Adding shutdown callback, adapting startup

pom.xml

@@ -41,6 +41,7 @@
                 </configuration>
             </plugin>
         </plugins>
+        <finalName>persistentbungeecore</finalName>
     </build>
 
     <dependencies>

src/de/steamwar/bungeecore/Subserver.java

@@ -9,7 +9,6 @@ import java.io.IOException;
 import java.io.InputStreamReader;
 import java.io.PrintWriter;
 import java.net.InetSocketAddress;
-import java.util.ArrayList;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
@@ -39,18 +38,24 @@ public class Subserver implements Runnable {
     }
 
     private final String serverName;
-    private Process p;
-    private PrintWriter writer;
-    private ServerInfo server;
-    private Servertype type;
+    private final Runnable shutdownCallback;
+    private final Process p;
+    private final PrintWriter writer;
+    private final ServerInfo server;
+    private final Servertype type;
     private boolean started;
 
-    private final List<ProxiedPlayer> cachedPlayers = new ArrayList<>();
+    private final List<ProxiedPlayer> cachedPlayers = new LinkedList<>();
 
     public Subserver(Servertype type, String serverName, int port, String... command){
+        this(type, serverName, port, () -> {}, command);
+    }
+
+    public Subserver(Servertype type, String serverName, int port, Runnable shutdownCallback, String... command){
         this.started = false;
         this.serverName = serverName;
         this.type = type;
+        this.shutdownCallback = shutdownCallback;
 
         ProcessBuilder pb = new ProcessBuilder(command);
         InetSocketAddress address = new InetSocketAddress("127.0.0.1", port);
@@ -58,8 +63,7 @@ public class Subserver implements Runnable {
         try{
             this.p = pb.start();
         }catch(IOException e){
-            logger.log(Level.SEVERE, "Server could not be started", e);
-            return;
+            throw new SecurityException("Server could not be started", e);
         }
 
         this.server = ProxyServer.getInstance().constructServerInfo(
@@ -108,12 +112,10 @@ public class Subserver implements Runnable {
     }
 
     private void fatalError(){
-        for(ProxiedPlayer cached : cachedPlayers){
+        for(ProxiedPlayer cached : cachedPlayers)
             cached.sendMessage(Persistent.getPrefix() + "§cUnerwarteter Fehler beim Serverstart.");
-        }
-        for(ProxiedPlayer player : server.getPlayers()){
+        for(ProxiedPlayer player : server.getPlayers())
             player.sendMessage(Persistent.getPrefix() + "§cUnerwarteter Fehler im Server.");
-        }
     }
 
     public void run(){
@@ -123,7 +125,7 @@ public class Subserver implements Runnable {
         try(BufferedReader reader = new BufferedReader(new InputStreamReader(p.getInputStream()))){
             String line = "";
             while (!started && (line = reader.readLine()) != null) {
-                started = line.contains("Done ("); //Problematisch
+                started = line.contains("ViaVersion detected server version");
             }
 
             if(line == null){
@@ -132,7 +134,7 @@ public class Subserver implements Runnable {
                 return;
             }
 
-            Thread.sleep(800);
+            Thread.sleep(300);
 
             for(ProxiedPlayer cachedPlayer : cachedPlayers){
                 Thread.sleep(200);
@@ -151,6 +153,7 @@ public class Subserver implements Runnable {
         } finally {
             serverList.remove(this);
             ProxyServer.getInstance().getServers().remove(serverName);
+            shutdownCallback.run();
         }
     }
 }