+ Added lua hot reload functionality

src/core/lua/Plugin.java

@@ -26,12 +26,14 @@ public class Plugin
 	public Plugin(Path filepath)
 	{
 		this.filepath = filepath;
-		
-		
-		StringBuilder contentBuilder = new StringBuilder();
-
+		reRead();
+	}
+	
+	public void reRead()
+	{
 		try 
 		{
+			StringBuilder contentBuilder = new StringBuilder();
 			Stream<String> stream = Files.lines(filepath, StandardCharsets.UTF_8);
 			stream.forEach(str -> contentBuilder.append(str).append("\n"));
 			stream.close();

src/core/lua/PluginManager.java

@@ -1,33 +1,31 @@
 package core.lua;
 
-import java.nio.file.Files;
 import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.stream.Stream;
+
 
 import dataStructures.KittyUser;
+import utils.GlobalLog;
+import utils.LogFilter;
+import utils.io.DirectoryMonitor;
 
 // Reads in, handles, and manipulates plugins. Plugins are loaded in the order they appear in the folder.
 public class PluginManager
 {
 	// Variables
-	public final String pluginFolder;
 	public ArrayList<Plugin> plugins;
+	public DirectoryMonitor directoryMonitor;
 	
 	// Constructor
 	public PluginManager(String folder)
 	{
-		this.pluginFolder = folder;
+		this.directoryMonitor = new DirectoryMonitor(folder);
 		plugins = new ArrayList<Plugin>();
 
 		try
 		{
-			try (Stream<Path> paths = Files.walk(Paths.get(this.pluginFolder)))
-			{
-				paths.filter(Files::isRegularFile).forEach((path)->{ addPlugin(path); });
-			}
+			directoryMonitor.getCurrentFiles().forEach((file) -> addPlugin(file.path));
 		}
 		catch(Exception e)
 		{
@@ -35,6 +33,43 @@ public class PluginManager
 		}
 	}
 	
+	public void update()
+	{
+		directoryMonitor.update(
+				(addedFile) ->
+				{
+					addPlugin(addedFile.path);
+					
+					GlobalLog.log(LogFilter.Plugin, "Found new plugin at " + addedFile.path);
+				}, 
+				(updatedFile) ->
+				{
+					for(Plugin plugin : plugins)
+					{
+						if(plugin.filepath.toString().equalsIgnoreCase(updatedFile.path.toString()))
+						{
+							plugin.reRead();
+							break;
+						}
+					}
+					
+					GlobalLog.log(LogFilter.Plugin, "A plugin was updated " + updatedFile.path);
+				}, 
+				(deletedFile) ->
+				{
+					for(int i = plugins.size() - 1; i >= 0; i--)
+					{
+						Plugin plugin = plugins.get(i);
+						
+						if(plugin.filepath.toString().equalsIgnoreCase(deletedFile.path.toString()))
+							plugins.remove(i);
+					}
+					
+					GlobalLog.log(LogFilter.Plugin, "Plugin deleted at " + deletedFile.path);
+				});
+	}
+	
+	// Registers a plugin based on the path
 	public void addPlugin(Path path)
 	{
 		plugins.add(new Plugin(path));
@@ -66,6 +101,8 @@ public class PluginManager
 	public void printAll()
 	{
 		for(int i = 0; i < plugins.size(); ++i)
+		{
 			PluginLog.log(plugins.get(i).contents.toString());
+		}
 	}
 }

src/main/Main.java

@@ -86,7 +86,8 @@ public class Main extends ListenerAdapter
 		RPManager.instance.addLine(channel, user, input);
 		
 		// Run any pre-emptive upkeep we need to
-		Superintendent.perCommandUpkeepPre();
+		if(!Superintendent.perCommandUpkeepPre(pluginManager))
+			return;
 		
 		// Attempt to spin up a command. If the command doesn't exist.
 		// Run plugins right before invoking the commands but after all other setup.
@@ -111,6 +112,7 @@ public class Main extends ListenerAdapter
 		}
 		
 		// Run any upkeep in post we need to
-		Superintendent.perCommandUpkeepPost(kittyCore, databaseManager);
+		if(!Superintendent.perCommandUpkeepPost(kittyCore, databaseManager))
+			return;
 	}
 }

src/main/Superintendent.java

@@ -6,6 +6,7 @@ import core.Config;
 import core.DatabaseManager;
 import core.RPManager;
 import core.Stats;
+import core.lua.PluginManager;
 import dataStructures.KittyChannel;
 import dataStructures.KittyCore;
 import dataStructures.KittyGuild;
@@ -71,11 +72,13 @@ public class Superintendent
 	
 	// Only called once per command. Good for lazily updating.
 	// Happens just before the command / plugin runs.
-	public static boolean perCommandUpkeepPre()
+	public static boolean perCommandUpkeepPre(PluginManager pluginManager)
 	{
 		// Upkeep the config file monitoring
 		Config.instance.upkeep();
+		pluginManager.update();
 		
+		// Return if we succeeded or not. At this time, we always succeed.
 		return true;
 	}