fix first time update error

 [WebServer] Failed to check for updates: Cannot invoke "String.equals(Object)" because "tk.fungy.wsformc.Updater.currentVersion" is null

Author: FungY911

src/main/java/tk/fungy/wsformc/FileManager.java

@@ -37,7 +37,7 @@ public void startup() throws UnknownHostException {
                     URL url = new URL("http://checkip.amazonaws.com");
                     BufferedReader reader = new BufferedReader(new InputStreamReader(url.openStream()));
                     ipaddr = reader.readLine();
-                    Main.getInstance().getLogger().info(ipaddr);
+                    Main.getInstance().getLogger().info("IP of device: " + ipaddr);
                 } catch (Exception e) {
                     Main.getInstance().getLogger().info("Failed to get your public ip. Returned error is: " + e.getMessage());
                 }

src/main/java/tk/fungy/wsformc/Main.java

@@ -34,12 +34,12 @@ public void onEnable() {
         getLogger().info("Loading Assets.");
         instance.getCommand("wsm").setExecutor(new Command());
         instance.getCommand("webserver").setExecutor(new Command());
-        Updater.startUpdater();
         if (WebServer.running) {
             if (Command.ws == null) Command.ws = new WebServer();
             getLogger().info("Starting Webserbver.");
             Command.ws.start();
         }
+        Updater.startUpdater();
     }
 
     @Override

src/main/java/tk/fungy/wsformc/Updater.java

@@ -14,7 +14,7 @@
 import java.net.URL;
 
 public class Updater implements Listener {
-    private static final String currentVersion = new FileManager().getStringFromConfig("Version");
+    private static String currentVersion = new FileManager().getStringFromConfig("Version");
     private static String latestVersion;
     public static void startUpdater() {
         Bukkit.getScheduler().runTaskTimerAsynchronously(Main.instance, new Runnable() {
@@ -38,6 +38,10 @@ private static void checkForUpdates() {
             JsonObject latestRelease = releases.get(0).getAsJsonObject();
             latestVersion = latestRelease.get("tag_name").getAsString().replace("v", "");
 
+            if(currentVersion == null) {
+                currentVersion = new FileManager().getStringFromConfig("Version");
+            }
+
             if (!currentVersion.equals(latestVersion)) {
                 Bukkit.getLogger().warning(Colors.translate("[WebServer] A new update is available: " + latestVersion + " Your version is: " + currentVersion));
             } else {

src/main/resources/config.yml

@@ -32,4 +32,4 @@ WebServer:
   ssl: false # toggle: true/false, set this to true only if you have generated certificate and webserver pointed to domain
 
 No-Permission: "nemas prava L"
-Version: 1.0 # Do not edit this line!
+Version: "1.0" # Do not edit this line!