Improve logging

broker/src/main/java/io/moquette/logging/LoggingUtils.java

@@ -0,0 +1,16 @@
+package io.moquette.logging;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import io.moquette.interception.InterceptHandler;
+
+public class LoggingUtils {
+	public static <T extends InterceptHandler> Collection<String> getInterceptorIds(Collection<T> handlers) {
+		Collection<String> result = new ArrayList<>(handlers.size());
+		for (T handler : handlers) {
+			result.add(handler.getID());
+		}
+		return result;
+	}
+}