[BAEL-4173] Set JWT token with Spring Boot & Swagger UI (#10134)

* Hexagonal Architecture with Spring Boot example

* Set JWT token with Spring Boot & Swagger UI

* Revert "Hexagonal Architecture with Spring Boot example"

This reverts commit 412b8690

* [BEAL-4173]
Code identation fixes
README.md fixes

* [BEAL-4173]
Removing sout

* [BEAL-4173]
Fixing identation issue

* [BEAL-4173]
Fixing identation issue

* [BEAL-4173]
Removing HttpHeaders parameter (not needed)

* Update spring-boot-modules/spring-boot-swagger-jwt/src/main/java/com/baeldung/swaggerjwt/controller/ClientsRestController.java

Committing suggestion

Co-authored-by: KevinGilmore <kpg102@gmail.com>

Co-authored-by: KevinGilmore <kpg102@gmail.com>

spring-boot-modules/pom.xml

@@ -64,6 +64,7 @@
         <module>spring-boot-security</module>
         <module>spring-boot-springdoc</module>
         <module>spring-boot-swagger</module>
+        <module>spring-boot-swagger-jwt</module>
         <module>spring-boot-testing</module>
         <module>spring-boot-vue</module>
         <module>spring-boot-xml</module>

spring-boot-modules/spring-boot-swagger-jwt/README.md

@@ -0,0 +1,2 @@
+## Relevant Articles:
+

spring-boot-modules/spring-boot-swagger-jwt/pom.xml

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>com.baeldung.spring-boot-modules</groupId>
+        <artifactId>spring-boot-modules</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+        <relativePath>../</relativePath>
+    </parent>
+    
+    <artifactId>spring-boot-swagger-jwt</artifactId>
+    <version>0.1.0-SNAPSHOT</version>
+    <name>spring-boot-swagger-jwt</name>
+    <packaging>jar</packaging>
+    
+    <description>Module For Spring Boot Swagger UI</description>
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.springfox</groupId>
+            <artifactId>springfox-boot-starter</artifactId>
+            <version>3.0.0</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

spring-boot-modules/spring-boot-swagger-jwt/src/main/java/com/baeldung/swaggerjwt/SpringBootSwaggerUIApplication.java

@@ -0,0 +1,13 @@
+package com.baeldung.swaggerjwt;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringBootSwaggerUIApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringBootSwaggerUIApplication.class, args);
+    }
+
+}

spring-boot-modules/spring-boot-swagger-jwt/src/main/java/com/baeldung/swaggerjwt/configuration/SwaggerConfiguration.java

@@ -0,0 +1,62 @@
+package com.baeldung.swaggerjwt.configuration;
+
+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.service.*;
+import springfox.documentation.spi.DocumentationType;
+import springfox.documentation.spi.service.contexts.SecurityContext;
+import springfox.documentation.spring.web.plugins.Docket;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+@Configuration
+public class SwaggerConfiguration {
+
+  public static final String AUTHORIZATION_HEADER = "Authorization";
+
+  private ApiInfo apiInfo() {
+    return new ApiInfo("My REST API",
+        "Some custom description of API.",
+        "1.0",
+        "Terms of service",
+        new Contact("Sallo Szrajbman", "www.baeldung.com", "salloszraj@gmail.com"),
+        "License of API",
+        "API license URL",
+        Collections.emptyList());
+  }
+
+  @Bean
+  public Docket api() {
+    return new Docket(DocumentationType.SWAGGER_2)
+        .apiInfo(apiInfo())
+        .securityContexts(Arrays.asList(securityContext()))
+        .securitySchemes(Arrays.asList(apiKey()))
+        .select()
+        .apis(RequestHandlerSelectors.any())
+        .paths(PathSelectors.any())
+        .build();
+  }
+
+  private ApiKey apiKey() {
+    return new ApiKey("JWT", AUTHORIZATION_HEADER, "header");
+  }
+
+  private SecurityContext securityContext() {
+    return SecurityContext.builder()
+        .securityReferences(defaultAuth())
+        .build();
+  }
+
+  List<SecurityReference> defaultAuth() {
+    AuthorizationScope authorizationScope
+        = new AuthorizationScope("global", "accessEverything");
+    AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];
+    authorizationScopes[0] = authorizationScope;
+    return Arrays.asList(new SecurityReference("JWT", authorizationScopes));
+  }
+
+}

spring-boot-modules/spring-boot-swagger-jwt/src/main/java/com/baeldung/swaggerjwt/controller/ClientsRestController.java

@@ -0,0 +1,25 @@
+package com.baeldung.swaggerjwt.controller;
+
+import java.util.Arrays;
+import java.util.List;
+
+import com.baeldung.swaggerjwt.configuration.SwaggerConfiguration;
+import io.swagger.annotations.Api;
+import org.springframework.http.HttpHeaders;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestHeader;
+import org.springframework.web.bind.annotation.RestController;
+
+import io.swagger.annotations.ApiOperation;
+
+@RestController(value = "/clients")
+@Api( tags = "Clients")
+public class ClientsRestController {
+
+    @ApiOperation(value = "This method is used to get the clients.")
+    @GetMapping
+    public List<String> getClients() {
+        return Arrays.asList("First Client", "Second Client");
+    }
+
+}