Add ability to reload discount and restriction module (Resolves #252)

src/main/java/com/Acrobot/ChestShop/Commands/Version.java

@@ -1,6 +1,7 @@
 package com.Acrobot.ChestShop.Commands;
 
 import com.Acrobot.ChestShop.ChestShop;
+import com.Acrobot.ChestShop.Events.ChestShopReloadEvent;
 import org.bukkit.ChatColor;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;
@@ -12,7 +13,7 @@ import org.bukkit.command.CommandSender;
 public class Version implements CommandExecutor {
     public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
         if (args.length > 0 && args[0].equals("reload")) {
-            ChestShop.getPlugin().loadConfig();
+            ChestShop.callEvent(new ChestShopReloadEvent(sender));
 
             sender.sendMessage(ChatColor.DARK_GREEN + "The config was reloaded.");
             return true;

src/main/java/com/Acrobot/ChestShop/Events/ChestShopReloadEvent.java

@@ -0,0 +1,35 @@
+package com.Acrobot.ChestShop.Events;
+
+import org.bukkit.command.CommandSender;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+
+/**
+ * Represents a plugin reload call
+ *
+ * @author Acrobot
+ */
+public class ChestShopReloadEvent extends Event {
+    private static final HandlerList handlers = new HandlerList();
+
+    private CommandSender sender;
+
+    public ChestShopReloadEvent(CommandSender sender) {
+        this.sender = sender;
+    }
+
+    /**
+     * @return CommandSender who initiated the call
+     */
+    public CommandSender getSender() {
+        return sender;
+    }
+
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+}

src/main/java/com/Acrobot/ChestShop/Listeners/Modules/DiscountModule.java

@@ -2,7 +2,7 @@ package com.Acrobot.ChestShop.Listeners.Modules;
 
 import com.Acrobot.Breeze.Utils.PriceUtil;
 import com.Acrobot.ChestShop.ChestShop;
-import com.Acrobot.ChestShop.Containers.AdminInventory;
+import com.Acrobot.ChestShop.Events.ChestShopReloadEvent;
 import com.Acrobot.ChestShop.Events.PreTransactionEvent;
 import com.Acrobot.ChestShop.Permission;
 import com.Acrobot.ChestShop.UUIDs.NameManager;
@@ -28,6 +28,10 @@ public class DiscountModule implements Listener {
     private Set<String> groupList = new HashSet<String>();
 
     public DiscountModule() {
+        load();
+    }
+
+    private void load() {
         config = YamlConfiguration.loadConfiguration(ChestShop.loadFile("discounts.yml"));
 
         config.options().header("This file is for discount management. You are able to do that:\n" +
@@ -45,6 +49,11 @@ public class DiscountModule implements Listener {
         groupList = config.getKeys(false);
     }
 
+    @EventHandler
+    public void onReload(ChestShopReloadEvent event) {
+        load();
+    }
+
     @EventHandler(priority = EventPriority.LOWEST, ignoreCancelled = true)
     public void onPreTransaction(PreTransactionEvent event) {
         if (event.getTransactionType() != BUY || !NameManager.isAdminShop(event.getOwnerAccount().getUuid())) {

src/main/java/com/Acrobot/ChestShop/Listeners/Modules/PriceRestrictionModule.java

@@ -2,6 +2,7 @@ package com.Acrobot.ChestShop.Listeners.Modules;
 
 import com.Acrobot.Breeze.Utils.PriceUtil;
 import com.Acrobot.ChestShop.ChestShop;
+import com.Acrobot.ChestShop.Events.ChestShopReloadEvent;
 import com.Acrobot.ChestShop.Events.ItemParseEvent;
 import com.Acrobot.ChestShop.Events.PreShopCreationEvent;
 import org.bukkit.Bukkit;
@@ -34,6 +35,10 @@ public class PriceRestrictionModule implements Listener {
     private static final double INVALID_PATH = Double.MIN_VALUE;
 
     public PriceRestrictionModule() {
+        load();
+    }
+
+    private void load() {
         File file = new File(ChestShop.getFolder(), "priceLimits.yml");
 
         configuration = YamlConfiguration.loadConfiguration(file);
@@ -92,6 +97,11 @@ public class PriceRestrictionModule implements Listener {
         }
     }
 
+    @EventHandler
+    public void onReload(ChestShopReloadEvent event) {
+        load();
+    }
+
     @EventHandler
     public void onPreShopCreation(PreShopCreationEvent event) {
         ItemParseEvent parseEvent = new ItemParseEvent(event.getSignLine(ITEM_LINE));

src/main/java/com/Acrobot/ChestShop/Plugins/ChestShop.java

@@ -1,9 +1,9 @@
 package com.Acrobot.ChestShop.Plugins;
 
+import com.Acrobot.ChestShop.Events.ChestShopReloadEvent;
 import com.Acrobot.ChestShop.Events.Protection.ProtectionCheckEvent;
 import com.Acrobot.ChestShop.Permission;
 import com.Acrobot.ChestShop.Signs.ChestShopSign;
-import com.Acrobot.ChestShop.UUIDs.NameManager;
 import com.Acrobot.ChestShop.Utils.uBlock;
 import org.bukkit.block.Block;
 import org.bukkit.block.Sign;
@@ -18,6 +18,12 @@ import static com.Acrobot.Breeze.Utils.BlockUtil.isSign;
  * @author Acrobot
  */
 public class ChestShop implements Listener {
+
+    @EventHandler
+    public static void onReload(ChestShopReloadEvent event) {
+        com.Acrobot.ChestShop.ChestShop.getPlugin().loadConfig();
+    }
+
     @EventHandler
     public static void onProtectionCheck(ProtectionCheckEvent event) {
         if (event.getResult() == Event.Result.DENY || event.isBuiltInProtectionIgnored()) {