Meh, start a little work on the jailing command.

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

@@ -1,23 +1,33 @@
-package com.graywolf336.jail.command.commands;
-
-import org.bukkit.command.CommandSender;
-
-import com.graywolf336.jail.JailManager;
-import com.graywolf336.jail.command.Command;
-import com.graywolf336.jail.command.CommandInfo;
-
-@CommandInfo(
-		maxArgs = -1,
-		minimumArgs = 1,
-		needsPlayer = false,
-		pattern = "jail|j",
-		permission = "jail.command.jail",
-		usage = "/jail [name] (time) (j:Jail name) (c:Cell name) (r:Reason) (m:Muted)"
-	)
-public class JailCommand implements Command {
-
-	public boolean execute(JailManager jm, CommandSender sender, String... args) {
-		return true; //If they made it this far, the command is intact and ready to be processed. :)
-	}
-
-}
+package com.graywolf336.jail.command.commands;
+
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+import com.graywolf336.jail.JailManager;
+import com.graywolf336.jail.command.Command;
+import com.graywolf336.jail.command.CommandInfo;
+
+@CommandInfo(
+		maxArgs = -1,
+		minimumArgs = 1,
+		needsPlayer = false,
+		pattern = "jail|j",
+		permission = "jail.command.jail",
+		usage = "/jail [p:name] (t:time) (j:Jail name) (c:Cell name) (r:Reason) (m:Muted)"
+	)
+public class JailCommand implements Command {
+
+	public boolean execute(JailManager jm, CommandSender sender, String... args) {
+		Player p = jm.getPlugin().getServer().getPlayer(args[0]);
+		
+		//Player is not online
+		if(p == null) {
+			sender.sendMessage(args[0] + " is offline.");
+		}else {
+			//Player *is* online
+			sender.sendMessage(args[0] + " is online.");
+		}
+		
+		return true;
+	}
+}

src/main/resources/plugin.yml

@@ -15,7 +15,7 @@ commands:
         description: Remove existing jail zone
     jail:
         description: Jail specified player for specified amount of time.
-        usage: /jail [player name] (time) (jail name):(cell name) (reason)
+        usage: /jail [p:player] (t:time) (j:jail) (c:cell) (r:reason) (m:muted)
     unjail:
         description: Release a player from jail.
     unjailforce: