Add world files that store Itemcases for specific worlds.

src/main/java/com/gmail/bleedobsidian/itemcase/ItemCaseCore.java

@@ -19,8 +19,6 @@ import com.gmail.bleedobsidian.itemcase.Itemcase.ItemcaseListener;
 import com.gmail.bleedobsidian.itemcase.configurations.ConfigFile;
 import com.gmail.bleedobsidian.itemcase.managers.ItemcaseManager;
 import java.io.IOException;
-import java.util.logging.Level;
-import java.util.logging.Logger;
 import org.bukkit.plugin.java.JavaPlugin;
 
 /**
@@ -47,9 +45,9 @@ public final class ItemCaseCore extends JavaPlugin {
     private final ConsoleLogger consoleLogger = new ConsoleLogger(this);
     
     /**
-     * An instance of ItemcaseManager.
+     * ItemcaseManager.
      */
-    private final ItemcaseManager itemcaseManager = new ItemcaseManager();
+    private ItemcaseManager itemcaseManager;
 
     @Override
     public void onEnable() {
@@ -75,6 +73,9 @@ public final class ItemCaseCore extends JavaPlugin {
             return;
         }
         
+        // Initialize ItemcaseManager.
+        this.itemcaseManager = new ItemcaseManager();
+        
         // Register ItemcaseListener.
         this.getServer().getPluginManager().registerEvents(
                 new ItemcaseListener(), this);

src/main/java/com/gmail/bleedobsidian/itemcase/configurations/WorldFile.java

@@ -0,0 +1,141 @@
+/*
+ * ItemCase 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/gpl.html>.
+ */
+package com.gmail.bleedobsidian.itemcase.configurations;
+
+import com.gmail.bleedobsidian.itemcase.ConfigurationFile;
+import com.gmail.bleedobsidian.itemcase.ItemCaseCore;
+import com.gmail.bleedobsidian.itemcase.Itemcase;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Map;
+import java.util.Set;
+import java.util.UUID;
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.World;
+import org.bukkit.inventory.ItemStack;
+
+/**
+ * A configuration file that holds all Itemcase saves for a specific world.
+ * 
+ * @author Jesse Prescott (BleedObsidian)
+ */
+public class WorldFile extends ConfigurationFile {
+    
+    /**
+     * The world this configuration file is for.
+     */
+    private final World world;
+    
+    /**
+     * Constructor.
+     * 
+     * @param world World.
+     */
+    public WorldFile(World world) {
+        
+        // Append world name to config file name.
+        super(world.getName() + "/itemcases.yml", "itemcases.yml");
+        
+        // Set world.
+        this.world = world;
+    }
+    
+    /**
+     * Saves the given Itemcase to config.
+     * 
+     * @param itemcase Itemcase.
+     * @throws java.io.IOException
+     */
+    public void saveItemcase(Itemcase itemcase) throws IOException {
+        
+        // Get block coordinates of Itemcase.
+        int blockX = itemcase.getLocation().getBlockX();
+        int blockY = itemcase.getLocation().getBlockY();
+        int blockZ = itemcase.getLocation().getBlockZ();
+        
+        // Create a unique key for this itemcase based on location.
+        String key = "itemcases." + blockX + "/" + blockY + "/" + blockZ + ".";
+        
+        // Set this Itemcase's Owner.
+        String uuid = itemcase.getOwner().getUniqueId().toString();
+        this.file.set(key + "owner", uuid);
+        
+        // Set this Itemcase's ItemStack.
+        Map<String, Object> itemstack = itemcase.getItemStack().serialize();
+        this.file.set(key + "itemstack", itemstack);
+        
+        // Attempt to save to file.
+        this.save(ItemCaseCore.instance);
+    }
+    
+    /**
+     * Attempts to load all itemcases from the config.
+     * 
+     * @return Array list of loaded itemcases.
+     * @throws java.io.IOException
+     */
+    public ArrayList<Itemcase> loadItemcases() throws IOException {
+        
+        // Attempt to load raw config file.
+        this.load(ItemCaseCore.instance);
+        
+        // Create new array list to store loaded itemcases.
+        ArrayList<Itemcase> itemcases = new ArrayList<>();
+        
+        // Get the list of keys (itemcase locations).
+        Set<String> keys = 
+                this.file.getConfigurationSection("itemcases").getKeys(false);
+        
+        // For every key (itemcase).
+        for(String key : keys) {
+            
+            // Split key by '/' to obtain individual coordinates.
+            String[] coordinates = key.split("/");
+            
+            // Convert to block integer coordinates.
+            int blockX = Integer.parseInt(coordinates[0]);
+            int blockY = Integer.parseInt(coordinates[1]);
+            int blockZ = Integer.parseInt(coordinates[2]);
+            
+            // Create fuller key for ease of use later.
+            key = "itemcases." + key + ".";
+            
+            // Convert to location.
+            Location location = new Location(this.world, blockX, blockY,
+                    blockZ);
+            
+            // Get owner.
+            UUID uuid = UUID.fromString(this.file.getString(key + ".owner"));
+            OfflinePlayer owner = Bukkit.getOfflinePlayer(uuid);
+            
+            // Get ItemStack.
+            Map<String, Object> itemstackMap = 
+                    this.file.getConfigurationSection(key + "itemstack")
+                            .getValues(true);
+            ItemStack itemstack = ItemStack.deserialize(itemstackMap);
+            
+            // Create itemcase object.
+            Itemcase itemcase = new Itemcase(itemstack, location, owner);
+            
+            // Add to list.
+            itemcases.add(itemcase);
+        }
+        
+        // Return list of loaded itemcases.
+        return itemcases;
+    }
+}

src/main/java/com/gmail/bleedobsidian/itemcase/managers/ItemcaseManager.java

@@ -14,9 +14,15 @@
  */
 package com.gmail.bleedobsidian.itemcase.managers;
 
+import com.gmail.bleedobsidian.itemcase.ItemCaseCore;
 import com.gmail.bleedobsidian.itemcase.Itemcase;
+import com.gmail.bleedobsidian.itemcase.configurations.WorldFile;
+import java.io.IOException;
 import java.util.ArrayList;
+import java.util.HashMap;
+import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.World;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
 
@@ -28,10 +34,51 @@ import org.bukkit.inventory.ItemStack;
  */
 public final class ItemcaseManager {
     
+    /**
+     * A HashMap of each world and its corresponding WorldFile.
+     */
+    private final HashMap<World, WorldFile> worldFiles = new HashMap<>();
+    
     /**
      * A list of all active Itemcase instances.
      */
-    private final ArrayList<Itemcase> itemcases = new ArrayList<Itemcase>();
+    private final ArrayList<Itemcase> itemcases = new ArrayList<>();
+    
+    /**
+     * Constructor.
+     */
+    public ItemcaseManager() {
+        
+        // For every world.
+        for(World world : Bukkit.getWorlds()) {
+            
+            // Create WorldFile object.
+            WorldFile file = new WorldFile(world);
+            
+            // Add to hashmap.
+            this.worldFiles.put(world, file);
+            
+            // Attempt to load itemcases and add them to list.
+            try {
+                
+                // Load itemcaes.
+                ArrayList<Itemcase> loadedItemcases = file.loadItemcases();
+                
+                // Add to list.
+                this.itemcases.addAll(loadedItemcases);
+                
+            } catch (IOException e) {
+                
+                // Log error.
+                ItemCaseCore.instance.getConsoleLogger().severe(
+                        "Failed to load itemcases for world: " +
+                                world.getName(), e);
+                
+                // Exit.
+                return;
+            }
+        }
+    }
     
     /**
      * Create a new Itemcase.
@@ -48,6 +95,22 @@ public final class ItemcaseManager {
         
         // Add itemcase to the list.
         this.itemcases.add(itemcase);
+        
+        // Get config file for itemcase's world.
+        WorldFile file = this.worldFiles.get(location.getWorld());
+        
+        // Attempt to save itemcase.
+        try {
+            
+            // Save itemcase.
+            file.saveItemcase(itemcase);
+            
+        } catch (IOException e) {
+            
+             // Log error.
+            ItemCaseCore.instance.getConsoleLogger().severe(
+                        "Failed to save new itemcase to config.", e);
+        }
     }
     
     /**

src/main/resources/itemcases.yml

@@ -0,0 +1,9 @@
+#--------------------------- Itemcase File ---------------------------#
+# This file contains all of the itemcases for a specific world.       #
+#                                                                     #
+# MODIFY AT YOUR OWN RISK!                                            #
+# Server must be stopped while changes are made to this file          #
+# otherwise they will be overwritten.                                 #
+#---------------------------------------------------------------------#
+
+itemcases: {}