reworked blocking mode. now items are configurable per mod

src/main/java/appeng/util/inv/BlockingItemHandler.java

@@ -0,0 +1,66 @@
+package appeng.util.inv;
+
+import appeng.api.config.FuzzyMode;
+import appeng.api.storage.data.IAEItemStack;
+import appeng.api.storage.data.IItemList;
+import appeng.helpers.NonBlockingItems;
+import appeng.util.item.AEItemStack;
+import appeng.util.item.ItemList;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraftforge.items.IItemHandler;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Iterator;
+
+
+public class BlockingItemHandler extends BlockingInventoryAdaptor
+{
+	protected final IItemHandler itemHandler;
+	private final String domain;
+
+	public BlockingItemHandler( IItemHandler itemHandler, String domain )
+	{
+		this.itemHandler = itemHandler;
+		this.domain = domain;
+	}
+
+	boolean isBlockableItem( ItemStack stack )
+	{
+		IItemList<IAEItemStack> itemList = NonBlockingItems.INSTANCE.getMap().get( domain );
+		if( stack.getItem().isDamageable() )
+		{
+			Collection<IAEItemStack> item = itemList.findFuzzy( AEItemStack.fromItemStack( stack ), FuzzyMode.IGNORE_ALL );
+			return item.isEmpty();
+		}
+		else
+		{
+			IAEItemStack item = itemList.findPrecise( AEItemStack.fromItemStack( stack ) );
+			return item == null;
+		}
+	}
+
+	@Override
+	public boolean containsBlockingItems()
+	{
+		int slots = this.itemHandler.getSlots();
+		for( int slot = 0; slot < slots; slot++ )
+		{
+			ItemStack is = this.itemHandler.getStackInSlot( slot );
+			if( is.isEmpty() || !isBlockableItem( is ) )
+			{
+				continue;
+			}
+			return true;
+		}
+		return false;
+	}
+
+	@Override
+	public Iterator<ItemSlot> iterator()
+	{
+		return new ItemHandlerIterator( this.itemHandler );
+	}
+}