Add setclassprice command.

src/com/garbagemule/MobArena/commands/CommandHandler.java

@@ -202,6 +202,7 @@ public class CommandHandler implements CommandExecutor
 
         register(ListClassesCommand.class);
         register(SetClassCommand.class);
+        register(SetClassPriceCommand.class);
         register(RemoveClassCommand.class);
         register(ClassChestCommand.class);
         register(ListClassPermsCommand.class);

src/com/garbagemule/MobArena/commands/setup/SetClassPriceCommand.java

@@ -0,0 +1,70 @@
+package com.garbagemule.MobArena.commands.setup;
+
+import com.garbagemule.MobArena.ArenaClass;
+import com.garbagemule.MobArena.Messenger;
+import com.garbagemule.MobArena.Msg;
+import com.garbagemule.MobArena.commands.Command;
+import com.garbagemule.MobArena.commands.CommandInfo;
+import com.garbagemule.MobArena.commands.Commands;
+import com.garbagemule.MobArena.framework.ArenaMaster;
+import com.garbagemule.MobArena.util.TextUtils;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+@CommandInfo(
+    name    = "setclassprice",
+    pattern = "set(class)?price|fee",
+    usage   = "/ma setclassprice <classname> $<price>",
+    desc    = "set the price of a class",
+    permission = "mobarena.setup.classes"
+)
+public class SetClassPriceCommand implements Command
+{
+    @Override
+    public boolean execute(ArenaMaster am, CommandSender sender, String... args) {
+        // Require at least a class name
+        if (args.length < 1) return false;
+
+        // Grab the argument, if any.
+        String arg1 = args[0];
+        String arg2 = (args.length > 1 ? args[1] : "");
+
+        // Grab the class.
+        ArenaClass ac = am.getClasses().get(arg1);
+        if (ac == null) {
+            Messenger.tell(sender, "No class named '" + arg1 + "'.");
+            return true;
+        }
+
+        // Config-file value to set, and message to print
+        String value;
+        String msg;
+
+        if (!arg2.equals("")) {
+            // Strip the dollar sign, if it's there
+            if (arg2.startsWith("$")) {
+                arg2 = arg2.substring(1);
+            }
+
+            // Not a valid number? Bail!
+            if (!arg2.matches("([1-9]\\d*)|(\\d*.\\d\\d?)")) {
+                Messenger.tell(sender, "Could not parse price '" + arg2 + "'. Expected e.g. $10 or $2.50 or $.25");
+                return true;
+            }
+            double price = Double.parseDouble(arg2);
+
+            value = "$" + arg2;
+            msg = "Price for class '" + ac.getConfigName() + "' was set to " + am.getPlugin().economyFormat(price);
+        } else {
+            value = null;
+            msg = "Price for class '" + ac.getConfigName() + "' was removed. The class is now free!";
+        }
+
+        // Set the value, save and reload config
+        am.getPlugin().getConfig().set("classes." + ac.getConfigName() + ".price", value);
+        am.getPlugin().saveConfig();
+        am.loadClasses();
+        Messenger.tell(sender, msg);
+        return true;
+    }
+}