ordertrackinghtmlaction.java

ejb克斯人随风俗

/* @@copyright $Id: OrderTrackingHTMLAction.java,v 1.1 2003/11/01 00:19:59 gmurray71 Exp $ */

package com.sun.j2ee.blueprints.consumerwebsite.actions;

import javax.servlet.http.*;
import java.util.Collection;
import javax.naming.*;
import javax.xml.rpc.*;

// waf imports
import com.sun.j2ee.blueprints.waf.controller.Event;
import com.sun.j2ee.blueprints.waf.controller.web.html.*;

//adventure imports
import com.sun.j2ee.blueprints.consumerwebsite.*;

// Catalog imports
import com.sun.j2ee.blueprints.catalog.*;


/**
 * Handles responsibilities related to getting HTTP request 
 * info and making the calls to process the action 
 */
public class OrderTrackingHTMLAction extends HTMLActionSupport{
   
    /**
     * Handles the http request and provides an
     * appropriate response.
     *
     * Post-condition: Set the bean with info to populate response.
     */
    public Event perform(HttpServletRequest request) throws HTMLActionException {
        
        String orderId = null;
        OrderDetails result = null;      
        orderId = request.getParameter("orderId");
        // put the orderId in the request to display in the screen
        request.setAttribute("orderTrackingId", orderId);
        try {
            result = this.getOrderDetails(orderId, request);
            if (result.getPO() == null) {
                throw new OrderNotFoundException("Order Not Found: " + orderId);
            }
            // places result bean data in the response.
            request.setAttribute("orderDetails", result);
        } catch(OrderNotFoundException ex) {
          System.out.println("OrderTrackingHTMLAction caught the OrderNotFoundException Service Exception");
           throw new com.sun.j2ee.blueprints.consumerwebsite.exceptions.OrderNotFoundException("Action error calling ordertracking endpoint " + ex);
        } catch(Exception ex) {
            System.out.println("OrderTrackingHTMLAction caught an Exception");
           throw new com.sun.j2ee.blueprints.consumerwebsite.exceptions.OrderNotFoundException("Action error calling ordertracking endpoint " + ex);
        }
        return null;
    }

    /**
     * Accesses OrderTracking Web Service endpoint using Jax-rpc
     */
    private OrderDetails getOrderDetails(String orderId,
     HttpServletRequest request) throws Exception {
             
        Context ic = new InitialContext();
        OpcOrderTrackingService opcOrderTrackingSvc =
            (OpcOrderTrackingService) ic.lookup("java:comp/env/service/OpcOrderTrackingService");
        OrderTrackingIntf port = opcOrderTrackingSvc.getOrderTrackingIntfPort();
  String server = (request.getServerPort() != 0) ?
      (request.getServerName()+":"+request.getServerPort()) :
      (request.getServerName());
        ((Stub)port)._setProperty(Stub.ENDPOINT_ADDRESS_PROPERTY,
        "http://" + server + "/webservice/OtEndpointBean");
        return port.getOrderDetails(orderId);    
   }
}