KnarCraft/Minecraft-Server-Launcher
KnarCraft/Minecraft-Server-Launcher
1
0
Fork 0
Code Issues 3 Pull Requests Releases 12 Wiki Activity

Profile switching and cleanup

Browse Source 
It is now possible to switch between profiles, and the server tabs
will update.
This commit is contained in:
Kristian Knarvik 2018-02-02 22:02:57 +01:00
parent 062f57736b
commit 75d44f6d1d
8 changed files with 202 additions and 127 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/META-INF/MANIFEST.MF
View File

@ -1,3 +1,3 @@
Manifest-Version: 1.0
Main-Class: Main
Main-Class: net.knarcraft.serverlauncher.Main

74
src/Main.java → src/net/knarcraft/serverlauncher/Main.java
View File

@ -1,5 +1,8 @@
package net.knarcraft.serverlauncher;
import net.knarcraft.serverlauncher.profile.Collection;
import net.knarcraft.serverlauncher.profile.Profile;
import net.knarcraft.serverlauncher.server.Server;
import net.knarcraft.serverlauncher.server.ServerType;
import net.knarcraft.serverlauncher.userinterface.GUI;
import net.knarcraft.serverlauncher.userinterface.ServerConsoles;
@ -20,38 +23,30 @@ import java.util.concurrent.TimeUnit;
* @since 0.0.0.1
*/
class Main {
public class Main {
private static GUI gui;
public static void main(String[] args) {
EventQueue.invokeLater(() -> {
try {
setup();
new GUI();
gui = new GUI();
new ServerConsoles();
Profile.addProfile("Default");
//TODO: replace with profiles loading generating a default profile if empty.
ScheduledExecutorService exec = Executors.newSingleThreadScheduledExecutor();
exec.scheduleAtFixedRate(() -> {
for (Collection collection : GUI.getGUI().currentProfile().getCollections()) {
if (collection.getServer().isEnabled() && collection.getServer().getProcess() != null) {
try {
String readText = collection.getServer().read();
if (!readText.equals("")) {
collection.getServerConsole().output(readText);
updatePlayerList(readText, collection);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
}, 10, 250, TimeUnit.MILLISECONDS);
exec.scheduleAtFixedRate(Main::updateConsoles, 10, 250, TimeUnit.MILLISECONDS);
} catch (Exception e) {
e.printStackTrace();
}
});
}
public static GUI gui() {
return gui;
}
private static void setup() {
try {
ServerType.loadServerTypes();
@ -61,32 +56,59 @@ class Main {
}
}
/**
* Reads from server processes, and writes the output to our custom consoles.
*/
private static void updateConsoles() {
for (Collection collection : Profile.getCurrent().getCollections()) {
Server server = collection.getServer();
if (server.isEnabled() && server.getProcess() != null) {
try {
String readText = server.read();
if (!readText.equals("")) {
collection.getServerConsole().output(readText);
updatePlayerList(readText, collection);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
/**
* Looks for strings implying a player has joined or left, and updates the appropriate lists.
*
* @param text The text to search.
* @param collection The server which sent the text.
*/
private static void updatePlayerList(String text, Collection collection) {
if (!collection.getServer().typeName().equals("Bungee")) { //Bungee servers are not to be treated as normal servers.
Server server = collection.getServer();
if (!server.typeName().equals("Bungee")) {
String joinedPlayer = stringBetween(text, "[Server thread/INFO]: ", " joined the game");
if (!joinedPlayer.equals("")) {
if (!collection.getServer().hasPlayer(joinedPlayer)) {
collection.getServer().addPlayer(joinedPlayer);
if (!server.hasPlayer(joinedPlayer)) {
server.addPlayer(joinedPlayer);
}
} else {
joinedPlayer = stringBetween(text, "UUID of player ", " is ");
if (!joinedPlayer.equals("")) {
if (!collection.getServer().hasPlayer(joinedPlayer)) {
collection.getServer().addPlayer(joinedPlayer);
if (!server.hasPlayer(joinedPlayer)) {
server.addPlayer(joinedPlayer);
}
}
}
if (joinedPlayer.equals("")) {
String leftPlayer = stringBetween(text, "INFO]: ", " lost connection");
if (!leftPlayer.equals("")) {
if (collection.getServer().hasPlayer(leftPlayer)) {
collection.getServer().removePlayer(leftPlayer);
if (server.hasPlayer(leftPlayer)) {
server.removePlayer(leftPlayer);
}
} else {
leftPlayer = stringBetween(text, "[Server thread/INFO]: ", " left the game");
if (!leftPlayer.equals("")) {
if (collection.getServer().hasPlayer(leftPlayer)) {
collection.getServer().removePlayer(leftPlayer);
if (server.hasPlayer(leftPlayer)) {
server.removePlayer(leftPlayer);
}
}
}

58
src/net/knarcraft/serverlauncher/profile/Profile.java
View File

@ -2,8 +2,8 @@ package net.knarcraft.serverlauncher.profile;
import net.knarcraft.serverlauncher.server.Server;
import net.knarcraft.serverlauncher.server.ServerType;
import net.knarcraft.serverlauncher.userinterface.GUI;
import net.knarcraft.serverlauncher.userinterface.ServerTab;
import net.knarcraft.serverlauncher.Main;
import javax.swing.*;
import java.io.IOException;
@ -18,6 +18,7 @@ import java.util.ArrayList;
*/
public class Profile {
private static final ArrayList<Profile> profiles = new ArrayList<>();
private static Profile current;
private final ArrayList<Collection> collections;
private final String name;
@ -36,25 +37,30 @@ public class Profile {
this.delayStartup = 0;
this.downloadJars = false;
profiles.add(this);
if (current == null) {
current = this;
}
}
public void addCollection(String name) {
if (name == null) { //If a user cancels or crosses out window
return;
}
if (!collectionExists(name) && !name.equals("") && !name.equals("All")) {
collections.add(new Collection(name));
GUI.getGUI().updateSelectServers();
} else {
JOptionPane.showMessageDialog(null, "A server name must my unique and not empty or \"All\".", "Error", JOptionPane.ERROR_MESSAGE);
}
}
public void removeCollection(ServerTab serverTab) {
public void removeCollection(String name) {
for (int i = 0; i < collections.size(); i++) {
if (collections.get(i).getServerTab() == serverTab) {
if (collections.get(i).getName().equals(name)) {
this.collections.remove(i);
GUI.getGUI().updateSelectServers();
Main.gui().updateSelectServers();
break;
}
}
}
public Collection getCollection(String name) {
@ -94,7 +100,7 @@ public class Profile {
}
}
new Profile(name);
GUI.getGUI().addProfile(name);
Main.gui().addProfile(name);
}
public static Profile getProfile(String name) {
@ -111,12 +117,25 @@ public class Profile {
for (int i = 0; i < profiles.size(); i++) {
if (profiles.get(i).name.equals((name))) {
profiles.remove(i);
GUI.getGUI().removeProfile(i);
Main.gui().removeProfile(i);
}
}
}
}
public static Profile getCurrent() {
return current;
}
public static void setCurrent(String name) {
for (Profile profile : profiles) {
if (profile.name.equals(name)) {
current = profile;
break;
}
}
}
public void setRunInBackground(boolean value) {
this.runInBackground = value;
}
@ -131,13 +150,19 @@ public class Profile {
this.downloadJars = value;
}
/**
* Sends a command to a server, or all servers
*
* @param serverName The target server
* @param command The command to send.
*/
public void sendCommand(String serverName, String command) {
if (serverName.equals("All")) {
for (Collection collection : this.collections) {
try {
collection.getServer().sendCommand(command);
} catch (IOException e) {
JOptionPane.showMessageDialog(null, "Server " + collection.getServer().getName() + " caused an exception.", "Error", JOptionPane.ERROR_MESSAGE);
JOptionPane.showMessageDialog(null, "Server " + collection.getName() + " caused an exception.", "Error", JOptionPane.ERROR_MESSAGE);
}
}
} else {
@ -155,6 +180,12 @@ public class Profile {
}
}
/**
* Sets a server type's last downloaded version.
*
* @param type The version type
* @param version The version string
*/
public void setVersion(String type, String version) {
if (!version.equals("")) {
switch (type) {
@ -173,6 +204,12 @@ public class Profile {
}
}
/**
* Returns the current version of a type
*
* @param type The version type
* @return The version string
*/
public String getVersion(String type) {
switch (type) {
case "Vanilla":
@ -188,6 +225,9 @@ public class Profile {
}
}
/**
* Reads all server tabs, and saves it to the variables of the corresponding servers.
*/
public void save() {
for (Collection collection : this.collections) {
Server server = collection.getServer();

29
src/net/knarcraft/serverlauncher/server/Server.java
View File

@ -1,9 +1,8 @@
package net.knarcraft.serverlauncher.server;
import net.knarcraft.serverlauncher.Main;
import net.knarcraft.serverlauncher.profile.Collection;
import net.knarcraft.serverlauncher.profile.Profile;
import net.knarcraft.serverlauncher.userinterface.GUI;
import java.io.*;
import java.net.URL;
import java.util.Scanner;
@ -48,7 +47,7 @@ public class Server {
public void addPlayer(String name) {
this.playerList.add(name);
GUI.getGUI().addPlayer(name);
Main.gui().addPlayer(name);
}
public void removePlayer(String name) {
@ -57,7 +56,7 @@ public class Server {
playerList.remove(i);
}
}
GUI.getGUI().removePlayer(name);
Main.gui().removePlayer(name);
}
public ArrayList<String> getPlayers() {
@ -121,7 +120,7 @@ public class Server {
}
public static void stop() throws IOException {
for (Collection collection : GUI.getGUI().currentProfile().getCollections()) {
for (Collection collection : Profile.getCurrent().getCollections()) {
if (collection.getServer().writer != null) {
if (collection.getServer().type.getName().equals("Bungee")) {
collection.getServer().writer.write("end\n");
@ -158,10 +157,10 @@ public class Server {
* Runs all enabled servers with their settings.
*/
public static void startServers() {
GUI.getGUI().setStatus("Starting servers");
for (Collection collection : GUI.getGUI().currentProfile().getCollections()) {
Main.gui().setStatus("Starting servers");
for (Collection collection : Profile.getCurrent().getCollections()) {
if (!collection.getServer().run()) {
GUI.getGUI().setStatus("An error occurred. Start aborted");
Main.gui().setStatus("An error occurred. Start aborted");
}
}
}
@ -172,11 +171,11 @@ public class Server {
private boolean run() {
if (this.enabled) {
try {
GUI.getGUI().setStatus("Downloading jar...");
Main.gui().setStatus("Downloading jar...");
this.downloadJar();
GUI.getGUI().setStatus("File downloaded");
Main.gui().setStatus("File downloaded");
} catch (FileNotFoundException e) {
GUI.getGUI().setStatus("Error: Jar file not found");
Main.gui().setStatus("Error: Jar file not found");
return false;
}
try {
@ -197,10 +196,10 @@ public class Server {
this.writer = new BufferedWriter(new OutputStreamWriter(stdin));
InputStream stdout = this.process.getInputStream();
this.reader = new BufferedReader (new InputStreamReader(stdout));
GUI.getGUI().setStatus("Servers are running");
Main.gui().setStatus("Servers are running");
return true;
} catch (IOException e) {
GUI.getGUI().setStatus("Could not start server");
Main.gui().setStatus("Could not start server");
return false;
}
} else {
@ -227,7 +226,7 @@ public class Server {
AdvancedServerType type;
File file = new File(this.path + "\\" + this.getType());
Path filePath = Paths.get(this.path + "\\" + this.getType());
Profile currentProfile = GUI.getGUI().currentProfile();
Profile currentProfile = Profile.getCurrent();
String versionText;
String newestVersion;
String url = this.type.getDownloadURL();
@ -263,7 +262,7 @@ public class Server {
newestVersion = stringBetween(versionText, type.getSrcStart(), type.getSrcEnd());
if (!file.isFile() || !newestVersion.equals(currentProfile.getVersion(name))) {
success = downloadFile(url + newestVersion + type.getDownloadURLPart() + newestVersion + ".jar", filePath);
GUI.getGUI().currentProfile().setVersion(this.type.getName(), newestVersion);
currentProfile.setVersion(this.type.getName(), newestVersion);
if (!success) {
throw new FileNotFoundException("Jar file could not be downloaded.");
}

7
src/net/knarcraft/serverlauncher/userinterface/Console.java
View File

@ -29,12 +29,10 @@ public class Console implements ActionListener {
panel = new JPanel();
tab.addTab(name, null, panel, null);
panel.setLayout(new BorderLayout(0, 0));
textInput = new JTextField();
panel.add(textInput, BorderLayout.SOUTH);
textInput.setColumns(10);
textInput.addActionListener(this);
textOutput = new JTextArea();
JScrollPane scroll = new JScrollPane(textOutput);
panel.add(scroll, BorderLayout.CENTER);
@ -54,10 +52,9 @@ public class Console implements ActionListener {
@Override
public void actionPerformed(ActionEvent e) {
if (e.getSource() == textInput) {
if (e.getSource() == textInput) { //Sends the command from the input to the server with the same name.
String text = textInput.getText();
Profile profile = GUI.getGUI().currentProfile();
profile.sendCommand(this.name, text);
Profile.getCurrent().sendCommand(this.name, text);
textInput.setText("");
}
}

64
src/net/knarcraft/serverlauncher/userinterface/GUI.java
View File

@ -28,10 +28,7 @@ import java.util.concurrent.Executors;
*/
public class GUI implements ActionListener {
private static GUI gui;
private JFrame frame;
//Menu
private JCheckBoxMenuItem chckbxmntmRunInBackground, chckbxmntmDelayStartup, chckbxmntmDownloadJars; //Options
private JMenuItem mntmErrors, mntmSetup, mntmManualUpdate; //Help
@ -55,17 +52,15 @@ public class GUI implements ActionListener {
private final ArrayList<String> globalPlayers;
private JTabbedPane serversPane;
/**
* Create the application window.
*/
public GUI() {
initialize();
loadMessages();
gui = this;
this.globalPlayers = new ArrayList<>();
initialize();
loadMessages();
this.globalPlayers = new ArrayList<>();
}
public void addPlayer(String name) {
@ -82,6 +77,9 @@ public class GUI implements ActionListener {
this.updatePlayers();
}
/**
* Updates the list of players currently online on the selected server,
*/
private void updatePlayers() {
String selectedServerValue;
Object selectedServer = targetServer.getSelectedItem();
@ -91,7 +89,7 @@ public class GUI implements ActionListener {
if (selectedServerValue.equals("All")) {
for (String player : this.globalPlayers) targetPlayer.addItem(player);
} else {
for (String player : this.currentProfile().getCollection(selectedServerValue).getServer().getPlayers())
for (String player : Profile.getCurrent().getCollection(selectedServerValue).getServer().getPlayers())
targetPlayer.addItem(player);
}
}
@ -99,7 +97,7 @@ public class GUI implements ActionListener {
public void update() {
serversPane.removeAll();
for (Collection collection : currentProfile().getCollections()) {
for (Collection collection : Profile.getCurrent().getCollections()) {
serversPane.addTab(collection.getName(), collection.getServerTab().getPanel());
}
}
@ -120,18 +118,14 @@ public class GUI implements ActionListener {
this.profiles.removeItemAt(index);
}
public Profile currentProfile() {
/*public Profile currentProfile() {
Object selected = profiles.getSelectedItem();
if (selected != null) {
return Profile.getProfile(selected.toString());
} else {
return null;
}
}
public static GUI getGUI() {
return gui;
}
}*/
private void initialize() {
try {
@ -409,7 +403,7 @@ public class GUI implements ActionListener {
public void updateSelectServers() {
this.targetServer.removeAllItems();
this.targetServer.addItem("All");
for (Collection collection : currentProfile().getCollections()) {
for (Collection collection : Profile.getCurrent().getCollections()) {
this.targetServer.addItem(collection.getName());
}
}
@ -454,9 +448,9 @@ public class GUI implements ActionListener {
stop();
} else if (e.getSource() == addServer) {
String serverName = JOptionPane.showInputDialog("Name of server: ");
this.currentProfile().addCollection(serverName);
Profile.getCurrent().addCollection(serverName);
this.update();
ServerConsoles.update(currentProfile().getCollections());
ServerConsoles.update();
} else if (e.getSource() == backup) {
backup();
} else if (e.getSource() == addProfile) {
@ -466,45 +460,57 @@ public class GUI implements ActionListener {
if (selected != null) {
Profile.deleteProfile(selected.toString());
}
} else if (e.getSource() == profiles) {
changeProfile();
} else if (e.getSource() == btnKick) {
if (selectedServerValue != null && selectedPlayerValue != null) {
currentProfile().sendCommand(selectedServerValue, "kick " + selectedPlayerValue);
Profile.getCurrent().sendCommand(selectedServerValue, "kick " + selectedPlayerValue);
}
} else if (e.getSource() == btnBan) {
if (selectedServerValue != null && selectedPlayerValue != null) {
currentProfile().sendCommand(selectedServerValue, "ban " + selectedPlayerValue);
Profile.getCurrent().sendCommand(selectedServerValue, "ban " + selectedPlayerValue);
}
} else if (e.getSource() == btnOp) {
if (selectedServerValue != null && selectedPlayerValue != null) {
currentProfile().sendCommand(selectedServerValue, "op " + selectedPlayerValue);
Profile.getCurrent().sendCommand(selectedServerValue, "op " + selectedPlayerValue);
}
} else if (e.getSource() == btnDeop) {
if (selectedServerValue != null && selectedPlayerValue != null) {
currentProfile().sendCommand(selectedServerValue, "deop " + selectedPlayerValue);
Profile.getCurrent().sendCommand(selectedServerValue, "deop " + selectedPlayerValue);
}
} else if (e.getSource() == btnCustomCommand) {
if (selectedServerValue != null) {
currentProfile().sendCommand(selectedServerValue, customCommand.getText());
Profile.getCurrent().sendCommand(selectedServerValue, customCommand.getText());
customCommand.setText("");
}
} else if (e.getSource() == btnSaveserver) {
if (selectedServerValue != null) {
currentProfile().sendCommand(selectedServerValue, "save-all");
Profile.getCurrent().sendCommand(selectedServerValue, "save-all");
}
} else if (e.getSource() == btnReload) {
if (selectedServerValue != null) {
currentProfile().sendCommand(selectedServerValue, "reload");
Profile.getCurrent().sendCommand(selectedServerValue, "reload");
}
} else if (e.getSource() == btnServerConsoles) {
ServerConsoles.show();
}
}
private void changeProfile() {
save();
Object current = profiles.getSelectedItem();
if (current != null) {
Profile.setCurrent(current.toString());
}
update();
ServerConsoles.update();
}
/**
* Reads all combo boxes, updates variables (and saves to disk).
*/
private void save() {
currentProfile().save();
Profile.getCurrent().save();
//TODO: Save to a text file.
}
@ -581,7 +587,7 @@ public class GUI implements ActionListener {
if (chooser.showOpenDialog(null) == JFileChooser.APPROVE_OPTION) {
File path = chooser.getSelectedFile();
for (Collection collection : currentProfile().getCollections()) {
for (Collection collection : Profile.getCurrent().getCollections()) {
if (!collection.getServer().getPath().equals("") && collection.getServer().isEnabled()) {
String name = collection.getServer().getName();
File srcFolder = new File(collection.getServer().getPath());
@ -608,7 +614,7 @@ public class GUI implements ActionListener {
*
* @param url URL to open
*/
private static void goToURL(String url) {
private void goToURL(String url) {
java.awt.Desktop desktop = java.awt.Desktop.getDesktop();
try {
desktop.browse(new URI(url));

13
src/net/knarcraft/serverlauncher/userinterface/ServerConsoles.java
View File

@ -1,10 +1,11 @@
package net.knarcraft.serverlauncher.userinterface;
import net.knarcraft.serverlauncher.profile.Collection;
import net.knarcraft.serverlauncher.profile.Profile;
import javax.swing.JFrame;
import javax.swing.JTabbedPane;
import java.awt.BorderLayout;
import java.util.ArrayList;
/**
* A parent window for server consoles.
@ -16,7 +17,6 @@ import java.util.ArrayList;
* @since 0.0.0.1
*/
public class ServerConsoles {
private static ServerConsoles serverConsoles;
private static JFrame frame;
private static JTabbedPane consolesTab;
@ -27,20 +27,15 @@ public class ServerConsoles {
consolesTab = new JTabbedPane(JTabbedPane.TOP);
frame.getContentPane().add(consolesTab, BorderLayout.CENTER);
serverConsoles = this;
}
public static ServerConsoles getGUI() {
return serverConsoles;
}
public static void show() {
frame.setVisible(true);
}
public static void update(ArrayList<Collection> collections) {
public static void update() {
consolesTab.removeAll();
for (Collection collection : collections) {
for (Collection collection : Profile.getCurrent().getCollections()) {
consolesTab.add(collection.getName(), collection.getServerConsole().getPanel());
}
}

82
src/net/knarcraft/serverlauncher/userinterface/ServerTab.java
View File

@ -1,5 +1,7 @@
package net.knarcraft.serverlauncher.userinterface;
import net.knarcraft.serverlauncher.Main;
import net.knarcraft.serverlauncher.profile.Profile;
import net.knarcraft.serverlauncher.server.Server;
import net.knarcraft.serverlauncher.server.ServerType;
@ -21,10 +23,12 @@ public class ServerTab implements ActionListener {
private final JButton btnRemoveServer, btnBrowse;
private final JTextField directory;
private final JPanel panel;
private final String name;
public ServerTab(String name) {
this.name = name;
panel = new JPanel();
GUI.getGUI().getPane().addTab(name, null, panel, null);
Main.gui().getPane().addTab(name, null, panel, null);
SpringLayout sl_panel_3 = new SpringLayout();
panel.setLayout(sl_panel_3);
@ -137,7 +141,7 @@ public class ServerTab implements ActionListener {
if (selected != null) {
return selected.toString();
} else {
return "Vanilla";
return "Latest";
}
}
@ -148,40 +152,52 @@ public class ServerTab implements ActionListener {
@Override
public void actionPerformed(ActionEvent e) {
if (e.getSource() == btnRemoveServer) {
GUI.getGUI().currentProfile().removeCollection(this);
GUI.getGUI().update();
ServerConsoles.update(GUI.getGUI().currentProfile().getCollections());
remove();
} else if (e.getSource() == btnBrowse) {
JFileChooser chooser = new JFileChooser();
chooser.setCurrentDirectory(new java.io.File("/"));
chooser.setDialogTitle("Backup folder");
chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
chooser.setAcceptAllFileFilterUsed(false);
if (chooser.showOpenDialog(null) == JFileChooser.APPROVE_OPTION) {
directory.setText(chooser.getSelectedFile().toString());
}
browse();
} else if (e.getSource() == serverTypes) {
serverVersions.removeAllItems();
String selectedserverTypes = null;
Object selectedType = serverTypes.getSelectedItem();
if (selectedType != null) {
selectedserverTypes = selectedType.toString();
}
if (selectedserverTypes != null) {
if (selectedserverTypes.equals("Custom")) {
serverVersions.setEditable(true);
} else {
serverVersions.setEditable(false);
ServerType current = null;
for (ServerType servertype : ServerType.getServerTypes()) {
if (servertype.getName().equals(selectedserverTypes)) {
current = servertype;
}
serverTypes();
}
}
private void remove() {
Profile.getCurrent().removeCollection(name);
Main.gui().update();
ServerConsoles.update();
}
private void browse() {
JFileChooser chooser = new JFileChooser();
chooser.setCurrentDirectory(new java.io.File("/"));
chooser.setDialogTitle("Server folder");
chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
chooser.setAcceptAllFileFilterUsed(false);
if (chooser.showOpenDialog(null) == JFileChooser.APPROVE_OPTION) {
directory.setText(chooser.getSelectedFile().toString());
}
}
private void serverTypes() {
serverVersions.removeAllItems();
String selectedserverTypes = null;
Object selectedType = serverTypes.getSelectedItem();
if (selectedType != null) {
selectedserverTypes = selectedType.toString();
}
if (selectedserverTypes != null) {
if (selectedserverTypes.equals("Custom")) {
serverVersions.setEditable(true);
} else {
serverVersions.setEditable(false);
ServerType current = null;
for (ServerType servertype : ServerType.getServerTypes()) {
if (servertype.getName().equals(selectedserverTypes)) {
current = servertype;
}
if (current != null) {
for (String version : current.getVersions()) {
serverVersions.addItem(version);
}
}
if (current != null) {
for (String version : current.getVersions()) {
serverVersions.addItem(version);
}
}
}