Refactored StorageChannel enum into an interface (#3138)

This replaces the static enum with a more dynamic interface providing
factory methods for handling network storage.

src/main/java/appeng/parts/reporting/AbstractPartTerminal.java

@@ -34,9 +34,9 @@ import appeng.api.config.SortOrder;
 import appeng.api.config.ViewItems;
 import appeng.api.implementations.tiles.IViewCellStorage;
 import appeng.api.storage.IMEMonitor;
+import appeng.api.storage.IStorageChannel;
 import appeng.api.storage.ITerminalHost;
-import appeng.api.storage.data.IAEFluidStack;
-import appeng.api.storage.data.IAEItemStack;
+import appeng.api.storage.data.IAEStack;
 import appeng.api.util.IConfigManager;
 import appeng.core.sync.GuiBridge;
 import appeng.me.GridAccessException;
@@ -136,25 +136,11 @@ public abstract class AbstractPartTerminal extends AbstractPartDisplay implement
 	}
 
 	@Override
-	public IMEMonitor<IAEItemStack> getItemInventory()
+	public <T extends IAEStack<T>> IMEMonitor<T> getInventory( IStorageChannel<T> channel )
 	{
 		try
 		{
-			return this.getProxy().getStorage().getItemInventory();
-		}
-		catch( final GridAccessException e )
-		{
-			// err nope?
-		}
-		return null;
-	}
-
-	@Override
-	public IMEMonitor<IAEFluidStack> getFluidInventory()
-	{
-		try
-		{
-			return this.getProxy().getStorage().getFluidInventory();
+			return this.getProxy().getStorage().getInventory( channel );
 		}
 		catch( final GridAccessException e )
 		{