SpigotCore_Main/src/de/steamwar/coms/receiver/Handler.java

@@ -6,5 +6,5 @@ public abstract class Handler {
 
     protected abstract String getName();
 
-    public abstract void handle(ByteArrayDataInput byteArrayDataInput) throws Exception;
+    public abstract void handle(ByteArrayDataInput byteArrayDataInput);
 }

SpigotCore_Main/src/de/steamwar/coms/receiver/PacketHandler.java

@@ -3,7 +3,6 @@ package de.steamwar.coms.receiver;
 import com.google.common.io.ByteArrayDataInput;
 import com.google.common.io.ByteStreams;
 import de.steamwar.coms.receiver.handlers.PingHandler;
-import de.steamwar.coms.receiver.handlers.TestHandler;
 import org.bukkit.entity.Player;
 import org.bukkit.plugin.messaging.PluginMessageListener;
 
@@ -19,17 +18,12 @@ public class PacketHandler implements PluginMessageListener {
     }
 
     static {
-        registerHandler(new TestHandler());
         registerHandler(new PingHandler());
     }
 
     @Override
     public void onPluginMessageReceived(String s, Player player, byte[] bytes) {
         ByteArrayDataInput in = ByteStreams.newDataInput(bytes);
-        try {
-            handlerMap.get(in.readUTF()).handle(in);
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
+        handlerMap.get(in.readUTF()).handle(in);
     }
 }

SpigotCore_Main/src/de/steamwar/coms/receiver/handlers/InventoryHandler.java

@@ -0,0 +1,53 @@
+package de.steamwar.coms.receiver.handlers;
+
+import com.google.common.io.ByteArrayDataInput;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import de.steamwar.coms.receiver.Handler;
+import de.steamwar.coms.sender.packets.InventoryCallbackPacket;
+import de.steamwar.inventory.SWInventory;
+import de.steamwar.inventory.SWItem;
+import org.bukkit.Bukkit;
+import org.bukkit.Material;
+
+import java.util.*;
+
+public class InventoryHandler extends Handler {
+
+    private static HashMap<String, String> callbacks = new HashMap<>();
+
+    @Override
+    protected String getName() {
+        return "Inventory";
+    }
+
+    @Override
+    public void handle(ByteArrayDataInput byteArrayDataInput) {
+        String name = byteArrayDataInput.readUTF();
+        String player = byteArrayDataInput.readUTF();
+        String title = byteArrayDataInput.readUTF();
+        int size = byteArrayDataInput.readInt();
+        int lenght = byteArrayDataInput.readInt();
+        Map<Integer, SWItem> items = new HashMap<>();
+        for (int i = 0; i < lenght; i++) {
+            JsonObject object = new JsonParser().parse(byteArrayDataInput.readUTF()).getAsJsonObject();
+            SWItem item = new SWItem(Material.valueOf(object.get("material").getAsString()), object.get("title").getAsString());
+            if(object.has("skullOwner")) {
+                item = SWItem.getPlayerSkull(object.get("skullOwner").getAsString());
+                item.setName(object.get("title").getAsString());
+            }
+            if(object.has("enchanted"))
+                item.setEnchanted(true);
+            if(object.has("hideAttributes"))
+                item.hideAttributes();
+            SWItem finalItem = item;
+            item.setCallback(click -> {
+                new InventoryCallbackPacket().setItem(finalItem).setPosition(object.get("position").getAsInt()).setTitle(title).send();
+            });
+            items.put(object.get("position").getAsInt(), item);
+        }
+
+        SWInventory inventory = new SWInventory(Bukkit.getPlayer(UUID.fromString(player)), size, title,items);
+        inventory.open();
+    }
+}

SpigotCore_Main/src/de/steamwar/coms/receiver/handlers/PingHandler.java

@@ -17,7 +17,7 @@ public class PingHandler extends Handler {
     }
 
     @Override
-    public void handle(ByteArrayDataInput byteArrayDataInput) throws Exception {
+    public void handle(ByteArrayDataInput byteArrayDataInput) {
         String uuid = byteArrayDataInput.readUTF();
         System.out.println(uuid);
         if(Bukkit.getPlayer(UUID.fromString(uuid)).isOnline()) {

SpigotCore_Main/src/de/steamwar/coms/receiver/handlers/TestHandler.java

@@ -1,17 +0,0 @@
-package de.steamwar.coms.receiver.handlers;
-
-import com.google.common.io.ByteArrayDataInput;
-import de.steamwar.coms.receiver.Handler;
-import org.bukkit.Bukkit;
-
-public class TestHandler extends Handler {
-    @Override
-    protected String getName() {
-        return "Test";
-    }
-
-    @Override
-    public void handle(ByteArrayDataInput byteArrayDataInput) throws Exception {
-        Bukkit.getOnlinePlayers().stream().forEach(player -> player.sendMessage("TEST!"));
-    }
-}

SpigotCore_Main/src/de/steamwar/coms/sender/Packet.java

@@ -1,4 +1,4 @@
-package de.steamwar.coms;
+package de.steamwar.coms.sender;
 
 import de.steamwar.coms.sender.PacketSender;
 

SpigotCore_Main/src/de/steamwar/coms/sender/PacketSender.java

@@ -2,7 +2,6 @@ package de.steamwar.coms.sender;
 
 import com.google.common.io.ByteArrayDataOutput;
 import com.google.common.io.ByteStreams;
-import de.steamwar.coms.Packet;
 import de.steamwar.core.Core;
 import org.bukkit.Bukkit;
 

SpigotCore_Main/src/de/steamwar/coms/sender/packets/InventoryCallbackPacket.java

@@ -0,0 +1,38 @@
+package de.steamwar.coms.sender.packets;
+
+import de.steamwar.coms.sender.Packet;
+import de.steamwar.inventory.SWItem;
+
+import java.io.ObjectOutputStream;
+
+public class InventoryCallbackPacket extends Packet {
+
+    String title;
+    int position;
+    SWItem item;
+
+    @Override
+    public String getName() {
+        return "InventoryCallback";
+    }
+
+    @Override
+    public void writeVars(ObjectOutputStream objectOutputStream) {
+
+    }
+
+    public InventoryCallbackPacket setTitle(String title) {
+        this.title = title;
+        return this;
+    }
+
+    public InventoryCallbackPacket setPosition(int position) {
+        this.position = position;
+        return this;
+    }
+
+    public InventoryCallbackPacket setItem(SWItem item) {
+        this.item = item;
+        return this;
+    }
+}

SpigotCore_Main/src/de/steamwar/inventory/SWItem.java

@@ -19,6 +19,8 @@
 
 package de.steamwar.inventory;
 
+import com.google.gson.JsonArray;
+import com.google.gson.JsonObject;
 import de.steamwar.core.Core;
 import org.bukkit.Material;
 import org.bukkit.OfflinePlayer;
@@ -137,7 +139,7 @@ public class SWItem {
         callback = c;
     }
 
-    private void hideAttributes() {
+    public void hideAttributes() {
         if (itemMeta == null) return;
         itemMeta.addItemFlags(ItemFlag.HIDE_ATTRIBUTES);
         itemMeta.addItemFlags(ItemFlag.HIDE_DESTROYS);
@@ -193,4 +195,25 @@ public class SWItem {
         }
         itemStack.setItemMeta(itemMeta);
     }
+
+    public String parseToJson(int position) {
+        JsonObject object = new JsonObject();
+        object.addProperty("material", itemStack.getType().toString());
+        object.addProperty("position", position);
+        object.addProperty("title", itemMeta.getDisplayName());
+        if(itemMeta.hasEnchant(Enchantment.DURABILITY))
+            object.addProperty("enchanted", true);
+        if(itemMeta.hasItemFlag(ItemFlag.HIDE_ENCHANTS))
+            object.addProperty("hideAttributes", true);
+        if(!itemMeta.getLore().isEmpty()) {
+            JsonArray array = new JsonArray();
+            for (String lores:
+                    itemMeta.getLore()) {
+                array.add(lores);
+            }
+            object.add("lore", array);
+        }
+
+        return object.getAsString();
+    }
 }