java - get endpoints list from controller in swagger UI

Java - get endpoints list from controller in swagger UI

To get the endpoints list from a controller in Swagger UI in a Java Spring Boot application, you typically use the Swagger annotations in your controller classes.

Here's a basic example of how you can achieve this:

  1. Add Swagger Dependencies: Make sure you have the necessary dependencies in your pom.xml or build.gradle file to integrate Swagger with your Spring Boot application.

  2. Annotate Controller Classes: Annotate your controller classes and methods with Swagger annotations such as @Api, @ApiOperation, etc. This helps Swagger generate the API documentation.

  3. Configure Swagger in Spring Boot: Configure Swagger in your Spring Boot application, typically in a @Configuration class.

  4. Access Swagger UI: Once your application is running, you can access the Swagger UI endpoint in your browser to view the API documentation, including the list of endpoints.

Here's a simple example:

import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import io.swagger.annotations.Api; import io.swagger.annotations.ApiOperation; @RestController @RequestMapping("/api") @Api(tags = "Example Controller") public class ExampleController { @GetMapping("/hello") @ApiOperation("Say Hello") public String sayHello() { return "Hello, World!"; } @GetMapping("/bye") @ApiOperation("Say Bye") public String sayBye() { return "Goodbye, World!"; } }

In this example:

  • @Api annotation is used at the class level to provide metadata about the controller.
  • @ApiOperation annotation is used at the method level to provide metadata about the operation.

Once you run your Spring Boot application, you can access the Swagger UI at a URL like http://localhost:8080/swagger-ui.html, where you'll see a list of endpoints documented based on the annotations you've added to your controller classes and methods.

Make sure to replace localhost:8080 with the appropriate host and port of your application.

Examples

  1. "How to list endpoints from Java controller in Swagger UI?" Description: This query concerns displaying a list of endpoints defined in Java controllers using Swagger UI, facilitating API documentation and testing.

    // Using Spring Boot and Swagger annotations import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import springfox.documentation.annotations.ApiIgnore; @RestController @RequestMapping("/api") @ApiIgnore public class SwaggerController { @GetMapping("/swagger-endpoints") public String showSwaggerEndpoints() { return "redirect:/swagger-ui.html"; } }

  2. "How to integrate Swagger with Java Spring Boot?" Description: This query revolves around integrating Swagger with a Java Spring Boot application to automatically generate API documentation and expose endpoints in Swagger UI.

    // Using Spring Boot and Swagger annotations import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import springfox.documentation.builders.PathSelectors; import springfox.documentation.builders.RequestHandlerSelectors; import springfox.documentation.spi.DocumentationType; import springfox.documentation.spring.web.plugins.Docket; import springfox.documentation.swagger2.annotations.EnableSwagger2; @Configuration @EnableSwagger2 public class SwaggerConfig { @Bean public Docket api() { return new Docket(DocumentationType.SWAGGER_2) .select() .apis(RequestHandlerSelectors.any()) .paths(PathSelectors.any()) .build(); } }

  3. "How to expose REST API endpoints using Swagger in Java?" Description: This query addresses exposing REST API endpoints using Swagger annotations in a Java application, facilitating automated documentation and exploration.

    // Using Spring Boot and Swagger annotations import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.PostMapping; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import io.swagger.annotations.Api; import io.swagger.annotations.ApiOperation; @RestController @RequestMapping("/api") @Api(tags = "API") public class ExampleController { @GetMapping("/example") @ApiOperation("Get example") public String getExample() { return "Example GET response"; } @PostMapping("/example") @ApiOperation("Post example") public String postExample() { return "Example POST response"; } }

  4. "How to document Java controller endpoints with Swagger?" Description: This query focuses on documenting Java controller endpoints using Swagger annotations to generate comprehensive API documentation.

    // Using Spring Boot and Swagger annotations import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RestController; import io.swagger.annotations.Api; import io.swagger.annotations.ApiOperation; @RestController @Api(tags = "User Management") public class UserController { @GetMapping("/users") @ApiOperation("Get all users") public List<User> getAllUsers() { // Retrieve and return all users } }

  5. "How to annotate Java methods for Swagger documentation?" Description: This query pertains to annotating Java methods with Swagger annotations to generate clear and concise documentation for API endpoints.

    // Using Spring Boot and Swagger annotations import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RestController; import io.swagger.annotations.Api; import io.swagger.annotations.ApiOperation; @RestController @Api(tags = "Product Management") public class ProductController { @GetMapping("/products") @ApiOperation("Get all products") public List<Product> getAllProducts() { // Retrieve and return all products } }

  6. "How to configure Swagger UI for Java Spring Boot?" Description: This query involves configuring Swagger UI for a Java Spring Boot application to visualize and interact with documented endpoints.

    // Using Spring Boot and Swagger annotations import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import springfox.documentation.swagger2.annotations.EnableSwagger2; import springfox.documentation.spring.web.plugins.Docket; import springfox.documentation.spi.DocumentationType; @Configuration @EnableSwagger2 public class SwaggerConfig { @Bean public Docket api() { return new Docket(DocumentationType.SWAGGER_2); } }

  7. "How to add Swagger annotations to Java controllers?" Description: This query addresses adding Swagger annotations to Java controllers to document API endpoints effectively for automatic generation of API documentation.

    // Using Spring Boot and Swagger annotations import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RestController; import io.swagger.annotations.Api; import io.swagger.annotations.ApiOperation; @RestController @Api(tags = "Order Management") public class OrderController { @GetMapping("/orders") @ApiOperation("Get all orders") public List<Order> getAllOrders() { // Retrieve and return all orders } }

  8. "How to expose Java REST APIs with Swagger annotations?" Description: This query revolves around exposing Java REST APIs with Swagger annotations, enabling automatic generation of API documentation.

    // Using Spring Boot and Swagger annotations import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RestController; import io.swagger.annotations.Api; import io.swagger.annotations.ApiOperation; @RestController @Api(tags = "Inventory Management") public class InventoryController { @GetMapping("/inventory") @ApiOperation("Get inventory items") public List<Item> getInventory() { // Retrieve and return inventory items } }

  9. "How to integrate Swagger documentation in Java Spring Boot?" Description: This query involves integrating Swagger documentation into a Java Spring Boot application for automatic API documentation generation and exploration.

    // Using Spring Boot and Swagger annotations import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import springfox.documentation.swagger2.annotations.EnableSwagger2; import springfox.documentation.spring.web.plugins.Docket; import springfox.documentation.spi.DocumentationType; @Configuration @EnableSwagger2 public class SwaggerConfig { @Bean public Docket api() { return new Docket(DocumentationType.SWAGGER_2); } }

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