Add warning and stop startup when plugin is used with a minecraft version that has not been tested yet (I hope this reduce confusion on the next major minecraft update)

pom.xml

@@ -3,7 +3,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>at.pcgamingfreaks</groupId>
 	<artifactId>MinePacks</artifactId>
-	<version>1.15</version>
+	<version>1.16-SNAPSHOT</version>
 
 	<scm>
 		<connection>scm:git:git@github.com:GeorgH93/Bukkit_Minepacks.git</connection>

resources/lang/de.yml

@@ -6,6 +6,7 @@ Language:
     LangUpdated: Die Sprachdatei wurde aktualisiert.
     UpdateUUIDs: Beginne die Spielernamen in UUIDs umzuwandeln...
     UpdatedUUIDs: 'Es wurden %d Spielernamen in UUIDs umgewandelt.'
+    MinecraftVersionNotCompatible: "Deine Minecraft Version (MC %1$s) ist mit der Version des Plugins (%2$s) nicht kompatibel! Bitte prüfe ob ein update verfügbar ist!"
   Ingame:
     NoPermission: 'Dir fehlen die Rechte dafür.'
     OwnBackPackClose: 'Rucksack geschlossen.'
@@ -20,4 +21,4 @@ Language:
     View:     Öffnet den Rucksack eines anderen Spielers.
 
 # Language file version. Don't touch it!
-Version: 3
+Version: 4

resources/lang/en.yml

@@ -6,6 +6,7 @@ Language:
     LangUpdated: Language File has been updated.
     UpdateUUIDs: Start updating database to UUIDs ...
     UpdatedUUIDs: 'Updated %s accounts to UUIDs.'
+    MinecraftVersionNotCompatible: "Your minecraft version (MC %1$s) is currently not compatible with this plugins version (%2$s). Please check for updates!"
   Ingame:
     NoPermission: You don't have the Permission to do that.
     OwnBackPackClose: 'Backpack closed!'
@@ -20,4 +21,4 @@ Language:
     View: Shows the backpack of other player.
 
 # Language file version. Don't touch it!
-Version: 3
+Version: 4

src/at/pcgamingfreaks/MinePacks/Database/InventorySerializer.java

@@ -20,6 +20,7 @@
 import at.pcgamingfreaks.Bukkit.ItemStackSerializer.BukkitItemStackSerializer;
 import at.pcgamingfreaks.Bukkit.ItemStackSerializer.ItemStackSerializer;
 import at.pcgamingfreaks.Bukkit.ItemStackSerializer.NBTItemStackSerializer;
+
 import org.bukkit.Bukkit;
 import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.ItemStack;

src/at/pcgamingfreaks/MinePacks/Database/Language.java

@@ -21,7 +21,7 @@
 
 public class Language extends at.pcgamingfreaks.Bukkit.Language
 {
-	private static final int LANG_VERSION = 3;
+	private static final int LANG_VERSION = 4;
 
 	public Language(JavaPlugin plugin)
 	{
@@ -35,6 +35,7 @@ protected void doUpdate()
 		{
 			case 1: lang.set("Language.Ingame.Cooldown", "Please wait till you reopen your backpack.");
 			case 2: lang.set("Language.Ingame.InvalidBackpack", lang.getString("Language.Ingame.IvalidBackpack", "Invalid backpack."));
+			case 3: lang.set("Language.Console.MinecraftVersionNotCompatible", "Your minecraft version (MC %1$s) is currently not compatible with this plugins version (%2$s). Please check for updates!");
 				break;
 		}
 	}

src/at/pcgamingfreaks/MinePacks/MinePacks.java

@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2014-2015 GeorgH93
+ *   Copyright (C) 2014-2016 GeorgH93
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -17,18 +17,22 @@
 
 package at.pcgamingfreaks.MinePacks;
 
-import java.util.HashMap;
-import java.util.logging.Logger;
+import at.pcgamingfreaks.MinePacks.Database.Config;
+import at.pcgamingfreaks.MinePacks.Database.Database;
+import at.pcgamingfreaks.MinePacks.Database.Language;
 
 import net.gravitydevelopment.Updater.Bukkit_Updater;
 import net.gravitydevelopment.Updater.UpdateType;
 
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
 import org.bukkit.OfflinePlayer;
 import org.bukkit.entity.Player;
 import org.bukkit.plugin.ServicePriority;
 import org.bukkit.plugin.java.JavaPlugin;
 
-import at.pcgamingfreaks.MinePacks.Database.*;
+import java.util.HashMap;
+import java.util.logging.Logger;
 
 public class MinePacks extends JavaPlugin
 {
@@ -38,9 +42,9 @@ public class MinePacks extends JavaPlugin
 	public Config config;
 	public Language lang;
 	public Database DB;
-	
+
 	public HashMap<Player, Long> cooldowns = new HashMap<>();
-	
+
 	public static String BackpackTitle;
 	public String Message_InvalidBackpack;
 
@@ -53,6 +57,16 @@ public static MinePacks getInstance()
 	public void onEnable()
 	{
 		log = getLogger();
+
+		String name = Bukkit.getServer().getClass().getPackage().getName();
+		String[] version = name.substring(name.lastIndexOf('.') + 2).split("_");
+		if((version[0].equals("1") && Integer.valueOf(version[1]) > 9) || Integer.valueOf(version[0]) > 1)
+		{
+			MinePacks.getInstance().warnOnVersionIncompatibility(version[0] + "." + version[1]);
+			this.setEnabled(false);
+			return;
+		}
+
 		config = new Config(this);
 		lang = new Language(this);
 
@@ -67,7 +81,7 @@ public void onEnable()
 		{
 			(new ItemsCollector(this)).runTaskTimer(this, config.getFullInvCheckInterval(), config.getFullInvCheckInterval());
 		}
-		
+
 		BackpackTitle = config.getBPTitle();
 		Message_InvalidBackpack = lang.getTranslated("Ingame.InvalidBackpack");
 		getServer().getServicesManager().register(MinePacks.class, this, this, ServicePriority.Normal);
@@ -85,7 +99,22 @@ public void onDisable()
 		}
 		log.info(lang.get("Console.Disabled"));
 	}
-	
+
+	public void warnOnVersionIncompatibility(String version)
+	{
+		log.warning(ChatColor.RED + "################################");
+		log.warning(ChatColor.RED + String.format(MinePacks.getInstance().lang.getTranslated("Console.MinecraftVersionNotCompatible"), version));
+		log.warning(ChatColor.RED + "################################");
+		try
+		{
+			Thread.sleep(5000L);
+		}
+		catch(InterruptedException e)
+		{
+			e.printStackTrace();
+		}
+	}
+
 	public void openBackpack(final Player opener, OfflinePlayer owner, final boolean editable)
 	{
 		if(owner == null)
@@ -104,7 +133,7 @@ public void onResult(Backpack backpack)
 			public void onFail() {}
 		});
 	}
-	
+
 	public void openBackpack(Player opener, Backpack backpack, boolean editable)
 	{
 		if(backpack == null)
@@ -114,7 +143,7 @@ public void openBackpack(Player opener, Backpack backpack, boolean editable)
 		}
 		backpack.open(opener, editable);
 	}
-	
+
 	public int getBackpackPermSize(Player player)
 	{
 		for(int i = 9; i > 1; i--)