renaming the project

spring-boot/src/main/java/org/baeldung/endpoints/CustomEndpoint.java

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

spring-boot/src/main/java/org/baeldung/endpoints/ListEndpoints.java

@@ -0,0 +1,23 @@
+package org.baeldung.endpoints;
+
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.actuate.endpoint.AbstractEndpoint;
+import org.springframework.boot.actuate.endpoint.Endpoint;
+import org.springframework.stereotype.Component;
+
+@Component
+public class ListEndpoints extends AbstractEndpoint<List<Endpoint>> {
+    private List<Endpoint> endpoints;
+
+    @Autowired
+    public ListEndpoints(List<Endpoint> endpoints) {
+        super("listEndpoints");
+        this.endpoints = endpoints;
+    }
+
+    public List<Endpoint> invoke() {
+        return this.endpoints;
+    }
+}

spring-boot/src/main/java/org/baeldung/endpoints/MyHealthCheck.java

@@ -0,0 +1,22 @@
+package org.baeldung.endpoints;
+
+import org.springframework.boot.actuate.health.Health;
+import org.springframework.boot.actuate.health.HealthIndicator;
+import org.springframework.stereotype.Component;
+
+@Component
+public class MyHealthCheck implements HealthIndicator {
+
+    public Health health() {
+        int errorCode = check(); // perform some specific health check
+        if (errorCode != 0) {
+            return Health.down().withDetail("Error Code", errorCode).withDetail("Description", "You custom MyHealthCheck endpoint is down").build();
+        }
+        return Health.up().build();
+    }
+
+    public int check() {
+        // Your logic to check health
+        return 1;
+    }
+}

spring-boot/src/main/java/org/baeldung/main/SpringBootActuatorApplication.java

@@ -0,0 +1,29 @@
+package org.baeldung.main;
+
+import org.baeldung.service.LoginService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@EnableAutoConfiguration
+@ComponentScan({ "org.baeldung.endpoints", "org.baeldung.service", "org.baeldung.monitor.jmx" })
+public class SpringBootActuatorApplication {
+
+    @Autowired
+    private LoginService service;
+
+    @RequestMapping("/")
+    String home() {
+        service.login("admin", "admin".toCharArray());
+        return "TADA!!! You are in Spring Boot Actuator test application.";
+    }
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringBootActuatorApplication.class, args);
+    }
+
+}

spring-boot/src/main/java/org/baeldung/monitor/jmx/MonitoringConfig.java

@@ -0,0 +1,21 @@
+package org.baeldung.monitor.jmx;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import com.codahale.metrics.JmxReporter;
+import com.codahale.metrics.MetricRegistry;
+
+@Configuration
+public class MonitoringConfig {
+    @Autowired
+    private MetricRegistry registry;
+
+    @Bean
+    public JmxReporter jmxReporter() {
+        JmxReporter reporter = JmxReporter.forRegistry(registry).build();
+        reporter.start();
+        return reporter;
+    }
+}

spring-boot/src/main/java/org/baeldung/service/LoginService.java

@@ -0,0 +1,5 @@
+package org.baeldung.service;
+
+public interface LoginService {
+    public boolean login(String userName, char[] password);
+}

spring-boot/src/main/java/org/baeldung/service/LoginServiceImpl.java

@@ -0,0 +1,29 @@
+package org.baeldung.service;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.actuate.metrics.CounterService;
+import org.springframework.stereotype.Service;
+
+@Service
+public class LoginServiceImpl implements LoginService {
+
+    private CounterService counterService;
+
+    @Autowired
+    public LoginServiceImpl(CounterService counterService) {
+        this.counterService = counterService;
+    }
+
+    public boolean login(String userName, char[] password) {
+        boolean success;
+        if (userName.equals("admin") && "secret".toCharArray().equals(password)) {
+            counterService.increment("counter.login.success");
+            success = true;
+        } else {
+            counterService.increment("counter.login.failure");
+            success = false;
+        }
+        return success;
+    }
+
+}

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

@@ -0,0 +1,27 @@
+management.port=8081
+management.address=127.0.0.1
+
+endpoints.shutdown.enabled=true
+
+endpoints.jmx.domain=Spring Sample Application
+endpoints.jmx.uniqueNames=true
+
+##jolokia.config.debug=true
+##endpoints.jolokia.enabled=true
+##endpoints.jolokia.path=jolokia
+
+spring.jmx.enabled=true
+endpoints.jmx.enabled=true
+
+## for pretty printing of json when endpoints accessed over HTTP
+http.mappers.jsonPrettyPrint=true
+
+## Configuring info endpoint
+info.app.name=Spring Sample Application
+info.app.description=This is my first spring boot application G1
+info.app.version=1.0.0
+
+## Spring Security Configurations
+security.user.name=admin1
+security.user.password=secret1
+management.security.role=SUPERUSER