Make chat handling more thread safe (and also faster)

Essentials/src/com/earth2me/essentials/Settings.java

@@ -77,11 +77,17 @@ public class Settings implements ISettings
 	{
 		return config.getInt("sethome-multiple." + set, config.getInt("sethome-multiple.default", 3));
 	}
+	private int chatRadius = 0;
+
+	private int _getChatRadius()
+	{
+		return config.getInt("chat.radius", config.getInt("chat-radius", 0));
+	}
 
 	@Override
 	public int getChatRadius()
 	{
-		return config.getInt("chat.radius", config.getInt("chat-radius", 0));
+		return chatRadius;
 	}
 
 	@Override
@@ -113,19 +119,29 @@ public class Settings implements ISettings
 	{
 		return isCommandDisabled(cmd.getName());
 	}
+	private Set<String> disabledCommands = new HashSet<String>();
 
 	@Override
 	public boolean isCommandDisabled(String label)
 	{
+		return disabledCommands.contains(label);
+	}
+
+	private Set<String> getDisabledCommands()
+	{
+		Set<String> disCommands = new HashSet<String>();
 		for (String c : config.getStringList("disabled-commands"))
 		{
-			if (!c.equalsIgnoreCase(label))
+			disCommands.add(c.toLowerCase(Locale.ENGLISH));
-			{
-				continue;
-			}
-			return true;
 		}
-		return config.getBoolean("disable-" + label.toLowerCase(Locale.ENGLISH), false);
+		for (String c : config.getKeys(false))
+		{
+			if (c.startsWith("disable-"))
+			{
+				disCommands.add(c.substring(8).toLowerCase(Locale.ENGLISH));
+			}
+		}
+		return disCommands;
 	}
 
 	@Override
@@ -192,11 +208,17 @@ public class Settings implements ISettings
 		}
 		return cost;
 	}
+	private String nicknamePrefix = "~";
+
+	private String _getNicknamePrefix()
+	{
+		return config.getString("nickname-prefix", "~");
+	}
 
 	@Override
 	public String getNicknamePrefix()
 	{
-		return config.getString("nickname-prefix", "~");
+		return nicknamePrefix;
 	}
 
 	@Override
@@ -250,9 +272,15 @@ public class Settings implements ISettings
 		}
 		return null;
 	}
+	private ChatColor operatorColor = null;
 
 	@Override
-	public ChatColor getOperatorColor() throws Exception
+	public ChatColor getOperatorColor()
+	{
+		return operatorColor;
+	}
+
+	private ChatColor _getOperatorColor()
 	{
 		String colorName = config.getString("ops-name-color", null);
 
@@ -262,7 +290,7 @@ public class Settings implements ISettings
 		}
 		if ("none".equalsIgnoreCase(colorName) || colorName.isEmpty())
 		{
-			throw new Exception();
+			return null;
 		}
 
 		try
@@ -317,7 +345,7 @@ public class Settings implements ISettings
 	{
 		return config.getString("backup.command", null);
 	}
-	private Map<String, MessageFormat> chatFormats = new HashMap<String, MessageFormat>();
+	private Map<String, MessageFormat> chatFormats = Collections.synchronizedMap(new HashMap<String, MessageFormat>());
 
 	@Override
 	public MessageFormat getChatFormat(String group)
@@ -392,6 +420,17 @@ public class Settings implements ISettings
 		signUsePerSecond = _getSignUsePerSecond();
 		kits = _getKits();
 		chatFormats.clear();
+		changeDisplayName = _changeDisplayName();
+		disabledCommands = getDisabledCommands();
+		nicknamePrefix = _getNicknamePrefix();
+		operatorColor = _getOperatorColor();
+		changePlayerListName = _changePlayerListName();
+		configDebug = _isDebug();
+		prefixsuffixconfigured = _isPrefixSuffixConfigured();
+		addprefixsuffix = _addPrefixSuffix();
+		disablePrefix = _disablePrefix();
+		disableSuffix = _disableSuffix();
+		chatRadius = _getChatRadius();
 	}
 	private List<Integer> itemSpawnBl = new ArrayList<Integer>();
 
@@ -479,11 +518,17 @@ public class Settings implements ISettings
 		return config.getBoolean("protect.disable.warn-on-build-disallow", false);
 	}
 	private boolean debug = false;
+	private boolean configDebug = false;
+
+	private boolean _isDebug()
+	{
+		return config.getBoolean("debug", false);
+	}
 
 	@Override
 	public boolean isDebug()
 	{
-		return debug || config.getBoolean("debug", false);
+		return debug || configDebug;
 	}
 
 	@Override
@@ -610,43 +655,79 @@ public class Settings implements ISettings
 	{
 		return config.getBoolean("remove-god-on-disconnect", false);
 	}
+	private boolean changeDisplayName = true;
 
-	@Override
+	private boolean _changeDisplayName()
-	public boolean changeDisplayName()
 	{
 		return config.getBoolean("change-displayname", true);
 	}
 
 	@Override
-	public boolean changePlayerListName()
+	public boolean changeDisplayName()
+	{
+		return changeDisplayName;
+	}
+	private boolean changePlayerListName = false;
+
+	private boolean _changePlayerListName()
 	{
 		return config.getBoolean("change-playerlist", false);
 	}
 
+	@Override
+	public boolean changePlayerListName()
+	{
+		return changePlayerListName;
+	}
+
 	@Override
 	public boolean useBukkitPermissions()
 	{
 		return config.getBoolean("use-bukkit-permissions", false);
 	}
+	private boolean prefixsuffixconfigured = false;
+	private boolean addprefixsuffix = false;
+
+	private boolean _addPrefixSuffix()
+	{
+		return config.getBoolean("add-prefix-suffix", false);
+	}
+
+	private boolean _isPrefixSuffixConfigured()
+	{
+		return config.hasProperty("add-prefix-suffix");
+	}
 
 	@Override
 	public boolean addPrefixSuffix()
 	{
-		return config.getBoolean("add-prefix-suffix", ess.getServer().getPluginManager().isPluginEnabled("EssentialsChat"));
+		return prefixsuffixconfigured ? addprefixsuffix : ess.getServer().getPluginManager().isPluginEnabled("EssentialsChat");
 	}
+	private boolean disablePrefix = false;
 
-	@Override
+	private boolean _disablePrefix()
-	public boolean disablePrefix()
 	{
 		return config.getBoolean("disablePrefix", false);
 	}
 
 	@Override
-	public boolean disableSuffix()
+	public boolean disablePrefix()
+	{
+		return disablePrefix;
+	}
+	private boolean disableSuffix = false;
+
+	private boolean _disableSuffix()
 	{
 		return config.getBoolean("disableSuffix", false);
 	}
 
+	@Override
+	public boolean disableSuffix()
+	{
+		return disableSuffix;
+	}
+
 	@Override
 	public long getAutoAfk()
 	{
@@ -713,7 +794,7 @@ public class Settings implements ISettings
 	{
 		return config.getBoolean("world-teleport-permissions", false);
 	}
-	
+
 	@Override
 	public boolean isWorldHomePermissions()
 	{
@@ -800,38 +881,35 @@ public class Settings implements ISettings
 	{
 		return (config.getLong("teleport-invulnerability", 0) > 0);
 	}
-	
+
 	@Override
 	public boolean isTeleportInvulnerability()
 	{
 		return teleportInvulnerability;
 	}
-	
 	private long loginAttackDelay;
-	
+
 	private long _getLoginAttackDelay()
 	{
 		return config.getLong("login-attack-delay", 0) * 1000;
 	}
-	
+
 	@Override
 	public long getLoginAttackDelay()
 	{
 		return loginAttackDelay;
 	}
-	
 	private int signUsePerSecond;
-	
+
 	private int _getSignUsePerSecond()
 	{
 		final int perSec = config.getInt("sign-use-per-second", 4);
 		return perSec > 0 ? perSec : 1;
 	}
-	
+
 	@Override
 	public int getSignUsePerSecond()
 	{
 		return signUsePerSecond;
 	}
-	
 }

Essentials/src/com/earth2me/essentials/User.java

@@ -7,6 +7,7 @@ import java.util.Calendar;
 import java.util.GregorianCalendar;
 import java.util.logging.Level;
 import java.util.logging.Logger;
+import org.bukkit.ChatColor;
 import org.bukkit.Location;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
@@ -284,10 +285,10 @@ public class User extends UserData implements Comparable<User>, IReplyTo, IUser
 		{
 			try
 			{
-				final String opPrefix = ess.getSettings().getOperatorColor().toString();
+				final ChatColor opPrefix = ess.getSettings().getOperatorColor();
-				if (opPrefix.length() > 0)
+				if (opPrefix != null && opPrefix.toString().length() > 0)
 				{
-					prefix.insert(0, opPrefix);
+					prefix.insert(0, opPrefix.toString());
 					suffix = "§f";
 				}
 			}
@@ -325,7 +326,8 @@ public class User extends UserData implements Comparable<User>, IReplyTo, IUser
 		{
 			output = Util.lastCode(strPrefix) + nickname.substring(0, 14);
 		}
-		if (output.charAt(output.length() - 1) == '§') {
+		if (output.charAt(output.length() - 1) == '§')
+		{
 			output = output.substring(0, output.length() - 1);
 		}
 		return output;
@@ -639,7 +641,7 @@ public class User extends UserData implements Comparable<User>, IReplyTo, IUser
 	{
 		return vanished;
 	}
-	
+
 	public void setVanished(final boolean set)
 	{
 		vanished = set;
@@ -671,21 +673,23 @@ public class User extends UserData implements Comparable<User>, IReplyTo, IUser
 		final boolean set = !vanished;
 		this.setVanished(set);
 	}
-	
+
-	public boolean checkSignThrottle() {
+	public boolean checkSignThrottle()
-		if (isSignThrottled()) {
+	{
+		if (isSignThrottled())
+		{
 			return true;
 		}
 		updateThrottle();
 		return false;
 	}
-	
+
 	public boolean isSignThrottled()
 	{
 		final long minTime = lastThrottledAction + (1000 / ess.getSettings().getSignUsePerSecond());
 		return (System.currentTimeMillis() < minTime);
 	}
-	
+
 	public void updateThrottle()
 	{
 		lastThrottledAction = System.currentTimeMillis();;

Essentials/src/com/earth2me/essentials/UserData.java

@@ -440,14 +440,14 @@ public abstract class UserData extends PlayerExtension implements IConf
 
 	public List<String> getIgnoredPlayers()
 	{
-		return config.getStringList("ignore");
+		return Collections.synchronizedList(config.getStringList("ignore"));
 	}
 
 	public void setIgnoredPlayers(List<String> players)
 	{
 		if (players == null || players.isEmpty())
 		{
-			ignoredPlayers = new ArrayList<String>();
+			ignoredPlayers = Collections.synchronizedList(new ArrayList<String>());
 			config.removeProperty("ignore");
 		}
 		else
@@ -466,7 +466,7 @@ public abstract class UserData extends PlayerExtension implements IConf
 		{
 			return false;
 		}
-		return isIgnoredPlayer(user);		
+		return isIgnoredPlayer(user);
 	}
 
 	public boolean isIgnoredPlayer(IUser user)

EssentialsChat/src/com/earth2me/essentials/chat/EssentialsChatPlayerListenerLowest.java

@@ -3,6 +3,7 @@ package com.earth2me.essentials.chat;
 import com.earth2me.essentials.IEssentials;
 import com.earth2me.essentials.User;
 import com.earth2me.essentials.Util;
+import java.text.MessageFormat;
 import java.util.Locale;
 import java.util.Map;
 import org.bukkit.Server;
@@ -40,9 +41,13 @@ public class EssentialsChatPlayerListenerLowest extends EssentialsChatPlayer
 		event.setMessage(Util.formatMessage(user, "essentials.chat", event.getMessage()));
 		String group = user.getGroup();
 		String world = user.getWorld().getName();
-		event.setFormat(ess.getSettings().getChatFormat(group).format(new Object[]
+		MessageFormat format = ess.getSettings().getChatFormat(group);
-				{
+		synchronized (format)
-					group, world, world.substring(0, 1).toUpperCase(Locale.ENGLISH)
+		{
-				}));
+			event.setFormat(format.format(new Object[]
+					{
+						group, world, world.substring(0, 1).toUpperCase(Locale.ENGLISH)
+					}));
+		}
 	}
 }