From c692fe25ffa0570e78ff51377393cfa6dccd5bbb Mon Sep 17 00:00:00 2001
From: kske <kai@kske.dev>
Date: Tue, 18 Feb 2020 08:14:04 +0100
Subject: [PATCH] Adder EnvoyLog#attach(String) method to log specific packages

---
 src/main/java/envoy/client/ui/Startup.java    |  3 ++-
 src/main/java/envoy/client/util/EnvoyLog.java | 27 +++++++++++++------
 2 files changed, 21 insertions(+), 9 deletions(-)

diff --git a/src/main/java/envoy/client/ui/Startup.java b/src/main/java/envoy/client/ui/Startup.java
index a6c1aaa..62d3f69 100644
--- a/src/main/java/envoy/client/ui/Startup.java
+++ b/src/main/java/envoy/client/ui/Startup.java
@@ -68,7 +68,8 @@ public class Startup {
 			System.exit(1);
 		}
 
-		// Set new logger levels loaded from config
+		// Setup logger for the envoy package
+		EnvoyLog.attach("envoy");
 		EnvoyLog.setFileLevelBarrier(config.getFileLevelBarrier());
 		EnvoyLog.setConsoleLevelBarrier(config.getConsoleLevelBarrier());
 
diff --git a/src/main/java/envoy/client/util/EnvoyLog.java b/src/main/java/envoy/client/util/EnvoyLog.java
index 451810f..ac90cd2 100644
--- a/src/main/java/envoy/client/util/EnvoyLog.java
+++ b/src/main/java/envoy/client/util/EnvoyLog.java
@@ -19,17 +19,14 @@ import envoy.client.data.Config;
  */
 public class EnvoyLog {
 
-	private static Logger			root;
 	private static FileHandler		fileHandler;
 	private static StreamHandler	consoleHandler;
 
 	static {
+
 		// Remove default console handler
 		LogManager.getLogManager().reset();
 
-		// Get root logger
-		root = Logger.getLogger("envoy");
-
 		// Configure log file
 		File logFile = new File(Config.getInstance().getHomeDirectory(),
 				"log/envoy_user_" + new SimpleDateFormat("yyyy-MM-dd--hh-mm-mm").format(new Date()) + ".log");
@@ -43,20 +40,34 @@ public class EnvoyLog {
 			fileHandler = new FileHandler(logFile.getAbsolutePath());
 			fileHandler.setLevel(Config.getInstance().getFileLevelBarrier());
 			fileHandler.setFormatter(formatter);
-			root.addHandler(fileHandler);
 		} catch (SecurityException | IOException e) {
 			e.printStackTrace();
 		}
 		consoleHandler = new StreamHandler(System.out, formatter);
 		consoleHandler.setLevel(Config.getInstance().getConsoleLevelBarrier());
 		consoleHandler.setFormatter(formatter);
-		root.addHandler(consoleHandler);
-
-		root.setLevel(Level.ALL);
 	}
 
 	private EnvoyLog() {}
 
+	/**
+	 * Configures all loggers that are contained within the hierarchy of a specific
+	 * path
+	 * 
+	 * @param path the path to the loggers to configure
+	 */
+	public static void attach(String path) {
+		// Get root logger
+		Logger logger = Logger.getLogger(path);
+
+		// Add handlers
+		if (fileHandler != null) logger.addHandler(fileHandler);
+		logger.addHandler(consoleHandler);
+
+		// Delegate logger level filtering to the handlers
+		logger.setLevel(Level.ALL);
+	}
+
 	/**
 	 * Creates a {@link Logger} with a specified name
 	 *