Fix replay command enabled while another replay is running.

src/de/steamwar/spectatesystem/FightfileConnection.java

@@ -35,7 +35,7 @@ public class FightfileConnection extends PacketSource {
     }
 
     @Override
-    boolean isClosed() {
+    public boolean isClosed() {
         try{
             return inputStream.available() == 0;
         }catch (IOException e){

src/de/steamwar/spectatesystem/commands/ReplayCommand.java

@@ -29,6 +29,7 @@ import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
 import java.io.File;
+import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.util.EnumSet;
 import java.util.Set;
@@ -37,6 +38,7 @@ import java.util.logging.Level;
 public class ReplayCommand implements CommandExecutor {
 
     private static final Set<UserGroup> allowedGroups = EnumSet.of(UserGroup.Admin, UserGroup.Developer, UserGroup.Moderator);
+    private static FightfileConnection fightfileConnection;
 
     @Override
     public boolean onCommand(CommandSender sender, Command command, String alias, String[] args) {
@@ -49,13 +51,22 @@ public class ReplayCommand implements CommandExecutor {
             }
         }
 
+        if (fightfileConnection != null && fightfileConnection.isClosed()) {
+            sender.sendMessage("§eSteam§8War» §cBitte warte bis kein Replay gezeigt wird.");
+            return false;
+        }
+
         if(args.length != 1){
             sender.sendMessage("§eSteam§8War» §c/replay [Dateipfad]");
             return false;
         }
 
         try {
-            new FightfileConnection(new File(args[0] + ".recording"));
+            fightfileConnection = new FightfileConnection(new File(args[0] + (args[0].endsWith(".recording") ? "" : ".recording")));
+        } catch (FileNotFoundException e) {
+            Bukkit.getLogger().log(Level.WARNING, "Could not start reading file", e);
+            sender.sendMessage("§eSteam§8War» §cReplay konnte nicht gefunden werden.");
+            return false;
         } catch (IOException e) {
             Bukkit.getLogger().log(Level.WARNING, "Could not start reading file", e);
             sender.sendMessage("§eSteam§8War» §cReplay konnte nicht gestartet werden.");