Added full tile entity data support for all block types that use it, including chests, dispensers, furnaces, mob spawners, and note blocks.

src/main/java/org/bukkit/craftbukkit/block/CraftChest.java

@@ -0,0 +1,40 @@
+package org.bukkit.craftbukkit.block;
+
+import net.minecraft.server.TileEntityChest;
+import org.bukkit.block.Block;
+import org.bukkit.block.Chest;
+import org.bukkit.craftbukkit.CraftWorld;
+import org.bukkit.craftbukkit.inventory.CraftInventory;
+import org.bukkit.inventory.Inventory;
+
+/**
+ * Represents a chest.
+ * 
+ * @author sk89q
+ */
+public class CraftChest extends CraftBlockState implements Chest {
+    private final CraftWorld world;
+    private final TileEntityChest chest;
+
+    public CraftChest(final Block block) {
+        super(block);
+
+        world = (CraftWorld)block.getWorld();
+        chest = (TileEntityChest)world.getTileEntityAt(getX(), getY(), getZ());
+    }
+
+    public Inventory getInventory() {
+        return new CraftInventory(chest);
+    }
+
+    @Override
+    public boolean update(boolean force) {
+        boolean result = super.update(force);
+
+        if (result) {
+            chest.d();
+        }
+
+        return result;
+    }
+}