Added NickFilter.

src/me/StevenLawson/TotalFreedomMod/Commands/Command_nf.java

@@ -0,0 +1,96 @@
+package me.StevenLawson.TotalFreedomMod.Commands;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import org.apache.commons.lang.StringUtils;
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+@CommandPermissions(level = AdminLevel.OP, source = SourceType.BOTH)
+@CommandParameters(description = "NickFilter: Prefix any command with this command to replace nicknames in that command with real names. Nicknames should be prefixed with a !.", usage = "/<command> <other_command> !<playernick>")
+public class Command_nf extends TFM_Command
+{
+    @Override
+    public boolean run(CommandSender sender, Player sender_p, Command cmd, String commandLabel, String[] args, boolean senderIsConsole)
+    {
+        boolean nickMatched = false;
+
+        final List<String> outputCommand = new ArrayList<String>();
+
+        if (args.length >= 1)
+        {
+            final List<String> argsList = Arrays.asList(args);
+            for (String arg : argsList)
+            {
+                Player player = null;
+
+                Matcher matcher = Pattern.compile("^!(.+)$").matcher(arg);
+                if (matcher.find())
+                {
+                    String displayName = matcher.group(1);
+                    try
+                    {
+                        player = getPlayerByDisplayName(displayName);
+                    }
+                    catch (PlayerNotFoundException ex)
+                    {
+                        sender.sendMessage(ChatColor.GRAY + "Can't find player by nickname: " + displayName);
+                        return true;
+                    }
+                }
+
+                if (player == null)
+                {
+                    outputCommand.add(arg);
+                }
+                else
+                {
+                    nickMatched = true;
+                    outputCommand.add(player.getName());
+                }
+            }
+        }
+
+        if (!nickMatched)
+        {
+            sender.sendMessage("No nicknames replaced in command.");
+            return true;
+        }
+
+        Bukkit.dispatchCommand(sender, StringUtils.join(outputCommand, " "));
+
+        return true;
+    }
+
+    private static Player getPlayerByDisplayName(String needle) throws PlayerNotFoundException
+    {
+        needle = needle.toLowerCase().trim();
+
+        Integer minEditDistance = null;
+        Player minEditMatch = null;
+
+        for (Player player : Bukkit.getOnlinePlayers())
+        {
+            String haystack = player.getDisplayName().toLowerCase().trim();
+            int editDistance = StringUtils.getLevenshteinDistance(needle, haystack.toLowerCase());
+            if (minEditDistance == null || minEditDistance.intValue() > editDistance)
+            {
+                minEditDistance = editDistance;
+                minEditMatch = player;
+            }
+        }
+
+        if (minEditMatch == null)
+        {
+            throw new PlayerNotFoundException();
+        }
+
+        return minEditMatch;
+    }
+}