use metrics library for spring integration

application/src/main/java/de/cotto/lndmanagej/MetricsConfiguration.java

@@ -0,0 +1,29 @@
+package de.cotto.lndmanagej;
+
+import com.codahale.metrics.MetricRegistry;
+import com.codahale.metrics.Slf4jReporter;
+import com.ryantenney.metrics.spring.config.annotation.EnableMetrics;
+import com.ryantenney.metrics.spring.config.annotation.MetricsConfigurerAdapter;
+import org.slf4j.LoggerFactory;
+import org.springframework.context.annotation.Configuration;
+
+import java.util.concurrent.TimeUnit;
+
+@Configuration
+@EnableMetrics
+public class MetricsConfiguration extends MetricsConfigurerAdapter {
+    public MetricsConfiguration() {
+        super();
+    }
+
+    @Override
+    @SuppressWarnings("PMD.CloseResource")
+    public void configureReporters(MetricRegistry metricRegistry) {
+        Slf4jReporter reporter = Slf4jReporter.forRegistry(metricRegistry)
+                .outputTo(LoggerFactory.getLogger(getClass()))
+                .convertRatesTo(TimeUnit.SECONDS)
+                .convertDurationsTo(TimeUnit.MILLISECONDS)
+                .build();
+        registerReporter(reporter).start(1, TimeUnit.MINUTES);
+    }
+}