submitbid.java

J2EE开发与Weblogic一书中的源代码

package webauction.web.action;

import java.io.IOException;
import javax.jms.*;
import javax.servlet.*;
import javax.servlet.http.*;
import webauction.ejb.*;
import webauction.web.WebConstants;

public class SubmitBid extends HttpServlet {

    public void service(HttpServletRequest req, HttpServletResponse res)
        throws ServletException, IOException {
        ServletContext sc = getServletContext();
        WebAuction webAuction = (WebAuction) sc.getAttribute(WebConstants.SC_ATTRIB_WEBAUCTION);
		BidValueHolder bidBean = (BidValueHolder) req.getAttribute("bid");
        try {
            QueueSession qsession = (QueueSession) sc.getAttribute(WebConstants.SC_ATTRIB_QSESSION);
            QueueSender qsender = (QueueSender) sc.getAttribute(WebConstants.SC_ATTRIB_QSENDER);

			// submit bid
            MapMessage bidMsg = qsession.createMapMessage();
            bidMsg.setInt("Item_ID", bidBean.getItemId());
            bidMsg.setString("User_Name", req.getRemoteUser());
            bidMsg.setDouble("Amount", bidBean.getBidAmount());
            qsender.send(bidMsg);
            RequestDispatcher rd = sc.getNamedDispatcher("bidaccepted");
            rd.forward(req, res);
        } catch (JMSException e) {
            req.setAttribute("javax.servlet.jsp.jspException", e);
            RequestDispatcher rd = sc.getNamedDispatcher("error");
            rd.forward(req, res);
        } catch (NumberFormatException e) {
            req.setAttribute("javax.servlet.jsp.jspException", e);
            RequestDispatcher rd = sc.getNamedDispatcher("error");
            rd.forward(req, res);
        }
        return;
    }
}