Removing usage of Pair class

src/de/steamwar/bungeecore/listeners/mods/Forge.java

@@ -5,7 +5,6 @@ import de.steamwar.bungeecore.listeners.BasicListener;
 import de.steamwar.bungeecore.sql.Mod;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.UnpooledByteBufAllocator;
-import javafx.util.Pair;
 import net.md_5.bungee.api.ProxyServer;
 import net.md_5.bungee.api.connection.Connection;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
@@ -74,11 +73,11 @@ public class Forge extends BasicListener {
         ProxiedPlayer p = (ProxiedPlayer) sender;
 
         if (data[0] == 2) {
-            Pair<Integer, Integer> numMods = Utils.readVarInt(data, 1);
+            Utils.VarInt numMods = Utils.readVarInt(data, 1);
             List<Mod> mods = new LinkedList<>();
 
-            int bytePos = 1 + numMods.getKey();
-            for (int i = 0; i < numMods.getValue(); i++) {
+            int bytePos = 1 + numMods.length;
+            for (int i = 0; i < numMods.value; i++) {
                 byte[] name = Arrays.copyOfRange(data, bytePos + 1, bytePos + data[bytePos] + 1);
                 bytePos += 1 + data[bytePos];
                 //Version information is unused

src/de/steamwar/bungeecore/listeners/mods/LabyMod.java

@@ -5,23 +5,22 @@ import com.google.gson.stream.JsonReader;
 import de.steamwar.bungeecore.BungeeCore;
 import de.steamwar.bungeecore.listeners.BasicListener;
 import de.steamwar.bungeecore.sql.Mod;
-import javafx.util.Pair;
 import net.md_5.bungee.api.ProxyServer;
 import net.md_5.bungee.api.connection.Connection;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
-import net.md_5.bungee.api.event.PlayerDisconnectEvent;
 import net.md_5.bungee.api.event.PluginMessageEvent;
 import net.md_5.bungee.event.EventHandler;
 
 import java.io.IOException;
 import java.io.StringReader;
 import java.nio.charset.StandardCharsets;
-import java.util.*;
+import java.util.Arrays;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.UUID;
 
 public class LabyMod extends BasicListener {
 
-    private static Set<ProxiedPlayer> labyModUsers = new HashSet<>();
-
     @EventHandler
     public void onPluginMessageEvent(PluginMessageEvent event){
         if(!event.getTag().equals("LMC"))
@@ -32,7 +31,6 @@ public class LabyMod extends BasicListener {
             return;
 
         event.setCancelled(true);
-        labyModUsers.add((ProxiedPlayer) sender);
         updateGameInfo((ProxiedPlayer) sender);
         byte[] data = event.getData();
 
@@ -40,15 +38,15 @@ public class LabyMod extends BasicListener {
     }
 
     private void runAsync(byte[] data, ProxiedPlayer player) {
-        Pair<Integer, String> purpose = readString(data, 0);
-        if(!"INFO".equals(purpose.getValue()))
+        VarString purpose = readString(data, 0);
+        if(!"INFO".equals(purpose.value))
             return;
 
-        Pair<Integer, String> value = readString(data, purpose.getKey());
+        VarString value = readString(data, purpose.length);
         List<Mod> mods = new LinkedList<>();
 
         try{
-            InfoPacket info = new InfoPacket(value.getValue());
+            InfoPacket info = new InfoPacket(value.value);
             for(InfoPacket.Addon addon : info.addons) {
                 mods.add(Mod.get(addon.name, Mod.Platform.LABYMOD));
             }
@@ -59,10 +57,10 @@ public class LabyMod extends BasicListener {
         Utils.handleMods(player, mods);
     }
 
-    private Pair<Integer, String> readString(byte[] array, int startPos){
-        Pair<Integer, Integer> varInt = Utils.readVarInt(array, startPos);
-        startPos += varInt.getKey();
-        return new Pair<>(varInt.getValue()+varInt.getKey(), new String(Arrays.copyOfRange(array, startPos, startPos + varInt.getValue()), StandardCharsets.UTF_8));
+    private VarString readString(byte[] array, int startPos){
+        Utils.VarInt varInt = Utils.readVarInt(array, startPos);
+        startPos += varInt.length;
+        return new VarString(varInt.value+varInt.length, new String(Arrays.copyOfRange(array, startPos, startPos + varInt.value), StandardCharsets.UTF_8));
     }
 
     private void updateGameInfo(ProxiedPlayer proxiedPlayer) {
@@ -76,6 +74,16 @@ public class LabyMod extends BasicListener {
         proxiedPlayer.sendData("LMC", output.getBytes());
     }
 
+    private static class VarString{
+        private final int length;
+        private final String value;
+
+        private VarString(int length, String value) {
+            this.length = length;
+            this.value = value;
+        }
+    }
+
     private static class InfoPacket{
         String version = null;
         Feature ccp = null;
@@ -154,11 +162,4 @@ public class LabyMod extends BasicListener {
             }
         }
     }
-
-    @EventHandler
-    public void onDisconnect(PlayerDisconnectEvent event){
-        labyModUsers.remove(event.getPlayer());
-    }
-
-    //TODO: PlayerHandshakeEvent
 }

src/de/steamwar/bungeecore/listeners/mods/Utils.java

@@ -4,7 +4,6 @@ import de.steamwar.bungeecore.BungeeCore;
 import de.steamwar.bungeecore.sql.Mod;
 import de.steamwar.bungeecore.sql.Mod.ModType;
 import de.steamwar.bungeecore.sql.SteamwarUser;
-import javafx.util.Pair;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
 
 import java.sql.Timestamp;
@@ -16,7 +15,7 @@ import java.util.List;
 class Utils {
     private Utils(){}
 
-    static Pair<Integer, Integer> readVarInt(byte[] array, int startPos) {
+    static VarInt readVarInt(byte[] array, int startPos) {
         int numRead = 0;
         int result = 0;
         byte read;
@@ -31,7 +30,7 @@ class Utils {
             }
         } while ((read & 0b10000000) != 0);
 
-        return new Pair<>(numRead, result);
+        return new VarInt(numRead, result);
     }
 
     static boolean handleMods(ProxiedPlayer player, List<Mod> mods){
@@ -68,4 +67,14 @@ class Utils {
 
         return false;
     }
+
+    static class VarInt{
+        final int length;
+        final int value;
+
+        VarInt(int length, int value){
+            this.length = length;
+            this.value = value;
+        }
+    }
 }