Started implementing GPU functionality

src/net/knarcraft/serverlauncher/server/Server.java

@@ -1,7 +1,10 @@
 package net.knarcraft.serverlauncher.server;
 
+import net.knarcraft.serverlauncher.userinterface.GUI;
+
 import java.io.*;
 import java.net.URL;
+import java.nio.Buffer;
 import java.util.Scanner;
 import java.nio.file.*;
 import java.util.ArrayList;
@@ -18,6 +21,7 @@ public class Server {
     /** Available ram sizes. For GUI dropdown */
     private static final String[] ramList = {"512M", "1G", "2G", "3G", "4G", "5G", "6G", "7G", "8G", "9G", "10G", "11G", "12G", "13G", "14G", "15G", "16G"};
     private static final ArrayList<Server> servers = new ArrayList<>();
+    private static GUI gui;
 
     private final String name;
     private String path;
@@ -27,8 +31,9 @@ public class Server {
     private String serverVersion;
     private String maxRam;
     private Process process;
+    private BufferedWriter writer;
 
-    public Server(String name) {
+    public Server(String name, GUI window) {
         this.name = name;
         this.path = "";
         this.enabled = false;
@@ -38,6 +43,7 @@ public class Server {
         this.maxRam = ramList[0];
         this.process = null;
         servers.add(this);
+        window.addServer(name, this);
     }
 
     public void addPlayer(String name) {
@@ -53,6 +59,10 @@ public class Server {
         }
     }
 
+    public static void setGui(GUI _gui) {
+        gui = _gui;
+    }
+
     /**
      * @return  A representation of the name of a jarfile.
      */
@@ -80,6 +90,24 @@ public class Server {
         this.type = type;
     }
 
+    public static String[] getRamList() {
+        return ramList;
+    }
+
+    public static void stop() throws IOException {
+        for (Server server : servers) {
+            if (server.writer != null) {
+                if (server.type.getName() == "Bungee") {
+                    server.writer.write("end\n");
+                } else {
+                    server.writer.write("stop\n");
+                }
+                server.writer.flush();
+                server.writer = null;
+            }
+        }
+    }
+
     /**
      * Sets the server's server version to a valid version, or ignores the request.
      *
@@ -113,26 +141,31 @@ public class Server {
     /**
      * Runs the Minecraft server.
      */
-    private void run() {
+    private boolean run() {
         if (this.enabled) {
             try {
-                System.out.println("Downloading jar...");
+                gui.setStatus("Downloading jar...");
                 this.downloadJar();
-                System.out.println("File downloaded.");
+                gui.setStatus("File downloaded");
             } catch (FileNotFoundException e) {
-                e.printStackTrace();
-                System.out.println("File was not found.");
-                return;
+                System.out.println("File was not found");
+                return false;
             }
             try {
                 ProcessBuilder builder = new ProcessBuilder("java", "-Xmx" + this.maxRam, "-Xms512M", "-Djline.terminal=jline.UnsupportedTerminal", "-Dcom.mojang.eula.agree=true", "-jar", "\"" + this.path + "\\" + this.getType() + "\"");
                 builder.directory(new File(this.path));
                 builder.redirectErrorStream(true);
                 this.process = builder.start();
-                System.out.println("Success");
+                OutputStream stdin = this.process.getOutputStream ();
+                this.writer = new BufferedWriter(new OutputStreamWriter(stdin));
+                gui.setStatus("Servers are running");
+                return true;
             } catch (IOException e) {
-                System.out.println("Error");
+                gui.setStatus("Could not start server");
+                return false;
             }
+        } else {
+            return true;
         }
     }
 

src/net/knarcraft/serverlauncher/server/ServerType.java

@@ -42,6 +42,15 @@ public class ServerType {
 		return serverTypes;
 	}
 
+	public static String[] getTypeNames(){
+		ArrayList<ServerType> types = ServerType.getServerTypes();
+		String[] serverTypes = new String[types.size()];
+		for (int i = 0; i <  types.size(); i++) {
+			serverTypes[i] = types.get(i).getName();
+		}
+		return serverTypes;
+	}
+
 	/**
 	 * Reads valid server types and version from a file, and creates their objects.
 	 *