diff --git a/crafting/CraftingJob.java b/crafting/CraftingJob.java
index b485ff0f..ac51afff 100644
--- a/crafting/CraftingJob.java
+++ b/crafting/CraftingJob.java
@@ -6,10 +6,15 @@ import java.util.HashSet;
 import java.util.Iterator;
 
 import net.minecraft.nbt.NBTTagCompound;
+import appeng.api.AEApi;
 import appeng.api.config.Actionable;
+import appeng.api.networking.storage.IStorageGrid;
+import appeng.api.storage.IMEInventory;
 import appeng.api.storage.data.IAEItemStack;
 import appeng.api.storage.data.IItemList;
+import appeng.me.cache.CraftingCache;
 
+import com.google.common.collect.ArrayListMultimap;
 import com.google.common.collect.Multimap;
 
 public class CraftingJob implements ICraftingParent
@@ -27,11 +32,48 @@ public class CraftingJob implements ICraftingParent
 	ICraftingHost jobHost;
 
 	public CraftingJob(ICraftingHost host, NBTTagCompound data) {
-		// TODO Auto-generated constructor stub
+		jobHost = host;
+		storage = AEApi.instance().storage().createItemList();
+		prophecies = new HashSet();
+		bottom = ArrayListMultimap.create();
 	}
 
-	public CraftingJob(ICraftingHost host, IAEItemStack what, Actionable mode) {
+	public CraftingJob(ICraftingHost host, IAEItemStack what, Actionable mode) throws CraftingMissingItemsException {
+		jobHost = host;
+		output = what.copy();
+		storage = AEApi.instance().storage().createItemList();
+		prophecies = new HashSet();
+		bottom = ArrayListMultimap.create();
 
+		CraftingCache cc = host.getGrid().getCache( CraftingCache.class );
+		IStorageGrid sg = host.getGrid().getCache( IStorageGrid.class );
+		
+
+		IItemList<IAEItemStack> available = AEApi.instance().storage().createItemList();
+		IItemList<IAEItemStack> missing = AEApi.instance().storage().createItemList();
+		
+		calculateCrafting( cc, this, sg.getItemInventory().getAvailableItems( available ), missing, what, mode );
+		
+		if ( ! missing.isEmpty() )
+		{
+			if ( mode == Actionable.MODULATE )
+			{
+				IMEInventory<IAEItemStack> netStorage = sg.getItemInventory();
+				
+				Iterator<IAEItemStack> i = storage.iterator();
+				while ( i.hasNext() )
+				{
+					IAEItemStack item = i.next();
+					netStorage.injectItems( item, mode, host.getActionSrc() );
+				}
+			}
+			
+			throw new CraftingMissingItemsException( missing );
+		}
+	}
+
+	public void calculateCrafting( CraftingCache cc, ICraftingParent parent, IItemList<IAEItemStack> available, IItemList<IAEItemStack> missing, IAEItemStack what, Actionable mode) {
+		
 	}
 
 	public Collection<CraftingTask> getBottom()
diff --git a/crafting/CraftingMissingItemsException.java b/crafting/CraftingMissingItemsException.java
new file mode 100644
index 00000000..f1461fa0
--- /dev/null
+++ b/crafting/CraftingMissingItemsException.java
@@ -0,0 +1,17 @@
+package appeng.crafting;
+
+import appeng.api.storage.data.IAEItemStack;
+import appeng.api.storage.data.IItemList;
+
+public class CraftingMissingItemsException extends Exception {
+
+	private static final long serialVersionUID = -7517510681369528425L;
+
+	final public IItemList<IAEItemStack> missingItems;
+	
+	public CraftingMissingItemsException( IItemList<IAEItemStack> missing )
+	{
+		missingItems = missing;
+	}
+	
+}
diff --git a/crafting/ICraftingHost.java b/crafting/ICraftingHost.java
index 6464c6d6..880afedc 100644
--- a/crafting/ICraftingHost.java
+++ b/crafting/ICraftingHost.java
@@ -1,15 +1,16 @@
 package appeng.crafting;
 
 import net.minecraft.world.World;
-import appeng.me.cache.CraftingCache;
+import appeng.api.networking.IGrid;
+import appeng.api.networking.security.BaseActionSource;
 
 public interface ICraftingHost
 {
 
 	/**
-	 * Get Crasfting cache for the host.
+	 * Get Crafting cache for the host.
 	 */
-	CraftingCache getCraftingCache();
+	IGrid getGrid();
 
 	/**
 	 * required for crafting calculations.
@@ -18,4 +19,11 @@ public interface ICraftingHost
 	 */
 	World getWorld();
 
+	/**
+	 * get source of moving items around.
+	 * 
+	 * @return {@link BaseActionSource} of host.
+	 */
+	BaseActionSource getActionSrc();
+
 }