imgshowaction.java

使用EJB实现的网上商城

package com.jdon.estore.web.catalog;

import com.jdon.strutsutil.file.*;
import javax.servlet.http.*;

import com.jdon.estore.catalog.ProductManagerLocal;
import com.jdon.estore.FrameworkServices;
import com.jdon.bussinessproxy.ServiceServerFactory;
import com.jdon.bussinessproxy.EJBDefinition;

public class ImgShowAction extends ImageShowAction {

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

  public String defineKey(HttpServletRequest request) {
    return request.getParameter("Id");
  }

  public byte[] findImageData(HttpServletRequest request) {
    ProductManagerLocal productManager = (ProductManagerLocal) sf.
        getService(FrameworkServices.ProductEJB, request);
    byte[] data = productManager.getImage(defineKey(request));
    return data;
  }

}