categorylistaction.java

使用EJB实现的网上商城

package com.jdon.estore.web.catalog;

import com.jdon.strutsutil.*;
import javax.servlet.http.*;
import org.apache.struts.action.*;

import com.jdon.bussinessproxy.EJBDefinition;
import com.jdon.controller.model.Model;
import com.jdon.controller.model.PageIterator;
import com.jdon.estore.model.Category;

import com.jdon.bussinessproxy.ServiceServerFactory;

import com.jdon.estore.catalog.CatalogManagerLocal;
import com.jdon.estore.FrameworkServices;

public class CategoryListAction extends ModelListAction {

  private final static ServiceServerFactory sf = ServiceServerFactory.
      getInstance();

  public PageIterator getPageIterator(HttpServletRequest request, int start, int count) {
    CatalogManagerLocal catalogManager = (CatalogManagerLocal) sf.getService(
        FrameworkServices.CatalogEJB, request);
    return catalogManager.getCategories(start, count);

  }

  public Model findModelByKey(HttpServletRequest request, Object key) {
    CatalogManagerLocal catalogManager = (CatalogManagerLocal) sf.getService(
        FrameworkServices.CatalogEJB, request);
    return catalogManager.getCategoryById( (String) key);
  }



}