Adding permissions for overwriting exisitng warps

essentials.warp.overwrite.[warpname] will allow overwrting of exsiting warps
essentials.warp.overwrite.* for all warps
Adding WarpNotFoundException class

Essentials/src/com/earth2me/essentials/commands/Commandsetwarp.java

@@ -2,6 +2,7 @@ package com.earth2me.essentials.commands;
 
 import static com.earth2me.essentials.I18n._;
 import com.earth2me.essentials.User;
+import com.earth2me.essentials.Warps;
 import org.bukkit.Location;
 import org.bukkit.Server;
 
@@ -26,7 +27,25 @@ public class Commandsetwarp extends EssentialsCommand
 		}
 
 		final Location loc = user.getLocation();
-		ess.getWarps().setWarp(args[0], loc);
+		final Warps warps = ess.getWarps();
+		Location warpLoc = null;
+
+		try
+		{
+			warpLoc = warps.getWarp(args[0]);
+		}
+		catch (WarpNotFoundException ex)
+		{
+		}
+
+		if (warpLoc == null || user.hasPermission("essentials.warp.overwrite." + args[0]))
+		{
+			warps.setWarp(args[0], loc);
+		}
+		else
+		{
+			throw new Exception(_("warpOverwrite"));
+		}
 		user.sendMessage(_("warpSet", args[0]));
 	}
 }

Essentials/src/com/earth2me/essentials/commands/WarpNotFoundException.java

@@ -0,0 +1,15 @@
+package com.earth2me.essentials.commands;
+
+
+public class WarpNotFoundException extends Exception
+{
+	public WarpNotFoundException()
+	{
+		super("Warp not found");
+	}
+	
+	public WarpNotFoundException(String message)
+	{
+		super(message);
+	}
+}

Essentials/src/messages.properties

@@ -386,6 +386,7 @@ voiceSilenced=\u00a77Your voice has been silenced
 warpDeleteError=Problem deleting the warp file.
 warpListPermission=\u00a7cYou do not have Permission to list warps.
 warpNotExist=That warp does not exist.
+warpOverwrite=\u00a7cYou cannot overwrite that warp.
 warpSet=\u00a77Warp {0} set.
 warpUsePermission=\u00a7cYou do not have Permission to use that warp.
 warpingTo=\u00a77Warping to {0}.

Essentials/src/messages_da.properties

@@ -386,6 +386,7 @@ voiceSilenced=\u00a77Din stemme er blevet gjort stille.
 warpDeleteError=Ah, shit; kunne sgu ikke fjerne warp-filen. Jeg giver en \u00c3\u00b8l i lufthavnen.
 warpListPermission=\u00a7cDu har ikke tilladelse til at vise listen over warps.
 warpNotExist=Den warp eksisterer ikke.
+warpOverwrite=\u00a7cYou cannot overwrite that warp.
 warpSet=\u00a77Warp {0} sat.
 warpUsePermission=\u00a7cDu har ikke tilladelse til at benytte den warp.
 warpingTo=\u00a77Warper til {0}.

Essentials/src/messages_de.properties

@@ -386,6 +386,7 @@ voiceSilenced=\u00a77Du bist stumm
 warpDeleteError=Fehler beim L\u00f6schen der Warp-Datei.
 warpListPermission=\u00a7cDu hast keine Berechtigung, die Warp-Punkte anzuzeigen.
 warpNotExist=Warp-Punkt existiert nicht.
+warpOverwrite=\u00a7cYou cannot overwrite that warp.
 warpSet=\u00a77Warp-Punkt {0} wurde erstellt.
 warpUsePermission=\u00a7cDu hast keinen Zugriff f\u00fcr diesen Warp-Punkt.
 warpingTo=\u00a77Teleportiere zu Warp-Punkt {0}.

Essentials/src/messages_en.properties

@@ -386,6 +386,7 @@ voiceSilenced=\u00a77Your voice has been silenced
 warpDeleteError=Problem deleting the warp file.
 warpListPermission=\u00a7cYou do not have Permission to list that warps.
 warpNotExist=That warp does not exist.
+warpOverwrite=\u00a7cYou cannot overwrite that warp.
 warpSet=\u00a77Warp {0} set.
 warpUsePermission=\u00a7cYou do not have Permission to use that warp.
 warpingTo=\u00a77Warping to {0}.

Essentials/src/messages_es.properties

@@ -386,6 +386,7 @@ voiceSilenced=\u00a77Tu voz ha sido silenciada
 warpDeleteError=Problema al borrar el archivo de teletransporte.
 warpListPermission=\u00a7cNo tienes permiso para listar esos teletransportes.
 warpNotExist=Ese teletransporte no existe.
+warpOverwrite=\u00a7cYou cannot overwrite that warp.
 warpSet=\u00a77Teletransporte {0} establecido.
 warpUsePermission=\u00a7cNo tienes permisos para usar ese teletransporte.
 warpingTo=\u00a77Teletransportandote a {0}.

Essentials/src/messages_fr.properties

@@ -386,6 +386,7 @@ voiceSilenced=\u00a77Vous avez \u00e9t\u00e9 r\u00e9duit au silence.
 warpDeleteError=Probl\u00c3\u00a8me concernant la suppression du fichier warp.
 warpListPermission=\u00a7cVous n'avez pas la permission d'afficher la liste des points de t\u00e9l\u00e9portation.
 warpNotExist=Ce point de t\u00e9l\u00e9portation n'existe pas.
+warpOverwrite=\u00a7cYou cannot overwrite that warp.
 warpSet=\u00a77Le point de t\u00e9l\u00e9portation {0} a \u00e9t\u00e9 cr\u00e9\u00e9.
 warpUsePermission=\u00a7cVous n'avez pas la permission d'utiliser ce point de t\u00e9l\u00e9portation.
 warpingTo=\u00a77T\u00e9l\u00e9portation vers {0}.

Essentials/src/messages_nl.properties

@@ -386,6 +386,7 @@ voiceSilenced=\u00a77Je kan niet meer praten
 warpDeleteError=Fout bij het verwijderen van het warp bestand.
 warpListPermission=\u00a7cJe hebt geen toegang om die warp te maken.
 warpNotExist=Die warp bestaat niet.
+warpOverwrite=\u00a7cYou cannot overwrite that warp.
 warpSet=\u00a77Warp {0} ingesteld.
 warpUsePermission=\u00a7cOnbevoegd om die warp te gebruiken.
 warpingTo=\u00a77Aan het warpen naar {0}.