package apusic.myshop.category.web;import java.rmi.RemoteException;import javax.ejb.FinderException;import javax.ejb.CreateException;import java.util.Collection;import apusic.myshop.category.ejb.CategoryHome;import apusic.myshop.category.ejb.Category;import apusic.myshop.util.EJBUtil;import apusic.myshop.util.Debug;public class CategoryWebImpl {  public CategoryWebImpl() { }  public Category getCategory(String catId) {    try{      CategoryHome categoryHome = EJBUtil.getCategoryHome();      Category category = categoryHome.findByCatId(catId);      return category;    } catch (RemoteException re) {      Debug.println("CategoryBean: Unable to locate category for item " + catId);    } catch (FinderException fe) {      Debug.println("CategoryBean: Unable to locate category for item " + catId);    }    return null;  }  public Collection getCategories() {    try{      CategoryHome categoryHome = EJBUtil.getCategoryHome();      Collection categories = categoryHome.findCategories();      return categories;    } catch (RemoteException re) {      Debug.println("CategoryBean: Unable to locate category for items " );    } catch (FinderException fe) {      Debug.println("CategoryBean: Unable to locate category for items " );    }    return null;  }  public void createCategory(String catId, String name, String descn) {    try{      CategoryHome categoryHome = EJBUtil.getCategoryHome();      categoryHome.create(catId, name, descn);    } catch (RemoteException re) {      Debug.println("CategoryBean: Unable to locate category for items " );    } catch (CreateException fe) {      Debug.println("CategoryBean: Unable to create category" );    }  }}