BAEL-4682: Add boolean example to the YAML (#10227)

spring-boot-modules/spring-boot-properties/src/main/java/com/baeldung/yaml/MyApplication.java

@@ -5,15 +5,13 @@
  */
 package com.baeldung.yaml;
 
-import java.util.Collections;
+import com.baeldung.yaml.YAMLConfig.Idm;
+import com.baeldung.yaml.YAMLConfig.Service;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
-import com.baeldung.yaml.YAMLConfig.Idm;
-import com.baeldung.yaml.YAMLConfig.Service;
-
 @SpringBootApplication
 public class MyApplication implements CommandLineRunner {
 
@@ -28,6 +26,7 @@ public class MyApplication implements CommandLineRunner {
     public void run(String... args) throws Exception {
         System.out.println("using environment:" + myConfig.getEnvironment());
         System.out.println("name:" + myConfig.getName());
+        System.out.println("enabled:" + myConfig.isEnabled());
         System.out.println("servers:" + myConfig.getServers());
         
         if ("testing".equalsIgnoreCase(myConfig.getEnvironment())) {

spring-boot-modules/spring-boot-properties/src/main/java/com/baeldung/yaml/YAMLConfig.java

@@ -15,6 +15,7 @@ import org.springframework.context.annotation.Configuration;
 public class YAMLConfig {
     private String name;
     private String environment;
+    private boolean enabled;
     private List<String> servers = new ArrayList<String>();
     private List<String> external = new ArrayList<String>();
     private Map<String, String> map = new HashMap<String, String>();
@@ -43,7 +44,15 @@ public class YAMLConfig {
     public void setEnvironment(String environment) {
         this.environment = environment;
     }
-    
+
+    public boolean isEnabled() {
+        return enabled;
+    }
+
+    public void setEnabled(boolean enabled) {
+        this.enabled = enabled;
+    }
+
     public Component getComponent() {
         return component;
     }

spring-boot-modules/spring-boot-properties/src/main/resources/application.yml

@@ -9,6 +9,7 @@ spring:
   profiles: test
 name: test-YAML
 environment: testing
+enabled: false
 servers:
   - www.abc.test.com
   - www.xyz.test.com
@@ -39,6 +40,7 @@ spring:
   profiles: prod
 name: prod-YAML
 environment: production
+enabled: true
 servers:
   - www.abc.com
   - www.xyz.com
@@ -49,6 +51,7 @@ spring:
     profiles: dev
 name: ${DEV_NAME:dev-YAML}
 environment: development
+enabled: true
 servers:
     - www.abc.dev.com
     - www.xyz.dev.com

spring-boot-modules/spring-boot-properties/src/test/java/com/baeldung/yaml/YAMLDevIntegrationTest.java

@@ -21,5 +21,6 @@ class YAMLDevIntegrationTest {
     void whenProfileTest_thenNameTesting() {
         assertTrue("development".equalsIgnoreCase(config.getEnvironment()));
         assertTrue("dev-YAML".equalsIgnoreCase(config.getName()));
+        assertTrue(config.isEnabled());
     }
 }

spring-boot-modules/spring-boot-properties/src/test/java/com/baeldung/yaml/YAMLIntegrationTest.java

@@ -1,5 +1,6 @@
 package com.baeldung.yaml;
 
+import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
 import org.junit.jupiter.api.Test;
@@ -22,5 +23,6 @@ class YAMLIntegrationTest {
         assertTrue("testing".equalsIgnoreCase(config.getEnvironment()));
         assertTrue("test-YAML".equalsIgnoreCase(config.getName()));
         assertTrue("myurl".equalsIgnoreCase(config.getComponent().getIdm().getUrl()));
+        assertFalse(config.isEnabled());
     }
 }