Using permission nodes throughout your plugins

In some cases you may want to check if a player has a specific permission from within your code. With the addition of a universal permission system within Bukkit, this couldn't have been easier. Looking at the Bukkit API docs, we can see that the Player object contains a hasPermission method which returns a boolean response. The method requires a string value which is the permission node that is being checked. We can place this method in an if statement similar to the one shown in the following code:

if (player.hasPermission("enchanter.enchant")) {
  //Add a level 10 Knockback enchantment
  Enchantment enchant = Enchantment.KNOCKBACK;
  hand.addUnsafeEnchantment(enchant, 10);
  player.sendMessage("Your item has been enchanted!");
} else {
  player.sendMessage("You do not have permission to enchant items
");
}

This block of code is unnecessary within our plugin because Bukkit can automatically handle player permissions for commands. To see a proper...