Swagger. The GraphQL Java tutorial by @kaqqao is unfortunately outdated and also uses some third party libraries on top of GraphQL Java, without making it clear that it is actually not GraphQL Java itself. Kubernetes provide swagger-spec to generate client code for different versions. This provides a UI to easily understand service contract and consumer can interact with service without any detailed knowledge of underlying logic. Swagger supports a multitude of code languages, including Javascript, Haskell, Java, Python, and C#. This article presents a discussion on how we can use Swagger to document our Web APIs easily. Learn More. To get hands-on, you can download the codegen from the official website. ), so we recommend using our API reference docs over what Swagger displays. However, it's not entirely obvious from looking at Swagger documentation how one should go about generating and using a client library. It takes any standard Web API project and can generate amazing looking (And functioning) docs without a user having to write a single additional line of documentation. APIMatic CodeGen as a Service APIMatic's Code-Gen as a Service is a highly customizable Code-Gen-Engine, which simplifies API consumption by generating high quality SDKs, code samples, dynamic docs and test cases using API descriptions. AngularJS Tutorials; Core Java; Hello World; IP Location Details; Java 8; Java Collections; Java Design Pattern Tutorial; Java Programming Interview Questions; jQuery; Scala Tutorial; Recent Comments. The Swagger framework is packaged with the Swagger code generation tool as well (swagger-codegen-cli), which allows you to generate client libraries by parsing the Swagger documentation file. com/swagger-api/swagger-codegen or on irc. In order to generate the Swagger documentation, swagger-core offers a set of annotations to declare and manipulate the output. Tutorial - Converting your Swagger 2. If you want to contribute to make it better, please click on the "Edit" button to update the documentation. Swagger is a popular API for documenting your RESTful Web APIs. This section outlines how to use code generation to create an Ed-Fi ODS / API Client SDK using a Windows environment targeting C#. Swagger and Apex As mentioned before, the Swagger project provides a Java-based client code generator (codegen) for several programming languages. Swagger is an open source software to build standard documentation in a human readable format for REST APIs. An example based on the Django REST Tutorial ships with the project. This tutorial will introduce you to how Swagger Codegen can save you tons of time on both the front and backend when building an integrated app. However, it's not entirely obvious from looking at Swagger documentation how one should go about generating and using a client library. Swagger Codegen Tutorial Java. Tutorial , Properties Calculator for Loan and Mortgage Failed to convert value of type 'java. We will also add documentation to the REST API with swagger annotations. js, MongoDB, Fastify and Swagger. You can refer the following article …. Moreover, we ease the service consumption via client library generation. We use swagger-codegen with custom templates to generate a Scala client with internal finagle helpers and some specialized use cases. Generate from the command line, the IDE, or your CI/CD automated build platform. Introduction to Interface-Driven Development Using Swagger and Scalatra Like but you should be able to do this tutorial in any text editor. To get hands-on, you can download the codegen from the official website. If you have a few years of experience in the Java ecosystem, and you’re interested in sharing that experience with the community (and getting paid for your work of course), have a look at the “Write for Us” page. but changes above helped. In this way we can run the Swagger Codegen command. codegen" version "0. Although it might be replaced soon with OpenAPI 3. Generate code with Java 8’s inteface default instead of a plain class. The default Spring MVC template from Swagger codegen was a good start. 1" } Using legacy plugin application: buildscript { repositories { maven { url. The generated Java interface contains one method per operationId defined in the swagger spec annotated with corresponding HTTP method, request/response media type ,query parameters, header parameters, body parameters and form parameters. A lot of Java developers are used to the SOAP APIs of yesteryear, and thus try to create clients with Swagger when they should be using gRPC or Thrift. The amazing swagger community has built support for a number of server side technologies to automate generation of swagger resource listing. Moreover, you can do it directly within an sbt project. For generating Swagger 1. What is Swagger ? Swagger is set of open source tools that helps with creating documentation for your REST services. Following the shape of our first evaluator, make_js is a recursive function which receives an AST. You can browse and explore it interactively via the ArangoDB Webinterface. Installation and. Introducing the j8-async template in Swagger-codegen. As usual, using Swagger Editor or: java -jar swagger-codegen-cli. I know how to do documentation with Swagger, also I know how to generate a simple REST Server with Swagger, but I d. How to Generate a REST CXF3 Application from a Swagger-Contract Johannes Fiala, Developer. In our opinion, these are the pros and cons of Swagger Codegen: Pros:. Swagger removes the guesswork in calling the service. 0 specification, and it is a very new specification that is supposed to replace Swagger 2. Swagger Codegen is an Open Source project and Public API that can generate customizable SDKs from the Swagger 2. swagger-codegen. swagger-codegen does not support Java 8, so we have to fork it and customize it. Java 8 Tutorial; Core Java Tutorial; Collections in Java;. A lot of Java developers are used to the SOAP APIs of yesteryear, and thus try to create clients with Swagger when they should be using gRPC or Thrift. Last Updated on Wednesday, September 18, 2019 - 23:05 by Ted Epstein. Date] in Swagger codegen? Please point me to some examples/documentation for the same. Proper documentation and tooling to help them consume these APIs is crucial. You can refer the following article …. The main usage of this tool is to check if Java lost the Java code. Swagger's tooling includes the Swagger Editor, Swagger CodeGen, Swagger UI, and Swagger Inspector. The environment isn't so useful this time because we're not executing the AST; instead we transform it into the equivalent JavaScript code, and return it as a string. Just by using the swagger type as "number" and not specifying the format, worked and generated a BigDecimal. The Code Generator tool consists of a command line version and an Ant Task. Swagger Codegen. To enable the Swagger2 in Spring Boot application, you need to add the following dependencies in our build. Any such module will automatically be discovered and "wrapped" as a GenTemplate by RepreZen API Studio, and you can apply them to your Swagger models by creating. Corresponding java code: CodegenProperty. API Definition files can be used to create stubs in popular languages, like Java, Scala, and Ruby, with just a few clicks. As covered in the Tutorial 2: Coding a Swagger CodeGen Project topic, all required components can be combined—including swagger specification files (metadata. js, MongoDB, Fastify and Swagger. , the list could go on forever. net, #swagger. A top-down approach where you would use the Swagger Editor to create your Swagger definition and the use the integrated Swagger Codegen tools to generate server implementation. ApiOperation Which describes an operation or typically a HTTP method against a specific path. io which can be used to generate API client library from swagger. Tutorial "Swagger Generator Tutorial" was last updated: August 11, 2019: fixes #133 move the light-codegen reference doc to tool section (fe270fa) Improve this page. Also known as: [email protected] Generate clients, server stubs, and docs from an OpenAPI spec. Download the YAML to a convenient location on your system. Last Updated on Tuesday, October 22, 2019 - 11:39 by Ted Epstein. The amazing swagger community has built support for a number of server side technologies to automate generation of swagger resource listing. How to generate a REST CXF3 application from Swagger ApacheConEU 2016 Contribute to the projects • Swagger-Codegen • Java / JMustache • Swagger-UI. 0 is substantially different from 2. Swagger API Demo Swagger API youtube Swagger API java Swagger API Java Swagger API integration Swagger API Design Using the Editor on a local machine You can run and use the Swagger Editor on your. This tutorial shows how to deploy an ASP. Also known as: [email protected] Generate clients, server stubs, and docs from an OpenAPI spec. Codegen includes a Node. ) Ignore file. Choosing editor. The javascript, html, php, ruby and java clients were tested for parameter injection vulnerabilities, and given in example as follows. &nbs SOA Development, Modeling Tools, Internet of Things (IoT), Modeling, Web Services. 2 documents, you can use SwaggerFeature instead of Swagger2Feature (for CXF versions <= 3. json file in your preferred programming language. I have worked as a full-stack developer in the Knowledgebase Agent project, which is an AI application that is developed to make decisions with client requirements. Read tutorials, posts, and insights from top Swagger experts and developers for free. It must be launched by the Java 7 or Java 8 runtime. This article presents a discussion on how we can use Swagger to document our Web APIs easily. I'm learning about Swagger and how to generate REST Client using Swagger codegen. What is Swagger ? Swagger is set of open source tools that helps with creating documentation for your REST services. Join thousands of developers who use SwaggerHub to build and design great APIs. jar : swagger codegen « s « Jar File Download. It was a huge win for simplifying server to mobile integration issues. Creating a RESTful Web Service From Maven Archetype. I have written my own extension of the BasicJavaGenerator (see below) to override the package names, and can successfully generate the client library files. Skill Level: Intermediate This article introduces a generator that scaffolds a fully functional 12-factor compliant Node. In this article we only will talk about Top Down approach or API-first approach of development using Swagger. We wanted a code generator that is 1) easy to write, maintain and extend and that 2) produces readable code. ), so we recommend using our API reference docs over what Swagger displays. Generating the documentation. &nbs SOA Development, Modeling Tools, Internet of Things (IoT), Modeling, Web Services. The CXF Swagger2Feature allows you to generate Swagger 2. Now you’ve loaded the Swagger. This provides a UI to easily understand service contract and consumer can interact with service without any detailed knowledge of underlying logic. Also known as: [email protected] Generate clients, server stubs, and docs from an OpenAPI spec. The community is pretty active and it currently support a wide range of languages: Clojure, Go, JS, Java,. The maven plugin only generates the models. The following tutorial shows you how to integrate an OpenAPI specification document into Swagger UI. This code is generated by swagger-codegen. Fortunately, this is where Swagger Codegen comes into the picture as it's specifically doing code generation from a contract. Like the official swagger-codegen this project aims to generate Scala source code from Swagger 2. Note: If you have problems using the Swagger Editor, look at this blog. &nbs SOA Development, Modeling Tools, Internet of Things (IoT), Modeling, Web Services. The Swagger Codegen CLI and OpenAPI Generator are. A lot of Java developers are used to the SOAP APIs of yesteryear, and thus try to create clients with Swagger when they should be using gRPC or Thrift. next transpilation and more. The syntax inside the file stays the same. swagger-codegen-ignore is replaced by. Swagger code generator is a template-driven engine that allows you to generate interactive documentation, API clients and server stubs from Swagger definitions. You may also like to explore Spring Boot REST API Documentation with Swagger 2 and Documenting Spring REST API with Swagger 2 The Swagger specification is a powerful definition format to describe RESTful APIs. In other language paradigms, I haven't faced this issue. If you have a few years of experience in the Java ecosystem, and you're interested in sharing that experience with the community (and getting paid for your work of course), have a look at the "Write for Us" page. Installation and Setup. The generator is a Java program that is packaged within a jar file. Generate code with Java 8's inteface default instead of a plain class. This section outlines how to use code generation to create an Ed-Fi ODS / API Client SDK using a Windows environment targeting C#. Last Updated on Tuesday, October 22, 2019 - 11:39 by Ted Epstein. Next configure swagger-codegen-plugin to generate the API for The generated StocksAPI. SBT Swagger Code Generator Overview. OK, I Understand. The APIs will be used by other teams in our department. Generating a Java client from Swagger. Download the YAML to a convenient location on your system. Mermade Software is an independent consultancy focusing on web API technologies. swagger-codegen does not support Java 8, so we have to fork it and customize it. Codegen includes a Node. swagger-codegen 是用Scala语言开发的,首先需要下载一些必要的软件:. In this article, we'll dive into the Swagger framework. 0 was finally released by the Open API Initiative. The people who wrote swagger specification created support for a few (in bold below). ApiOperation Which describes an operation or typically a HTTP method against a specific path. The generated Java interface contains one method per operationId defined in the swagger spec annotated with corresponding HTTP method, request/response media type ,query parameters, header parameters, body parameters and form parameters. superclass for fault beans generated from wsdl:fault elements (defaults to java. 2 documents, you can use SwaggerFeature instead of Swagger2Feature (for CXF versions <= 3. Another option, for those familiar with the Swagger Codegen framework, is to build a custom Swagger Codegen (SCG) module in a Java project within the RepreZen API Studio workspace. Source Code can be. Corresponding java code: CodegenProperty. Affected versions of this package are vulnerable to Arbitrary Code Execution via the yaml parsing functionality. 0) specification; written in Python 3. Lets start with creating a Spring Tool Web application. By default, Swagger-Core will only include and introspect only classes that are annotated with @Api and will ignore other resources; @io. ApiOperation Which describes an operation or typically a HTTP method against a specific path. I'm learning about Swagger and how to generate REST Client using Swagger codegen. This overrides the default ApiClient implementation for code-generated Java SDK clients, adding support for cookie-based auth and improved error-handling logic specific to the VeloCloud Orchestrator API. Just by using the swagger type as "number" and not specifying the format, worked and generated a BigDecimal. For use with Swagger-Codegen. Tutorial: Host a RESTful API with CORS in Azure App Service. String' to required type 'java. For a module to be discoverable, the fully-qualified class name of the implementing class must appear on a line by itself in a text resource named META-INF/services/io. OpenAPI Specification と Swagger Godegen に至るまで辿った道。CORBA, RMI, SOAP, Thrift, gRPC, REST, WADL, OpenAPI Specification などの話. For the purpose of demonstration we will use the file swagger-codegen-cli-2. This is a basic code snippet that we can include in our project's pom. The j8-async template is a modified version of it with the following changes: Added tag to response to use Spring's async servlet feature. In this tutorial, we take a look at Using Swagger to Connect a Backend to an Angular Frontend execute the following command:java -jar swagger-codegen-cli-2. Swagger-OpenAPI Zen In Your Eclipse IDE KaiZen OpenAPI Editor is RepreZen's open source, Eclipse-based editor for the industry-standard OpenAPI Specification language, based on Swagger. Swagger removes the guesswork in calling the service. A tool which generates Java classes that encapsulate and interpret imported records is what we call Sqoop Codegen. Finally, as our API does absolutely nothing for now, we add an empty paths list. If on the other hand you're an API Consumer who wants to integrate with an API that has an OpenAPI definition you can use Swagger Inspector or the online version of Swagger UI to explore the API (given that you have a URL to the APIs Swagger definition) - and then use Swagger Codegen to generate the client library of your choice. 0に向けた建設的な合意には達しなかった。. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. For a more conceptual overview of OpenAPI and Swagger, see Introduction to the OpenAPI specification and Swagger. The APIs will be used by other teams in our department. Recently we started using Swagger to improve the development of our APIs. There are several tools like Azure AutoRest , Swagger Codegen , Swagger. For descriptive API-driven development, the swagger-core project supports interacting with OpenAPI from Java. I am new to using swagger code gen tool. Writing OpenAPI (fka Swagger) Specification tutorial. The integrated GenTemplate framework lets you create advanced API codegen. Using Swagger Codegen. This section outlines how to use code generation to create an Ed-Fi ODS / API Client SDK using a Windows environment targeting C#. However, it's not entirely obvious from looking at Swagger documentation how one should go about generating and using a client library.