Now checks farm locations before saving to file as to prevent save fails.

You can now give level 1 farm items using the command by providing no arguments.
The give command will now provide helpful feedback on mistype and will also provide the recipient with a message on command success.

src/main/java/com/songoda/epicfarming/EpicFarming.java

@@ -36,24 +36,26 @@ public class EpicFarming extends JavaPlugin implements Listener {
     public SettingsManager settingsManager;
     public References references;
     public HookHandler hooks;
-
-    private ConfigWrapper langFile = new ConfigWrapper(this, "", "lang.yml");
-
     public boolean v1_10 = Bukkit.getServer().getClass().getPackage().getName().contains("1_10");
     public boolean v1_9 = Bukkit.getServer().getClass().getPackage().getName().contains("1_9");
     public boolean v1_7 = Bukkit.getServer().getClass().getPackage().getName().contains("1_7");
     public boolean v1_8 = Bukkit.getServer().getClass().getPackage().getName().contains("1_8");
-
+    public ConfigWrapper dataFile = new ConfigWrapper(this, "", "data.yml");
+    private ConfigWrapper langFile = new ConfigWrapper(this, "", "lang.yml");
     private Locale locale;
-
     private FarmingHandler farmingHandler;
     private GrowthHandler growthHandler;
-
     private FarmManager farmManager;
     private LevelManager levelManager;
     private PlayerActionManager playerActionManager;
 
-    public ConfigWrapper dataFile = new ConfigWrapper(this, "", "data.yml");
+    public static EpicFarming pl() {
+        return INSTANCE;
+    }
+
+    public static EpicFarming getInstance() {
+        return INSTANCE;
+    }
 
     public void onEnable() {
         INSTANCE = this;
@@ -87,7 +89,7 @@ public class EpicFarming extends JavaPlugin implements Listener {
                 Location location = Arconix.pl().getApi().serialize().unserializeLocation(locationStr);
                 int level = dataFile.getConfig().getInt("Farms." + locationStr + ".level");
 
-                List<ItemStack> items = (List<ItemStack>)dataFile.getConfig().getList("Farms." + locationStr + ".Contents");
+                List<ItemStack> items = (List<ItemStack>) dataFile.getConfig().getList("Farms." + locationStr + ".Contents");
 
                 Farm farm = new Farm(location, levelManager.getLevel(level));
                 farm.loadInventory(items);
@@ -166,6 +168,8 @@ public class EpicFarming extends JavaPlugin implements Listener {
          * Dump FarmManager to file.
          */
         for (Farm farm : farmManager.getFarms().values()) {
+            if (farm.getLocation() == null
+                    || farm.getLocation().getWorld() == null) continue;
             String locationStr = Arconix.pl().getApi().serialize().serializeLocation(farm.getLocation());
             dataFile.getConfig().set("Farms." + locationStr + ".level", farm.getLevel().getLevel());
             dataFile.getConfig().set("Farms." + locationStr + ".Contents", farm.dumpInventory());
@@ -240,14 +244,6 @@ public class EpicFarming extends JavaPlugin implements Listener {
         dataFile.saveConfig();
     }
 
-    public static EpicFarming pl() {
-        return INSTANCE;
-    }
-
-    public static EpicFarming getInstance() {
-        return INSTANCE;
-    }
-
     public Locale getLocale() {
         return locale;
     }

src/main/java/com/songoda/epicfarming/handlers/CommandHandler.java

@@ -46,14 +46,13 @@ public class CommandHandler implements CommandExecutor {
                     sender.sendMessage(instance.references.getPrefix() + instance.getLocale().getMessage("event.general.nopermission"));
                     return true;
                 }
-                //ToDo: add the ability to specify level.
                 if (args.length >= 1) {
-                    if (!(sender instanceof Player) && args.length == 1) return true;
+                    if (!(sender instanceof Player)) return true;
 
                     Level level = instance.getLevelManager().getLowestLevel();
                     Player player;
                     if (args.length != 1 && Bukkit.getPlayer(args[1]) == null) {
-                        sender.sendMessage("Not a player...");
+                        sender.sendMessage(instance.references.getPrefix() + Arconix.pl().getApi().format().formatText("&cThat player does not exist or is currently offline."));
                         return true;
                     } else if (args.length == 1) {
                         player = (Player)sender;
@@ -63,12 +62,14 @@ public class CommandHandler implements CommandExecutor {
 
 
                     if (args.length >= 3 && !instance.getLevelManager().isLevel(Integer.parseInt(args[2]))) {
-                        sender.sendMessage("Not a level...");
+                        sender.sendMessage(instance.references.getPrefix() + Arconix.pl().getApi().format().formatText("&cNot a valid level... The current valid levels are: &4" + instance.getLevelManager().getLowestLevel().getLevel() + "-" + instance.getLevelManager().getHighestLevel().getLevel() + "&c."));
                         return true;
-                    } else {
+                    } else if (args.length != 1){
                         level = instance.getLevelManager().getLevel(Integer.parseInt(args[2]));
                     }
                         player.getInventory().addItem(Methods.makeFarmItem(level));
+                    player.sendMessage(instance.references.getPrefix() + instance.getLocale().getMessage("command.give.success", level.getLevel()));
+
                 } else if (Bukkit.getPlayerExact(args[1]) == null) {
                     sender.sendMessage(instance.references.getPrefix() + Arconix.pl().getApi().format().formatText("&cThat username does not exist, or the user is not online!"));
                 }

src/main/resources/en_US.lang

@@ -15,6 +15,10 @@ interface.button.speed = "&7Speed: &6%speed%x"
 interface.button.autoharvest =  "&7Auto Harvest: &6%status%"
 interface.button.autoreplant = "&7Auto Replant: &6%status%"
 
+#Command Messages
+
+command.give.success = "&7You have been given a &6level %level% &7farm item."
+
 #Event Messages
 
 event.general.nopermission = "&cYou do not have permission to do that."