package org.paneris.jammyjoes.mvp;

 import java.util.LinkedList;

 import java.util.List;

 import org.melati.poem.NoSuchRowPoemException;

 import org.melati.poem.Selectable;

 public class ProductSelectionFromContext implements Selection {

   Selectable _selectable;

   Context _context;

   public ProductSelectionFromContext(Selectable selectable, Context context) {

     _selectable = selectable;

     _context = context;

   }

   public void visitEach(Command command) {

     List selected = new LinkedList();

     for (int i = 0; i < 8; i++) {

       Integer id =  (Integer)_context.get(new IntegerConverter(), i + "");

       if (id != null) {

         try {

           selected.add(_selectable.getObject(id));

         } catch (NoSuchRowPoemException e) {

         }

       }

     }

     new VisitableCollectionAdaptor(selected).visitEach(command);

   }

 }