如何从 OpenAPI 3.0 yaml 文件生成 JSON 示例?

问题描述

我有我的 openapi: 3.0.0 YAML 文件，我正在寻找一种从模式生成测试数据响应(JSON 对象)的方法.这 是我正在寻找的，但我无法让它为 openapi: 3.0.0 工作，代码有效非常适合swagger":2.0"定义.我试图让代码与支持 OpenAPI 3.0 的 Swagger Java 库 2.x 一起工作.我知道我需要使用 Swagger 2.x 版.

I have my openapi: 3.0.0 YAML file, I'm looking for a way to generate test data response (JSON object) from schema. This is what I am looking for, but I can't get it working for openapi: 3.0.0, the code works perfectly for "swagger": "2.0" definitions. I have tried to get the code working with Swagger Java libraries 2.x, which support OpenAPI 3.0. I know I need to use version 2.x of Swagger.

import io.swagger.parser.SwaggerParser;
import io.swagger.models.*;
import io.swagger.inflector.examples.*;
import io.swagger.inflector.examples.models.Example;
import io.swagger.inflector.processors.JsonNodeExampleSerializer;
import io.swagger.util.Json;
import io.swagger.util.Yaml;
import java.util.Map;
import com.fasterxml.jackson.databind.module.SimpleModule;


// Load your OpenAPI/Swagger definition
Swagger swagger = new SwaggerParser().read("http://petstore.swagger.io/v2/swagger.json");

// Create an Example object for the Pet model
Map<String, Model> definitions = swagger.getDefinitions();
Model pet = definitions.get("Pet");
Example example = ExampleBuilder.fromModel("Pet", pet, definitions, new HashSet<String>());
// Another way:
// Example example = ExampleBuilder.fromProperty(new RefProperty("Pet"), swagger.getDefinitions());

// Configure example serializers
SimpleModule simpleModule = new SimpleModule().addSerializer(new JsonNodeExampleSerializer());
Json.mapper().registerModule(simpleModule);

// Convert the Example object to string

// JSON example
String jsonExample = Json.pretty(example);
System.out.println(jsonExample);

此代码有效，只需要为 openapi 获取相同的代码:3.0.0.

This code is working, just need to get the same code working for openapi: 3.0.0.

推荐答案

找到了解决方案，

OpenAPI swagger = new OpenAPIV3Parser().read("url to Open API 3.0 Swagger")
Map < String, Schema > definitions = swagger.getComponents().getSchemas()
Schema model = definitions.get("Pet")
Example example = ExampleBuilder.fromSchema(model, definitions)
SimpleModule simpleModule = new SimpleModule().addSerializer(new JsonNodeExampleSerializer())
Json.mapper().registerModule(simpleModule)
String jsonExample = Json.pretty(example);
System.out.println(jsonExample);

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