Add EnderVaults converter

src/main/java/com/drtshock/playervaults/commands/ConvertCommand.java

@@ -19,10 +19,7 @@
 package com.drtshock.playervaults.commands;
 
 import com.drtshock.playervaults.PlayerVaults;
-import com.drtshock.playervaults.converters.BackpackConverter;
+import com.drtshock.playervaults.converters.*;
-import com.drtshock.playervaults.converters.Converter;
-import com.drtshock.playervaults.converters.Cosmic2Converter;
-import com.drtshock.playervaults.converters.Cosmic3Converter;
 import com.drtshock.playervaults.vaultmanagement.VaultOperations;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;
@@ -40,6 +37,7 @@ public class ConvertCommand implements CommandExecutor {
         converters.add(new BackpackConverter());
         converters.add(new Cosmic2Converter());
         converters.add(new Cosmic3Converter());
+        converters.add(new EnderVaultsConverter());
         this.plugin = plugin;
     }
 

src/main/java/com/drtshock/playervaults/converters/EnderVaultsConverter.java

@@ -0,0 +1,127 @@
+/*
+ * PlayerVaultsX
+ * Copyright (C) 2013 Trent Hensler, turt2live
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.drtshock.playervaults.converters;
+
+import com.drtshock.playervaults.PlayerVaults;
+import com.drtshock.playervaults.vaultmanagement.VaultManager;
+import org.bukkit.command.CommandSender;
+import org.bukkit.inventory.Inventory;
+import org.bukkit.plugin.Plugin;
+
+import java.io.IOException;
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodHandles;
+import java.lang.invoke.MethodType;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.logging.Level;
+import java.util.stream.Stream;
+
+public class EnderVaultsConverter implements Converter {
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public int run(CommandSender initiator) {
+        PlayerVaults plugin = PlayerVaults.getInstance();
+        VaultManager vaultManager = VaultManager.getInstance();
+
+        Path path = plugin.getDataFolder().toPath().getParent().resolve("EnderVaults").resolve("data");
+        if (!Files.isDirectory(path)) {
+            plugin.getLogger().warning("Could not find EnderVaults data folder");
+            return -1;
+        }
+
+        MethodHandle load;
+        MethodHandle getInventory;
+        MethodHandle getMetadata;
+        Plugin enderVaultsPlugin = plugin.getServer().getPluginManager().getPlugin("EnderVaults");
+        Object dataStorage;
+
+        if (enderVaultsPlugin == null) {
+            plugin.getLogger().warning("EnderVaults not running. Need it to convert.");
+            return -1;
+        }
+        try {
+            Class<?> pluginClass = Class.forName("com.github.dig.endervaults.api.EnderVaultsPlugin");
+            Class<?> dataStorageClass = Class.forName("com.github.dig.endervaults.api.storage.DataStorage");
+            Class<?> bukkitVaultClass = Class.forName("com.github.dig.endervaults.bukkit.vault.BukkitVault");
+
+            MethodHandles.Lookup lookup = MethodHandles.publicLookup();
+
+            MethodType typeGetDataStorage = MethodType.methodType(dataStorageClass);
+            MethodHandle getDataStorage = lookup.findVirtual(pluginClass, "getDataStorage", typeGetDataStorage);
+
+            dataStorage = getDataStorage.invoke(enderVaultsPlugin);
+
+            MethodType typeLoad = MethodType.methodType(List.class, UUID.class);
+            load = lookup.findVirtual(dataStorageClass, "load", typeLoad);
+            MethodType typeGetInventory = MethodType.methodType(Inventory.class);
+            getInventory = lookup.findVirtual(bukkitVaultClass, "getInventory", typeGetInventory);
+            MethodType typeGetMetadata = MethodType.methodType(Map.class);
+            getMetadata = lookup.findVirtual(bukkitVaultClass, "getMetadata", typeGetMetadata);
+
+            if (!pluginClass.isAssignableFrom(enderVaultsPlugin.getClass())) {
+                plugin.getLogger().warning("EnderVaults plugin not of expected type");
+                return -1;
+            }
+        } catch (Throwable e) {
+            e.printStackTrace();
+            return -1;
+        }
+
+        AtomicInteger playerCount = new AtomicInteger(0);
+        try (Stream<Path> dir = Files.list(path)) {
+            dir.forEach(f -> {
+                if (!Files.isDirectory(f)) {
+                    return;
+                }
+                try {
+                    List<Object> list = (List<Object>) load.invoke(dataStorage, UUID.fromString(f.getFileName().toString()));
+                    for (Object vault : list) {
+                        Inventory inventory = (Inventory) getInventory.invoke(vault);
+                        Map<String, Object> meta = (Map<String, Object>) getMetadata.invoke(vault);
+                        Integer order = (Integer) meta.get("order");
+                        vaultManager.saveVault(inventory, f.getFileName().toString(), order);
+                    }
+                } catch (Throwable e) {
+                    e.printStackTrace();
+                    return;
+                }
+                playerCount.incrementAndGet();
+            });
+        } catch (IOException e) {
+            plugin.getLogger().log(Level.SEVERE, "Failed. ", e);
+        }
+        return playerCount.get();
+    }
+
+    @Override
+    public boolean canConvert() {
+        return Files.isDirectory(PlayerVaults.getInstance().getDataFolder().toPath().getParent().resolve("EnderVaults").resolve("data"));
+    }
+
+    @Override
+    public String getName() {
+        return "EnderVaults";
+    }
+}