More work on tab completion, see details.. #77

Completed:
- Jail check
- jail clear
- jail createcell
- jail deletecell
- Jail list
- jail listcells
- jail mute

src/main/java/com/graywolf336/jail/JailMain.java

@@ -204,12 +204,16 @@ public class JailMain extends JavaPlugin {
             getServer().getConsoleSender().sendMessage(Lang.PLUGINNOTLOADED.get());
         }else {
             debug("Tab Complete Args (" + args.length + ") for '" + commandLabel + "': " + Util.getStringFromArray(", ", args));
+            try {
                 if(commandLabel.equalsIgnoreCase("jail") || commandLabel.equalsIgnoreCase("j")) {
                     return jh.parseTabComplete(jm, sender, args);
                 }else {
                     //cmdHand.handleCommand(jm, sender, command.getName().toLowerCase(), args);
                     //unjail,etc
                 }
+            }catch(Exception e) {
+                return Collections.emptyList();
+            }
         }
         
         return Collections.emptyList();

src/main/java/com/graywolf336/jail/JailManager.java

@@ -1,8 +1,11 @@
 package com.graywolf336.jail;
 
+import java.util.ArrayList;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.LinkedList;
+import java.util.List;
 import java.util.UUID;
 
 import org.bukkit.Location;
@@ -81,6 +84,18 @@ public class JailManager {
         return toReturn;
     }
     
+    /** Returns a List of the jail names. */
+    public List<String> getJailNamesAsList() {
+        List<String> results = new ArrayList<String>();
+        
+        for(Jail j : this.jails.values())
+            results.add(j.getName());
+        
+        Collections.sort(results);
+        
+        return results;
+    }
+
     /**
      * Adds a jail to the collection of them.
      * 

src/main/java/com/graywolf336/jail/command/Command.java

@@ -1,5 +1,7 @@
 package com.graywolf336.jail.command;
 
+import java.util.List;
+
 import org.bukkit.command.CommandSender;
 
 import com.graywolf336.jail.JailManager;
@@ -9,7 +11,7 @@ import com.graywolf336.jail.JailManager;
  * 
  * @author graywolf336
  * @since 3.0.0
- * @version 1.0.0
+ * @version 1.1.0
  */
 public interface Command {
     /**
@@ -28,4 +30,6 @@ public interface Command {
      * @return True if the method handled it in any way, false if we should send the usage message.
      */
     public boolean execute(JailManager jm, CommandSender sender, String... args) throws Exception;
+    
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception;
 }

src/main/java/com/graywolf336/jail/command/JailHandler.java

@@ -8,6 +8,7 @@ import java.util.Map.Entry;
 
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
+import org.bukkit.util.StringUtil;
 
 import com.graywolf336.jail.JailMain;
 import com.graywolf336.jail.JailManager;
@@ -49,9 +50,10 @@ public class JailHandler {
         plugin.debug("Loaded " + commands.size() + " sub-commands of /jail.");
     }
     
-    public List<String> parseTabComplete(JailManager jm, CommandSender sender, String[] args) {
+    public List<String> parseTabComplete(JailManager jm, CommandSender sender, String[] args) throws Exception {
-        if(args[0].equalsIgnoreCase("")) {
+        if(args[0].equalsIgnoreCase("") || args.length == 1) {
             List<String> results = new ArrayList<String>();
+            String arg0 = args[0].toLowerCase();
             boolean hasJailPermission = false;
             
             for(Command c : commands.values()) {
@@ -65,7 +67,10 @@ public class JailHandler {
                 //Skip if the command requires a player and the sender isn't a player
                 if(i.needsPlayer() && !(sender instanceof Player)) continue;
                 
-                if(sender.hasPermission(i.permission())) {
+                //If the sender has permission to the command
+                //and the first argument (sub command) is empty OR
+                //the first argument matches the command or starts with the string
+                if(sender.hasPermission(i.permission()) && (arg0.equalsIgnoreCase("") || (arg0.toLowerCase().matches(i.pattern()) || i.pattern().startsWith(arg0)))) {
                     results.add(i.pattern().split("\\|")[0]);
                 }
             }
@@ -74,11 +79,34 @@ public class JailHandler {
             Collections.sort(results);
             
             //Don't send out all the players if they don't have jail permission
-            if(hasJailPermission)
+            if(hasJailPermission) {
-                for(Player p : jm.getPlugin().getServer().getOnlinePlayers())
+                for(Player p : jm.getPlugin().getServer().getOnlinePlayers()) {
+                    if(arg0.equalsIgnoreCase("") || StringUtil.startsWithIgnoreCase(p.getName(), arg0))
                         results.add(p.getName());
+                }
+            }
             
             return results;
+        }else {
+            String arg0 = args[0].toLowerCase();
+            
+            for(Command c : commands.values()) {
+                CommandInfo i = c.getClass().getAnnotation(CommandInfo.class);
+                
+                //Skip if the command requires a player and the sender isn't a player
+                if(i.needsPlayer() && !(sender instanceof Player)) continue;
+                
+                //If the sender doesn't have permission, we won't send them further
+                if(!sender.hasPermission(i.permission())) continue;
+                
+                //Sender provided too many arguments which means there
+                //is nothing to tab complete
+                if(i.maxArgs() != -1 && i.maxArgs() < args.length - 1) continue;
+                
+                if(arg0.toLowerCase().matches(i.pattern())) {
+                    return c.provideTabCompletions(jm, sender, args);
+                }
+            }
         }
         
         return Collections.emptyList();

src/main/java/com/graywolf336/jail/command/commands/HandCuffCommand.java

@@ -1,5 +1,8 @@
 package com.graywolf336.jail.command.commands;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
@@ -38,4 +41,9 @@ public class HandCuffCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //TODO implement
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/commands/ToggleJailDebugCommand.java

@@ -1,5 +1,8 @@
 package com.graywolf336.jail.command.commands;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 
@@ -21,4 +24,9 @@ public class ToggleJailDebugCommand implements Command {
         sender.sendMessage("Jail debugging is now: " + (debug ? ChatColor.GREEN + "enabled" : ChatColor.RED + "disabled"));
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //No tab completion required for toggling debug command
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/commands/UnHandCuffCommand.java

@@ -1,5 +1,8 @@
 package com.graywolf336.jail.command.commands;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
@@ -32,4 +35,9 @@ public class UnHandCuffCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //TODO implement
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/commands/UnJailCommand.java

@@ -1,5 +1,8 @@
 package com.graywolf336.jail.command.commands;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
@@ -60,4 +63,9 @@ public class UnJailCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //TODO implement
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/commands/UnJailForceCommand.java

@@ -1,5 +1,8 @@
 package com.graywolf336.jail.command.commands;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 
@@ -34,4 +37,9 @@ public class UnJailForceCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //TODO implement
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailCheckCommand.java

@@ -1,7 +1,12 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
+import org.bukkit.util.StringUtil;
 
 import com.graywolf336.jail.JailManager;
 import com.graywolf336.jail.beans.Prisoner;
@@ -36,4 +41,19 @@ public class JailCheckCommand implements Command{
         return true;
     }
 
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        List<String> results = new ArrayList<String>();
+        
+        for(Prisoner p : jm.getAllPrisoners().values()) {
+            if(args.length == 2 && StringUtil.startsWithIgnoreCase(p.getLastKnownName(), args[1].toLowerCase())) {
+                results.add(p.getLastKnownName());
+            }else {
+                results.add(p.getLastKnownName());
+            }
+        }
+        
+        Collections.sort(results);
+        
+        return results;
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailClearCommand.java

@@ -1,9 +1,15 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.command.CommandSender;
+import org.bukkit.util.StringUtil;
 
 import com.graywolf336.jail.JailManager;
 import com.graywolf336.jail.beans.ConfirmPlayer;
+import com.graywolf336.jail.beans.Jail;
 import com.graywolf336.jail.command.Command;
 import com.graywolf336.jail.command.CommandInfo;
 import com.graywolf336.jail.enums.Confirmation;
@@ -38,4 +44,21 @@ public class JailClearCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        List<String> results = new ArrayList<String>();
+        
+        for(Jail j : jm.getJails()) {
+            if((args.length == 2 && StringUtil.startsWithIgnoreCase(j.getName(), args[1]))
+                    || (args.length == 3 && StringUtil.startsWithIgnoreCase(j.getName(), args[2]))) {
+                results.add(j.getName());
+            }else {
+                results.add(j.getName());
+            }
+        }
+        
+        Collections.sort(results);
+        
+        return results;
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailCommand.java

@@ -1,6 +1,7 @@
 package com.graywolf336.jail.command.subcommands;
 
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.LinkedList;
 import java.util.List;
 
@@ -245,4 +246,9 @@ public class JailCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //TODO implement (this'll take a while)
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailConfirmCommand.java

@@ -1,5 +1,8 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.command.CommandSender;
 
 import com.graywolf336.jail.JailManager;
@@ -88,4 +91,8 @@ public class JailConfirmCommand implements Command{
         return true;
     }
 
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //confirming doesn't require any tab completing
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailCreateCellCommand.java

@@ -1,8 +1,13 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
+import org.bukkit.util.StringUtil;
 
 import com.graywolf336.jail.JailManager;
 import com.graywolf336.jail.beans.Jail;
@@ -63,4 +68,22 @@ public class JailCreateCellCommand implements Command {
         return true;
     }
 
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //We shouldn't provide when they want a cell name
+        if(args.length >= 3) return Collections.emptyList();
+        
+        List<String> results = new ArrayList<String>();
+        
+        for(Jail j : jm.getJails()) {
+            if(args.length == 2 && StringUtil.startsWithIgnoreCase(j.getName(), args[1])) {
+                results.add(j.getName());
+            }else {
+                results.add(j.getName());
+            }
+        }
+        
+        Collections.sort(results);
+        
+        return results;
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailCreateCommand.java

@@ -1,5 +1,8 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
@@ -45,4 +48,9 @@ public class JailCreateCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //Creating a jail shouldn't provide tab completion
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailDeleteCellCommand.java

@@ -1,9 +1,16 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.command.CommandSender;
+import org.bukkit.util.StringUtil;
 
 import com.graywolf336.jail.JailManager;
+import com.graywolf336.jail.beans.Cell;
 import com.graywolf336.jail.beans.ConfirmPlayer;
+import com.graywolf336.jail.beans.Jail;
 import com.graywolf336.jail.command.Command;
 import com.graywolf336.jail.command.CommandInfo;
 import com.graywolf336.jail.enums.Confirmation;
@@ -28,4 +35,32 @@ public class JailDeleteCellCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        List<String> results = new ArrayList<String>();
+        
+        switch(args.length) {
+            case 1:
+                results.addAll(jm.getJailNamesAsList());
+                break;
+            case 2:
+                for(Jail j : jm.getJails())
+                    if(StringUtil.startsWithIgnoreCase(j.getName(), args[1]))
+                        results.add(j.getName());
+                break;
+            case 3:
+                if(jm.isValidJail(args[1])) {
+                    Jail j = jm.getJail(args[1]);
+                    
+                    for(Cell c : j.getCells())
+                        if(StringUtil.startsWithIgnoreCase(c.getName(), args[2]))
+                            results.add(c.getName());
+                }
+                break;
+        }
+        
+        Collections.sort(results);
+        
+        return results;
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailDeleteCellsCommand.java

@@ -1,5 +1,8 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.command.CommandSender;
 
 import com.graywolf336.jail.JailManager;
@@ -28,4 +31,9 @@ public class JailDeleteCellsCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //TODO implement
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailDeleteCommand.java

@@ -1,5 +1,8 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.command.CommandSender;
 
 import com.graywolf336.jail.JailManager;
@@ -28,4 +31,9 @@ public class JailDeleteCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //TODO implement
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailHelpCommand.java

@@ -1,5 +1,8 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 
@@ -21,4 +24,9 @@ public class JailHelpCommand implements Command {
         sender.sendMessage(ChatColor.GREEN + "https://github.com/graywolf336/Jail/wiki/Commands");
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //TODO implement
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailListCellsCommand.java

@@ -1,7 +1,12 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
+import org.bukkit.util.StringUtil;
 
 import com.graywolf336.jail.JailManager;
 import com.graywolf336.jail.beans.Cell;
@@ -51,4 +56,20 @@ public class JailListCellsCommand implements Command {
         sender.sendMessage(ChatColor.AQUA + "-------------------------");
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        List<String> results = new ArrayList<String>();
+        
+        for(Jail j : jm.getJails()) {
+            if(args.length == 2 && StringUtil.startsWithIgnoreCase(j.getName(), args[1])) {
+                results.add(j.getName());
+            }else {
+                results.add(j.getName());
+            }
+        }
+        
+        Collections.sort(results);
+        
+        return results;
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailListCommand.java

@@ -1,9 +1,13 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
 
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
+import org.bukkit.util.StringUtil;
 
 import com.graywolf336.jail.JailManager;
 import com.graywolf336.jail.beans.Jail;
@@ -61,4 +65,20 @@ public class JailListCommand implements Command {
         sender.sendMessage(ChatColor.AQUA + "-------------------------");
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        List<String> results = new ArrayList<String>();
+        
+        for(Jail j : jm.getJails()) {
+            if(args.length == 2 && StringUtil.startsWithIgnoreCase(j.getName(), args[1])) {
+                results.add(j.getName());
+            }else {
+                results.add(j.getName());
+            }
+        }
+        
+        Collections.sort(results);
+        
+        return results;
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailMuteCommand.java

@@ -1,6 +1,12 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.bukkit.util.StringUtil;
 
 import com.graywolf336.jail.JailManager;
 import com.graywolf336.jail.command.Command;
@@ -35,4 +41,19 @@ public class JailMuteCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        switch(args.length) {
+            case 2:
+                List<String> results = new ArrayList<String>();
+                for(Player p : jm.getPlugin().getServer().getOnlinePlayers())
+                    if(StringUtil.startsWithIgnoreCase(p.getName(), args[1].toLowerCase()))
+                        results.add(p.getName());
+                
+                Collections.sort(results);
+                return results;
+            default:
+                return Collections.emptyList();
+        }
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailPayCommand.java

@@ -1,5 +1,7 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.Collections;
+import java.util.List;
 import java.util.concurrent.TimeUnit;
 
 import org.bukkit.ChatColor;
@@ -206,4 +208,9 @@ public class JailPayCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //TODO implement
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailRecordCommand.java

@@ -1,5 +1,6 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.Collections;
 import java.util.List;
 
 import org.bukkit.command.CommandSender;
@@ -42,4 +43,9 @@ public class JailRecordCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //TODO implement
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailReloadCommand.java

@@ -1,5 +1,8 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 
@@ -28,4 +31,9 @@ public class JailReloadCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //Reloading the plugin doesn't require tab completions
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailStatusCommand.java

@@ -1,5 +1,8 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
@@ -35,4 +38,8 @@ public class JailStatusCommand implements Command{
         return true;
     }
 
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //Checking your jail status doesn't require tab completion
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailStickCommand.java

@@ -1,5 +1,8 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
@@ -33,4 +36,9 @@ public class JailStickCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //Nothing to tab complete on jail stick
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailStopCommand.java

@@ -1,5 +1,8 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 
@@ -37,4 +40,9 @@ public class JailStopCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //no tab completion required for stop command
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailTeleInCommand.java

@@ -1,5 +1,8 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
@@ -51,4 +54,9 @@ public class JailTeleInCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //TODO implement
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailTeleOutCommand.java

@@ -1,5 +1,8 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
@@ -51,4 +54,9 @@ public class JailTeleOutCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //TODO implement
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailTimeCommand.java

@@ -1,5 +1,8 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.command.CommandSender;
 
 import com.graywolf336.jail.JailManager;
@@ -52,4 +55,9 @@ public class JailTimeCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //TODO implement
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailTransferAllCommand.java

@@ -1,6 +1,8 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.Collections;
 import java.util.HashSet;
+import java.util.List;
 
 import org.bukkit.command.CommandSender;
 
@@ -53,4 +55,9 @@ public class JailTransferAllCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //TODO implement
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailTransferCommand.java

@@ -1,6 +1,7 @@
 package com.graywolf336.jail.command.subcommands;
 
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.LinkedList;
 import java.util.List;
 
@@ -136,4 +137,9 @@ public class JailTransferCommand implements Command {
 
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //TODO implement
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailVersionCommand.java

@@ -1,5 +1,8 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.command.CommandSender;
 
 import com.graywolf336.jail.JailManager;
@@ -23,4 +26,8 @@ public class JailVersionCommand implements Command {
         return true;
     }
 
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //no tab completion required for version command
+        return Collections.emptyList();
+    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailVoteCommand.java

@@ -1,5 +1,8 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.Collections;
+import java.util.List;
+
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
@@ -97,4 +100,9 @@ public class JailVoteCommand implements Command {
         
         return true;
     }
+
+    public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
+        //TODO implement
+        return Collections.emptyList();
+    }
 }