JAVA-11420: Dissolve spring-boot-1 and spring-boot-2 inside (#12122)

spring-boot-modules

spring-4/src/main/java/com/baeldung/actuator/CustomEndpoint.java

@@ -0,0 +1,35 @@
+package com.baeldung.actuator;
+
+import org.springframework.boot.actuate.endpoint.Endpoint;
+import org.springframework.stereotype.Component;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Component
+public class CustomEndpoint implements Endpoint<List<String>> {
+
+    @Override
+    public String getId() {
+        return "customEndpoint";
+    }
+
+    @Override
+    public boolean isEnabled() {
+        return true;
+    }
+
+    @Override
+    public boolean isSensitive() {
+        return true;
+    }
+
+    @Override
+    public List<String> invoke() {
+        // Custom logic to build the output
+        List<String> messages = new ArrayList<>();
+        messages.add("This is message 1");
+        messages.add("This is message 2");
+        return messages;
+    }
+}

spring-4/src/main/java/com/baeldung/actuator/HealthCheck.java

@@ -0,0 +1,23 @@
+package com.baeldung.actuator;
+
+import org.springframework.boot.actuate.health.Health;
+import org.springframework.boot.actuate.health.HealthIndicator;
+import org.springframework.stereotype.Component;
+
+@Component("myHealthCheck")
+public class HealthCheck implements HealthIndicator {
+
+    @Override
+    public Health health() {
+        int errorCode = check(); // perform some specific health check
+        if (errorCode != 0) {
+            return Health.down().withDetail("Error Code", errorCode).build();
+        }
+        return Health.up().build();
+    }
+
+    public int check() {
+        // Our logic to check health
+        return 0;
+    }
+}

spring-4/src/main/java/com/baeldung/actuator/LoginServiceImpl.java

@@ -0,0 +1,28 @@
+package com.baeldung.actuator;
+
+import org.springframework.boot.actuate.metrics.CounterService;
+import org.springframework.stereotype.Service;
+
+import java.util.Arrays;
+
+@Service
+public class LoginServiceImpl {
+
+    private final CounterService counterService;
+
+    public LoginServiceImpl(CounterService counterService) {
+        this.counterService = counterService;
+    }
+
+    public boolean login(String userName, char[] password) {
+        boolean success;
+        if (userName.equals("admin") && Arrays.equals("secret".toCharArray(), password)) {
+            counterService.increment("counter.login.success");
+            success = true;
+        } else {
+            counterService.increment("counter.login.failure");
+            success = false;
+        }
+        return success;
+    }
+}

spring-4/src/main/java/com/baeldung/actuator/SpringBoot.java

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

spring-4/src/main/resources/application.properties

@@ -3,3 +3,24 @@ feature.new.foo=Y
 last.active.after=2018-03-14T00:00:00Z
 first.active.after=2999-03-15T00:00:00Z
 logging.level.org.flips=info
+
+#actuator properties
+### server port
+server.port=8080
+#port used to expose actuator
+management.port=8081
+#CIDR allowed to hit actuator
+management.address=127.0.0.1
+# Actuator Configuration
+# customize /beans endpoint
+endpoints.beans.id=springbeans
+endpoints.beans.sensitive=false
+endpoints.beans.enabled=true
+# for the Spring Boot version 1.5.0 and above, we have to disable security to expose the health endpoint fully for unauthorized access.
+# see: https://docs.spring.io/spring-boot/docs/1.5.x/reference/html/production-ready-monitoring.html
+management.security.enabled=false
+endpoints.health.sensitive=false
+# customize /info endpoint
+info.app.name=Spring Sample Application
+info.app.description=This is my first spring boot application
+info.app.version=1.0.0