From 9d545dcbf1fb95b6c2185de6f40e72708bdc53cd Mon Sep 17 00:00:00 2001
From: KHobbits <rob@khobbits.co.uk>
Date: Wed, 28 Mar 2012 14:54:48 +0100
Subject: [PATCH] Don't register jail listeners, if no jails are set.

---
 .../src/com/earth2me/essentials/Jails.java    | 21 ++++++++++++++++++-
 .../storage/AsyncStorageObjectHolder.java     |  8 ++++++-
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/Essentials/src/com/earth2me/essentials/Jails.java b/Essentials/src/com/earth2me/essentials/Jails.java
index 65f486f42..00c9d8999 100644
--- a/Essentials/src/com/earth2me/essentials/Jails.java
+++ b/Essentials/src/com/earth2me/essentials/Jails.java
@@ -26,16 +26,17 @@ import org.bukkit.plugin.PluginManager;
 public class Jails extends AsyncStorageObjectHolder<com.earth2me.essentials.settings.Jails> implements IJails
 {
 	private static final transient Logger LOGGER = Bukkit.getLogger();
+	private static transient boolean enabled = false;
 
 	public Jails(final IEssentials ess)
 	{
 		super(ess, com.earth2me.essentials.settings.Jails.class);
 		reloadConfig();
-		registerListeners();
 	}
 
 	private void registerListeners()
 	{
+		enabled = true;
 		final PluginManager pluginManager = ess.getServer().getPluginManager();
 		final JailBlockListener blockListener = new JailBlockListener();
 		final JailPlayerListener playerListener = new JailPlayerListener();
@@ -49,6 +50,24 @@ public class Jails extends AsyncStorageObjectHolder<com.earth2me.essentials.sett
 		return new File(ess.getDataFolder(), "jail.yml");
 	}
 
+	@Override
+	public void finishRead()
+	{
+		if (enabled == false && getCount() > 0)
+		{
+			registerListeners();
+		}
+	}
+
+	@Override
+	public void finishWrite()
+	{
+		if (enabled == false)
+		{
+			registerListeners();
+		}
+	}
+
 	@Override
 	public Location getJail(final String jailName) throws Exception
 	{
diff --git a/Essentials/src/com/earth2me/essentials/storage/AsyncStorageObjectHolder.java b/Essentials/src/com/earth2me/essentials/storage/AsyncStorageObjectHolder.java
index 31c61a63f..b651dd40b 100644
--- a/Essentials/src/com/earth2me/essentials/storage/AsyncStorageObjectHolder.java
+++ b/Essentials/src/com/earth2me/essentials/storage/AsyncStorageObjectHolder.java
@@ -79,7 +79,11 @@ public abstract class AsyncStorageObjectHolder<T extends StorageObject> implemen
 	{
 		new StorageObjectDataReader();
 	}
-
+	
+	public abstract void finishRead();
+	
+	public abstract void finishWrite();
+	
 	public abstract File getStorageFile();
 
 
@@ -101,6 +105,7 @@ public abstract class AsyncStorageObjectHolder<T extends StorageObject> implemen
 		public void onFinish()
 		{
 			unlock();
+			finishWrite();
 		}
 	}
 
@@ -126,6 +131,7 @@ public abstract class AsyncStorageObjectHolder<T extends StorageObject> implemen
 				data = object;
 			}
 			rwl.writeLock().unlock();
+			finishRead();
 		}
 
 		@Override