Version 2.2.0 files

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>com.olliejw</groupId>
     <artifactId>OreMarket</artifactId>
-    <version>2.0-ALPHA</version>
+    <version>2.2.0</version>
     <packaging>jar</packaging>
 
     <name>OreMarket</name>
@@ -62,6 +62,10 @@
             <id>sonatype</id>
             <url>https://oss.sonatype.org/content/groups/public/</url>
         </repository>
+        <repository>
+            <id>placeholderapi</id>
+            <url>https://repo.extendedclip.com/content/repositories/placeholderapi/</url>
+        </repository>
     </repositories>
 
     <dependencies>
@@ -78,5 +82,12 @@
             <scope>system</scope>
             <systemPath>${project.basedir}/jars/Vault.jar</systemPath>
         </dependency>
+        <dependency>
+            <groupId>me.clip</groupId>
+            <artifactId>placeholderapi</artifactId>
+            <version>2.10.10</version>
+            <scope>system</scope>
+            <systemPath>${project.basedir}/jars/PlaceholderAPI-2.10.10.jar</systemPath>
+        </dependency>
     </dependencies>
 </project>

src/main/java/com/olliejw/oremarket/Chat/ValueUpdates.java

@@ -1,7 +1,7 @@
 package com.olliejw.oremarket.Chat;
 
 import com.olliejw.oremarket.OreMarket;
-import com.olliejw.oremarket.Utils.PlaceHolders;
+import com.olliejw.oremarket.Utils.Placeholders;
 import org.bukkit.Bukkit;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.entity.Player;
@@ -9,13 +9,13 @@ import org.bukkit.entity.Player;
 import java.util.Objects;
 
 public class ValueUpdates {
-    PlaceHolders plh = new PlaceHolders();
+    Placeholders plh = new Placeholders();
 
     public void announceValue() {
         Bukkit.getScheduler().scheduleSyncRepeatingTask(OreMarket.main(), () -> {
             for (String key : Objects.requireNonNull(OreMarket.main().getGuiConfig().getConfigurationSection("items")).getKeys(false)) {
                 ConfigurationSection keySection = Objects.requireNonNull(OreMarket.main().getGuiConfig().getConfigurationSection("items")).getConfigurationSection(key);
-                String message = OreMarket.main().getConfig().getString("valueupdates.format");
+                String message = OreMarket.main().getConfig().getString("valuemessage.format");
 
                 assert keySection != null;
                 assert message != null;
@@ -28,6 +28,6 @@ public class ValueUpdates {
                 }
             }
 
-        }, 0L, (OreMarket.main().getConfig().getInt("valueupdates.time")* 20L*60));
+        }, 0L, (OreMarket.main().getConfig().getInt("valuemessage.time")* 20L*60));
     }
 }

src/main/java/com/olliejw/oremarket/Commands/OpenMarket.java

@@ -1,18 +1,18 @@
 package com.olliejw.oremarket.Commands;
 
-import com.olliejw.oremarket.Utils.AddItem;
+import com.olliejw.oremarket.Inventory.CreateGUI;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
 public class OpenMarket implements CommandExecutor {
-    AddItem addItem = new AddItem();
+    CreateGUI createGUI = new CreateGUI();
     @Override
     public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
         if (command.getName().equalsIgnoreCase("openmarket")) {
             if (sender.hasPermission("oremarket.open")) {
-                addItem.createGUI((Player) sender);
+                createGUI.createGUI((Player) sender);
             }
         }
         return true;

src/main/java/com/olliejw/oremarket/Commands/Reload.java

@@ -1,8 +1,6 @@
 package com.olliejw.oremarket.Commands;
 
-import com.olliejw.oremarket.Chat.ValueUpdates;
 import com.olliejw.oremarket.OreMarket;
-import com.olliejw.oremarket.Utils.AddItem;
 import org.bukkit.ChatColor;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;

src/main/java/com/olliejw/oremarket/Commands/StatsCommands.java

@@ -1,9 +1,6 @@
 package com.olliejw.oremarket.Commands;
 
 import com.olliejw.oremarket.Utils.Stats;
-import net.md_5.bungee.api.chat.ClickEvent;
-import net.md_5.bungee.api.chat.TextComponent;
-import org.bukkit.ChatColor;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;

src/main/java/com/olliejw/oremarket/Events/MarketCrash.java

@@ -12,21 +12,28 @@ import java.util.Objects;
 
 public class MarketCrash implements Listener {
     public void forceCrash() {
+        // Notification
         String notification = OreMarket.main().getConfig().getString("marketcrash.message");
         for (Player player: Bukkit.getOnlinePlayers()) {
             assert notification != null;
-            player.sendMessage(ChatColor.translateAlternateColorCodes('&', notification).replace("[amount]", Objects.requireNonNull(OreMarket.main().getConfig().getString("marketcrash.amount"))));
+            String message = ChatColor.translateAlternateColorCodes('&', notification).replace("[amount]", Objects.requireNonNull(OreMarket.main().getConfig().getString("marketcrash.amount")));
+            player.sendMessage(message);
+
             player.playSound(player.getLocation(), Sound.ENTITY_ITEM_BREAK, 10.0F, 1);
         }
+
+        // Change value
         for (String key : Objects.requireNonNull(OreMarket.main().getGuiConfig().getConfigurationSection("items")).getKeys(false)) {
             ConfigurationSection keySection = Objects.requireNonNull(OreMarket.main().getGuiConfig().getConfigurationSection("items")).getConfigurationSection(key);
             assert keySection != null;
+            if(keySection.getDouble("value") > 0) {
                 double value = keySection.getDouble("value");
                 double amount = OreMarket.main().getConfig().getDouble("marketcrash.amount");
                 keySection.set("value", (value * (1 - (amount / 100))));
                 OreMarket.main().saveGuiConfig();
             }
         }
+    }
 
     public void startCrash() {
         if (OreMarket.main().getConfig().getBoolean("marketcrash.enabled")) {

src/main/java/com/olliejw/oremarket/Inventory/CreateGUI.java

@@ -0,0 +1,74 @@
+package com.olliejw.oremarket.Inventory;
+
+import com.olliejw.oremarket.OreMarket;
+import com.olliejw.oremarket.Utils.Placeholders;
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.Material;
+import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Listener;
+import org.bukkit.inventory.Inventory;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
+import org.bukkit.inventory.meta.SkullMeta;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+public class CreateGUI implements Listener {
+    String title = OreMarket.main().getGuiConfig().getString("gui.title");
+    int rows = OreMarket.main().getGuiConfig().getInt("gui.rows");
+    Inventory inv = Bukkit.createInventory(null, rows*9, ChatColor.translateAlternateColorCodes('&', title));
+    Placeholders plh = new Placeholders();
+    SkullMeta skullMeta;
+
+    public void createGUI (Player player) {
+        for (String key : Objects.requireNonNull(OreMarket.main().getGuiConfig().getConfigurationSection("items")).getKeys(false)) {
+            ConfigurationSection keySection = Objects.requireNonNull(OreMarket.main().getGuiConfig().getConfigurationSection("items")).getConfigurationSection(key);
+            assert keySection != null;
+
+            // Getting the item type
+            ItemStack item = new ItemStack(Objects.requireNonNull(Material.matchMaterial(Objects.requireNonNull(keySection.getString("item")))));
+
+            // Getting the item meta
+            ItemMeta meta = item.getItemMeta(); assert meta != null;
+            String name = keySection.getString("name");
+
+            // Get the lore from config
+            List<String> lore = new ArrayList<>();
+            for (String loreItem : Objects.requireNonNull(keySection.getStringList("lore"))) {
+                String string = plh.format(loreItem, player, keySection);
+                lore.add(string);
+            }
+
+            // Set values
+            assert name != null;
+            meta.setDisplayName(plh.format(name, player, keySection));
+            meta.setLore(lore);
+            item.setItemMeta(meta);
+
+            // Player head?
+            if (Objects.requireNonNull(keySection.getString("item")).equals("PLAYER_HEAD")) {
+                skullMeta = (SkullMeta) item.getItemMeta();
+                String skullID = keySection.getString("head");
+                assert skullMeta != null;
+                assert skullID != null;
+                skullMeta.setOwningPlayer(Objects.requireNonNull(Bukkit.getPlayer(skullID)).getPlayer());
+                skullMeta.setLore(lore);
+                skullMeta.setDisplayName(plh.format(name, player, keySection));
+                item.setItemMeta(skullMeta);
+            }
+
+
+            // Set items and open GUI
+            inv.setItem(Integer.parseInt(key), item);
+            player.openInventory(inv);
+        }
+    }
+    public SkullMeta getSkullMeta() {
+        return skullMeta;
+    }
+}
+

src/main/java/com/olliejw/oremarket/Listeners/InventoryEvents.java

@@ -1,19 +1,26 @@
 package com.olliejw.oremarket.Listeners;
 
+import com.olliejw.oremarket.Inventory.CreateGUI;
 import com.olliejw.oremarket.OreMarket;
-import com.olliejw.oremarket.Utils.Stats;
+import com.olliejw.oremarket.Utils.Placeholders;
+import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.Material;
 import org.bukkit.OfflinePlayer;
+import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.entity.HumanEntity;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.inventory.ClickType;
 import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.event.inventory.InventoryDragEvent;
+import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.InventoryView;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.SkullMeta;
 
+import java.text.DecimalFormat;
+import java.text.Format;
 import java.util.Objects;
 
 public class InventoryEvents implements Listener {
@@ -37,9 +44,9 @@ public class InventoryEvents implements Listener {
         double currentIncrease = ((Current / 100.0) * (100 + multiplier));
         double currentDecrease = ((Current / 100.0) * (100 - multiplier));
         if (Positive) {
-            OreMarket.main().getGuiConfig().set("items." + Slot + ".value", currentIncrease);
+            OreMarket.main().getGuiConfig().set("items." + Slot + ".value", Math.round(currentIncrease*100.0)/100.0);
         } else {
-            OreMarket.main().getGuiConfig().set("items." + Slot + ".value", currentDecrease);
+            OreMarket.main().getGuiConfig().set("items." + Slot + ".value", Math.round(currentDecrease*100.0)/100.0);
         }
         OreMarket.main().saveGuiConfig();
     }
@@ -57,44 +64,76 @@ public class InventoryEvents implements Listener {
     }
 
     String title = ChatColor.translateAlternateColorCodes('&', Objects.requireNonNull(OreMarket.main().getGuiConfig().getString("gui.title")));
+    Placeholders plh = new Placeholders();
+    CreateGUI createGUI = new CreateGUI();
 
     @EventHandler
     public void clickEvent (InventoryClickEvent event) {
-        org.bukkit.inventory.Inventory playerInventory = event.getWhoClicked().getInventory(); // Player's inventory
+        Inventory playerInventory = event.getWhoClicked().getInventory(); // Player's inventory
         InventoryView playerView = event.getView(); // Player's inventory view
         HumanEntity player = event.getWhoClicked(); // Player that clicked
 
+        ConfigurationSection keySection = null;
+        for (String key : Objects.requireNonNull(OreMarket.main().getGuiConfig().getConfigurationSection("items")).getKeys(false)) {
+            keySection = Objects.requireNonNull(OreMarket.main().getGuiConfig().getConfigurationSection("items")).getConfigurationSection(key);
+        }
         if (event.getCurrentItem() == null) { return; } // Null check. Prevents errors
-        if (playerView.getTitle().equals(ChatColor.translateAlternateColorCodes('&', title))) { event.setCancelled(true); // I know. Its a bad way of checking.
+        if (playerView.getTitle().equals(ChatColor.translateAlternateColorCodes('&', title))) {
-            double value = OreMarket.main().getGuiConfig().getDouble("items." + event.getSlot() + ".value"); // Ore Value
+            event.setCancelled(true); // I know. Its a bad way of checking.
-            int stock = OreMarket.main().getGuiConfig().getInt("items." + event.getSlot() + ".stock"); // Ore stock
             String itemConfig = OreMarket.main().getGuiConfig().getString("items." + event.getSlot() + ".item"); // Config location of item
-            boolean close = OreMarket.main().getGuiConfig().getBoolean("items." + event.getSlot() + ".close");
+            ItemStack clickedItem;
 
             assert itemConfig != null;
-            ItemStack clickedItem = new ItemStack(Objects.requireNonNull(Material.matchMaterial(itemConfig))); // Item that user clicked
+            clickedItem = new ItemStack(Objects.requireNonNull(Material.matchMaterial(itemConfig))); // Item that user clicked
+            int slot = event.getSlot();
 
-            if (event.getClick() == ClickType.LEFT) { // Sell Mode
+            if ((event.getClick() == ClickType.LEFT) && (!OreMarket.main().getGuiConfig().getBoolean("items." + event.getSlot() + ".buyonly"))) { // Sell Mode
-                if (playerInventory.containsAtLeast(clickedItem, 1)) {
+                double value = OreMarket.main().getGuiConfig().getDouble("items." + slot + ".value");
+                int stock = OreMarket.main().getGuiConfig().getInt("items." + slot + ".stock");
+                if (playerInventory.containsAtLeast(clickedItem, 1) || OreMarket.main().getGuiConfig().getBoolean("items." + slot + ".copymeta")) {
+                    if (OreMarket.main().getGuiConfig().getBoolean("items." + slot + ".copymeta")) {
+                        playerInventory.removeItem(event.getCurrentItem());
+                    }
+                    else {
                         playerInventory.removeItem(clickedItem);
+                    }
                     addMoney(value, player);
-                    valueChange(event.getSlot(), value, true);
+                    valueChange(slot, value, true);
-                    stockChange(event.getSlot(), stock, 1, true);
+                    stockChange(slot, stock, 1, true);
                 }
             }
-            if (event.getClick() == ClickType.RIGHT) { // Buy Mode
+            if ((event.getClick() == ClickType.RIGHT) && (!OreMarket.main().getGuiConfig().getBoolean("items." + event.getSlot() + ".sellonly"))) { // Buy Mode
+                double value = OreMarket.main().getGuiConfig().getDouble("items." + slot + ".value");
+                int stock = OreMarket.main().getGuiConfig().getInt("items." + slot + ".stock");
                 if (balance(player) > value) {
-                    if (stock > 1 || stock == -1) { if (value < 1) { return; }
+                    if ((stock > 1 || stock == -1) && (value > 1)) {
+                        if (OreMarket.main().getGuiConfig().getBoolean("items." + slot + ".copymeta")) {
+                            playerInventory.addItem(event.getCurrentItem());
+                        }
+                        else {
                             playerInventory.addItem(clickedItem);
+                        }
                         takeMoney(value, player);
-                        valueChange(event.getSlot(), value, false);
+                        valueChange(slot, value, false);
-                        stockChange(event.getSlot(), stock, 1, false);
+                        stockChange(slot, stock, 1, false);
                     }
                 }
             }
-            if (close) {
+
+            assert keySection != null;
+            for (String command : Objects.requireNonNull(OreMarket.main().getGuiConfig().getStringList("items." + event.getSlot() + ".commands"))) {
+                if (command != null) { String toSend = plh.format(command, player, keySection);
+                    if (toSend.equals("[close]")) {
                         player.closeInventory();
                     }
+                    else if (toSend.contains("[msg]")) {
+                        player.sendMessage(toSend.replace("[msg] ", ""));
+                    }
+                    else {
+                        Bukkit.dispatchCommand(player, toSend);
+                    }
+                }
+            }
         }
     }
 

src/main/java/com/olliejw/oremarket/Metrics.java

@@ -9,13 +9,7 @@ import java.io.InputStreamReader;
 import java.lang.reflect.Method;
 import java.net.URL;
 import java.nio.charset.StandardCharsets;
-import java.util.Arrays;
+import java.util.*;
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Objects;
-import java.util.Set;
-import java.util.UUID;
 import java.util.concurrent.Callable;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
@@ -576,10 +570,8 @@ public class Metrics {
 
         /**
          * Class constructor.
-         *
          *  @param chartId The id of the chart.
-         * @param callable The callable which is used to request the chart data.
+         * @param callable The callable which is used to request the chart data.*/
-         */
         public SimplePie(String chartId, Callable<String> callable) {
             super(chartId);
             this.callable = callable;

src/main/java/com/olliejw/oremarket/OreMarket.java

@@ -1,4 +1,5 @@
 package com.olliejw.oremarket;
+
 import com.olliejw.oremarket.Chat.ValueUpdates;
 import com.olliejw.oremarket.Commands.CrashMarket;
 import com.olliejw.oremarket.Commands.OpenMarket;
@@ -6,9 +7,9 @@ import com.olliejw.oremarket.Commands.Reload;
 import com.olliejw.oremarket.Commands.StatsCommands;
 import com.olliejw.oremarket.Events.MarketCrash;
 import com.olliejw.oremarket.Listeners.InventoryEvents;
+import com.olliejw.oremarket.Utils.Placeholders;
 import com.olliejw.oremarket.Utils.Stats;
-import com.olliejw.oremarket.Utils.UpdateChecker;
+import com.olliejw.oremarket.Utils.Updates;
-
 import net.milkbowl.vault.economy.Economy;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
@@ -16,27 +17,28 @@ import org.bukkit.configuration.InvalidConfigurationException;
 import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
+import org.bukkit.event.Listener;
 import org.bukkit.plugin.RegisteredServiceProvider;
 import org.bukkit.plugin.java.JavaPlugin;
 
 import java.io.File;
 import java.io.IOException;
+import java.util.List;
 import java.util.Objects;
 import java.util.concurrent.Callable;
 import java.util.logging.Logger;
 
-public final class OreMarket extends JavaPlugin {
+public final class OreMarket extends JavaPlugin implements Listener {
     ValueUpdates valueUpdates = new ValueUpdates();
     MarketCrash mkCrash = new MarketCrash();
     Stats stats = new Stats();
 
+    private File guiFile;
+    private FileConfiguration guiConfig;
     private static OreMarket instance;
     private static final Logger log = Logger.getLogger("Minecraft");
     private static Economy econ = null;
 
-    private File guiFile;
-    private FileConfiguration guiConfig;
-
     public void onEnable() {
         instance = this;
         saveDefaultConfig();
@@ -44,7 +46,7 @@ public final class OreMarket extends JavaPlugin {
         Logger logger = this.getLogger();
 
         // Spigot and bStats
-        new UpdateChecker(this, 91015).getVersion(version -> {
+        new Updates(this, 91015).getVersion(version -> {
             if (this.getDescription().getVersion().equalsIgnoreCase(version)) {
                 logger.info("You are up to date!");
             } else {
@@ -84,7 +86,13 @@ public final class OreMarket extends JavaPlugin {
             log.severe(String.format("[%s] - Disabled due to no Vault dependency found!", getDescription().getName()));
             getServer().getPluginManager().disablePlugin(this);
         }
+
+        // Placeholder API
+        if(Bukkit.getPluginManager().getPlugin("PlaceholderAPI") != null){
+            new Placeholders().register();
         }
+    }
+
 
     public FileConfiguration getGuiConfig() {
         return this.guiConfig;
@@ -104,7 +112,6 @@ public final class OreMarket extends JavaPlugin {
             e.printStackTrace();
         }
     }
-
     public void saveGuiConfig() {
         try {
             guiConfig.save(guiFile);
@@ -120,6 +127,7 @@ public final class OreMarket extends JavaPlugin {
         }
     }
 
+
     public static OreMarket main(){
         return instance;
     }

src/main/java/com/olliejw/oremarket/Utils/Economy.java

@@ -0,0 +1,4 @@
+package com.olliejw.oremarket.Utils;
+
+public class Economy {
+}

src/main/java/com/olliejw/oremarket/Utils/Placeholders.java

@@ -0,0 +1,109 @@
+package com.olliejw.oremarket.Utils;
+
+import com.olliejw.oremarket.OreMarket;
+import me.clip.placeholderapi.PlaceholderAPI;
+import me.clip.placeholderapi.expansion.PlaceholderExpansion;
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.entity.HumanEntity;
+import org.bukkit.entity.Player;
+
+import java.text.DecimalFormat;
+import java.text.Format;
+import java.util.Objects;
+
+public class Placeholders extends PlaceholderExpansion {
+
+    // Return placeholders
+    public String format(String string, HumanEntity player, ConfigurationSection configurationSection) {
+        Player playerObj = (Player) player;
+        String name = configurationSection.getString("name");
+        final Format DECIMAL_FORMAT = new DecimalFormat("#0.0#");
+        int stock = configurationSection.getInt("stock");
+        double value = configurationSection.getDouble("value");
+        double cost = configurationSection.getDouble("cost");
+        double difference = (value - cost);
+        double change = (value / cost);
+        double percent = ((change * 100) - 100);
+        double balance = OreMarket.getEconomy().getBalance(playerObj);
+
+        assert name != null;
+        String formatted = ChatColor.translateAlternateColorCodes('&', string
+                .replace("[name]", name)
+                .replace("[stock]", String.valueOf(stock))
+                .replace("[value]", DECIMAL_FORMAT.format(value))
+                .replace("[cost]", DECIMAL_FORMAT.format(cost))
+                .replace("[change]", DECIMAL_FORMAT.format(difference))
+                .replace("[percent]", DECIMAL_FORMAT.format(percent))
+                .replace("[balance]", DECIMAL_FORMAT.format(balance))
+        );
+        return PlaceholderAPI.setPlaceholders(playerObj, formatted);
+    }
+
+
+    // Placeholder API
+
+    @Override
+    public boolean canRegister() {
+        return true;
+    }
+
+    @Override
+    public String getAuthor(){
+        return OreMarket.main().getDescription().getAuthors().toString();
+    }
+
+    @Override
+    public String getIdentifier() {
+        return "oremarket";
+    }
+
+    @Override
+    public String getVersion() {
+        return OreMarket.main().getDescription().getVersion();
+    }
+
+    @Override
+    public boolean persist() {
+        return true;
+    }
+
+    @Override
+    public String onPlaceholderRequest(Player player, String identifier){
+        for (String key : Objects.requireNonNull(OreMarket.main().getGuiConfig().getConfigurationSection("items")).getKeys(false)) {
+            ConfigurationSection keySection = Objects.requireNonNull(OreMarket.main().getGuiConfig().getConfigurationSection("items")).getConfigurationSection(key);
+            assert keySection != null;
+
+            final Format df = new DecimalFormat("#0.0#");
+            double difference = (keySection.getDouble("value") - keySection.getDouble("cost"));
+            double change = (keySection.getDouble("value") / keySection.getDouble("cost"));
+            double percent = ((change * 100) - 100);;
+
+            // %oremarket_{identifier}_{slot}%
+            if (identifier.equals("value_" + key)) {
+                return String.valueOf(keySection.getDouble("value"));
+            }
+            if (identifier.equals("name_" + key)) {
+                return keySection.getString("name");
+            }
+            if (identifier.equals("stock_" + key)) {
+                return String.valueOf(keySection.getInt("stock"));
+            }
+            if (identifier.equals("cost_" + key)) {
+                return String.valueOf(keySection.getDouble("cost"));
+            }
+            if (identifier.equals("change_" + key)) {
+                return df.format(difference);
+            }
+            if (identifier.equals("percent_" + key)) {
+                return df.format(percent);
+            }
+            if (identifier.equals("test")) {
+                return "Oremarket PAPI works!";
+            }
+        }
+        return null;
+    }
+}

src/main/java/com/olliejw/oremarket/Utils/Stats.java

@@ -33,4 +33,5 @@ public class Stats {
 
         }, 0L, 10*20);
     }
+
 }

src/main/java/com/olliejw/oremarket/Utils/Updates.java

@@ -0,0 +1,33 @@
+package com.olliejw.oremarket.Utils;
+
+import org.bukkit.Bukkit;
+import org.bukkit.plugin.java.JavaPlugin;
+import org.bukkit.util.Consumer;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.util.Scanner;
+
+public class Updates {
+
+    private final JavaPlugin plugin;
+    private final int resourceId;
+
+    public Updates(JavaPlugin plugin, int resourceId) {
+        this.plugin = plugin;
+        this.resourceId = resourceId;
+    }
+
+    public void getVersion(final Consumer<String> consumer) {
+        Bukkit.getScheduler().runTaskAsynchronously(this.plugin, () -> {
+            try (InputStream inputStream = new URL("https://api.spigotmc.org/legacy/update.php?resource=" + this.resourceId).openStream(); Scanner scanner = new Scanner(inputStream)) {
+                if (scanner.hasNext()) {
+                    consumer.accept(scanner.next());
+                }
+            } catch (IOException exception) {
+                this.plugin.getLogger().info("Cannot look for updates: " + exception.getMessage());
+            }
+        });
+    }
+}

src/main/resources/config.yml

@@ -4,7 +4,7 @@
 
 prefix: '&bOreMarket '
 
-valueupdates:
+valuemessage:
   # Time (in minutes) to send this message
   time: 5
   # The below will look like: (These values are just examples)
@@ -24,7 +24,7 @@ multiplier: 0.01
 # As this is experimental I recommend that you do not enable this with a server full of people
 marketcrash:
   enabled: false
-  time: 8 # Hours
+  time: 8 # Hours to repeat
   amount: 80 # Amount (%) the values of ores will decrease
   message: >
     &4&lMARKET CRASH! ORE VALUES DECREASED BY UP TO [amount]%

src/main/resources/gui.yml

@@ -51,7 +51,8 @@ items:
     name: '&cClose'
     lore:
       - '&cClose GUI'
-    close: true
+    commands:
+      - '[close]'
     hide: true
 
   6:
@@ -59,4 +60,6 @@ items:
     name: '&aBalance'
     lore:
       - '&a$[balance]'
+    commands:
+      - '[msg] Your balance: [balance]'
     hide: true

src/main/resources/plugin.yml

@@ -3,6 +3,7 @@ version: ${project.version}
 main: com.olliejw.oremarket.OreMarket
 api-version: 1.16
 depend: [ Vault ]
+softdepend: [ PlaceholderAPI ]
 authors: [ OllieJW ]
 description: Realistic stock market for ores