BAEL-5321: Change Swagger UI URL prefix (#13288)

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* [BAEL-5321] constructor

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spring-boot-modules/spring-boot-swagger-2/src/main/java/com/baeldung/springdoc/demo/SpringDocExampleApplication.java

@@ -0,0 +1,17 @@
+package com.baeldung.springdoc.demo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+import com.baeldung.springdoc.demo.config.SpringDocSwaggerConfig;
+
+@SpringBootApplication
+public class SpringDocExampleApplication {
+
+    public static void main(String[] args) { 
+    	SpringApplication application = new SpringApplication(SpringDocExampleApplication.class);
+    	//Note: SpringDocExampleApplication is the name of your main class 
+    	application.addListeners(new SpringDocSwaggerConfig()); 
+    	application.run(args);
+    }
+}

spring-boot-modules/spring-boot-swagger-2/src/main/java/com/baeldung/springdoc/demo/SpringFoxExampleApplication.java

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

spring-boot-modules/spring-boot-swagger-2/src/main/java/com/baeldung/springdoc/demo/config/SpringDocSwaggerConfig.java

@@ -0,0 +1,25 @@
+package com.baeldung.springdoc.demo.config;
+
+import java.util.Properties;
+
+import org.springframework.boot.context.event.ApplicationPreparedEvent;
+import org.springframework.context.ApplicationListener;
+import org.springframework.core.env.ConfigurableEnvironment;
+import org.springframework.core.env.PropertiesPropertySource;
+import org.springframework.stereotype.Component;
+
+@Component
+public class SpringDocSwaggerConfig implements ApplicationListener<ApplicationPreparedEvent> {
+
+	@Override
+	public void onApplicationEvent(final ApplicationPreparedEvent event) {
+		ConfigurableEnvironment environment = event.getApplicationContext().getEnvironment();
+		Properties props = new Properties();
+		props.put("springdoc.swagger-ui.path", swaggerPath());
+		environment.getPropertySources().addFirst(new PropertiesPropertySource("programmatically", props));
+	}
+
+	private String swaggerPath() {
+		return "/myproject"; // TODO: implement your logic here.
+	}
+}

spring-boot-modules/spring-boot-swagger-2/src/main/java/com/baeldung/springdoc/demo/config/SpringFoxSwaggerConfig.java

@@ -0,0 +1,28 @@
+package com.baeldung.springdoc.demo.config;
+
+import java.util.ArrayList;
+
+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.ApiInfo;
+import springfox.documentation.spi.DocumentationType;
+import springfox.documentation.spring.web.plugins.Docket;
+
+@Configuration
+public class SpringFoxSwaggerConfig {
+
+	@Bean
+	public Docket productApi() {
+		return new Docket(DocumentationType.SWAGGER_2).select().apis(RequestHandlerSelectors.any())
+				.paths(PathSelectors.any()).build().apiInfo(metaInfo());
+	}
+
+	private ApiInfo metaInfo() {
+
+		return new ApiInfo("Sample API REST", "API REST", "1.0", "Terms of Service", null, "Apache License Version 2.0",
+				"https://www.apache.org/licesen.html", new ArrayList<>());
+	}
+}

spring-boot-modules/spring-boot-swagger-2/src/main/java/com/baeldung/springdoc/demo/controller/SwaggerController.java

@@ -0,0 +1,13 @@
+package com.baeldung.springdoc.demo.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Controller
+public class SwaggerController {
+
+	@RequestMapping("/myproject")
+	public String getRedirectUrl() {
+		return "redirect:swagger-ui.html";
+	}
+}

spring-boot-modules/spring-boot-swagger-2/src/main/java/com/baeldung/springdoc/demo/controller/TopicsController.java

@@ -0,0 +1,26 @@
+package com.baeldung.springdoc.demo.controller;
+
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.baeldung.springdoc.demo.model.Topic;
+import com.baeldung.springdoc.demo.service.TopicService;
+
+
+@RestController
+public class TopicsController {
+	
+	@Autowired
+	TopicService topicService;
+	
+	@GetMapping(value = "/topics")
+	public ResponseEntity<List<Topic>> getAllTopics() {
+		return new ResponseEntity<>(topicService.getAlllTopics(), HttpStatus.OK);
+	}
+}

spring-boot-modules/spring-boot-swagger-2/src/main/java/com/baeldung/springdoc/demo/model/Topic.java

@@ -0,0 +1,26 @@
+package com.baeldung.springdoc.demo.model;
+
+public class Topic {
+	
+	Integer id;
+	String name;
+	
+	public Topic(Integer id, String name) {
+		super();
+		this.id = id;
+		this.name = name;
+	}
+
+	public Integer getId() {
+		return id;
+	}
+	public void setId(Integer id) {
+		this.id = id;
+	}
+	public String getName() {
+		return name;
+	}
+	public void setName(String name) {
+		this.name = name;
+	}
+}

spring-boot-modules/spring-boot-swagger-2/src/main/java/com/baeldung/springdoc/demo/service/TopicService.java

@@ -0,0 +1,26 @@
+package com.baeldung.springdoc.demo.service;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.springframework.stereotype.Service;
+
+import com.baeldung.springdoc.demo.model.Topic;
+
+@Service
+public class TopicService {
+	
+	private List<Topic> topicsList;
+	
+	public TopicService(){
+		this.topicsList = new ArrayList<Topic>() {{
+			add(new Topic(1, "Topic1"));
+			add(new Topic(2, "Topic2"));
+			add(new Topic(3, "Topic3"));
+		}};
+	}
+	
+	public List<Topic> getAlllTopics(){
+		return topicsList;
+	}
+}

spring-boot-modules/spring-boot-swagger-2/src/main/resources/application.properties

@@ -1,2 +1,7 @@
 springdoc.api-docs.enabled=false
 springdoc.swagger-ui.url=/api_3.yaml
+
+# Properties for custom Springdoc swagger-ui url
+
+#springdoc.swagger-ui.disable-swagger-default-url=true
+#springdoc.swagger-ui.path=/myproject