Using info attribute of '@OpenAPIDefinition' annotation, we can define the project contact details.
Example
@Configuration
@OpenAPIDefinition(
info = @Info(
title = "Demo Appication",
version = "1.0.0",
description = "Demo Appication",
contact = @Contact(name = "Java tutorial team", email = "test@test.com")
),
servers = {
@Server(url = "http://localhost:8080", description = "local server"),
@Server(url = "https://chat.dev.com", description = "Development server"),
@Server(url = "https://chat.qa.com", description = "QA server"),
@Server(url = "https://chat.prod.com", description = "prod server")
},
security = {
@SecurityRequirement(name = "serverName"),
@SecurityRequirement(name ="key")
}
)
@SecuritySchemes(value = {
@SecurityScheme(name = "serverName",
type = SecuritySchemeType.APIKEY,
in = SecuritySchemeIn.HEADER,
paramName = "server.name",
description = "server name to authenticate"),
@SecurityScheme(name = "key",
type = SecuritySchemeType.APIKEY,
in = SecuritySchemeIn.HEADER,
paramName = "server.key",
description = "server key to authenticate")
})
public class SwaggerConfig {
}
Find the below working application.
Step 1: Create new maven project ‘openapi-define-server’.
Step 2: Update pom.xml with maven dependencies.
pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.sample.app</groupId>
<artifactId>openapi-define-server</artifactId>
<version>1</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.6.4</version>
</parent>
<properties>
<java.version>1.8</java.version>
<maven.compiler.source>${java.version}</maven.compiler.source>
<maven.compiler.target>${java.version}</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.report.outputEncoding>UTF-8</project.report.outputEncoding>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springdoc</groupId>
<artifactId>springdoc-openapi-ui</artifactId>
<version>1.6.6</version>
</dependency>
</dependencies>
</project>
Step 3: Define SwaggerConfig class.
SwaggerConfig.java
package com.sample.app.config;
import org.springframework.context.annotation.Configuration;
import io.swagger.v3.oas.annotations.OpenAPIDefinition;
import io.swagger.v3.oas.annotations.enums.SecuritySchemeIn;
import io.swagger.v3.oas.annotations.enums.SecuritySchemeType;
import io.swagger.v3.oas.annotations.info.Contact;
import io.swagger.v3.oas.annotations.info.Info;
import io.swagger.v3.oas.annotations.security.SecurityRequirement;
import io.swagger.v3.oas.annotations.security.SecurityScheme;
import io.swagger.v3.oas.annotations.security.SecuritySchemes;
import io.swagger.v3.oas.annotations.servers.Server;
@Configuration
@OpenAPIDefinition(
info = @Info(
title = "Demo Appication",
version = "1.0.0",
description = "Demo Appication",
contact = @Contact(name = "Java tutorial team", email = "test@test.com")
),
servers = {
@Server(url = "http://localhost:8080", description = "local server"),
@Server(url = "https://chat.dev.com", description = "Development server"),
@Server(url = "https://chat.qa.com", description = "QA server"),
@Server(url = "https://chat.prod.com", description = "prod server")
},
security = {
@SecurityRequirement(name = "serverName"),
@SecurityRequirement(name ="key")
}
)
@SecuritySchemes(value = {
@SecurityScheme(name = "serverName",
type = SecuritySchemeType.APIKEY,
in = SecuritySchemeIn.HEADER,
paramName = "server.name",
description = "server name to authenticate"),
@SecurityScheme(name = "key",
type = SecuritySchemeType.APIKEY,
in = SecuritySchemeIn.HEADER,
paramName = "server.key",
description = "server key to authenticate")
})
public class SwaggerConfig {
}
Step 4: Define UserController class.
UserController.java
package com.sample.app.controller;
import java.util.HashMap;
import java.util.Map;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.enums.ParameterIn;
@RestController
@RequestMapping(value = "/api/v1/users")
@CrossOrigin("*")
public class UserController {
@GetMapping("/by-name")
public ResponseEntity<Map<String, Object>> infoByName(
@Parameter(name = "firstName", in = ParameterIn.QUERY, description = "firstName ex: krishna", required = true) @RequestParam(name = "firstName", required = false) String firstName,
@Parameter(name = "lastName", in = ParameterIn.QUERY, description = "lastName ex: krishna", required = true) @RequestParam(name = "lastName", required = false) String lastName) {
Map<String, Object> myDetails = new HashMap<>();
if (firstName != null) {
myDetails.put("firstName", firstName);
}
if (lastName != null) {
myDetails.put("lastName", lastName);
}
return ResponseEntity.ok(myDetails);
}
}
Step 5: Define main application class.
App.java
package com.sample.app;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class App {
public static void main(String[] args) {
SpringApplication.run(App.class, args);
}
}
Total project structure looks like below.
Run App.java.
Open the url ‘http://localhost:8080/swagger-ui/index.html’ in browser.
You will see project contact detail in top left corner.
You can download the complete working application from this link.
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