Update Bukkit for 1.3.1 changes

src/main/java/org/bukkit/command/defaults/DefaultGameModeCommand.java

@@ -0,0 +1,52 @@
+package org.bukkit.command.defaults;
+
+import org.bukkit.Bukkit;
+import org.bukkit.GameMode;
+import org.bukkit.command.CommandSender;
+
+public class DefaultGameModeCommand extends VanillaCommand {
+    public DefaultGameModeCommand() {
+        super("defaultgamemode");
+        this.description = "Set the default gamemode";
+        this.usageMessage = "/defaultgamemode <mode>";
+        this.setPermission("bukkit.command.defaultgamemode");
+    }
+
+    @Override
+    public boolean matches(String input) {
+        return input.equalsIgnoreCase(this.getName());
+    }
+
+    @Override
+    public boolean execute(CommandSender sender, String commandLabel, String[] args) {
+        if (args.length == 0) {
+            sender.sendMessage("Useage: " + usageMessage);
+            return false;
+        }
+
+        String modeArg = args[0];
+        int value = -1;
+
+        try {
+            value = Integer.parseInt(modeArg);
+        } catch (NumberFormatException ex) {}
+
+        GameMode mode = GameMode.getByValue(value);
+
+        if (mode == null) {
+            if (modeArg.equalsIgnoreCase("creative") || modeArg.equalsIgnoreCase("c")) {
+                mode = GameMode.CREATIVE;
+            } else if (modeArg.equalsIgnoreCase("adventure") || modeArg.equalsIgnoreCase("a")) {
+                mode = GameMode.ADVENTURE;
+            } else {
+                mode = GameMode.SURVIVAL;
+            }
+        }
+
+        Bukkit.getServer().setDefaultGameMode(mode);
+        sender.sendMessage("Default game mode set to " + mode.toString().toLowerCase());
+
+        return true;
+    }
+
+}