Jeff Douglas – Technology, Coding and Bears… OH MY!

 
package com.jeffdouglas;
 
import java.io.IOException;
import javax.servlet.http.*;
 
import java.util.Date;
import java.util.List;
import java.text.DateFormat;
import javax.servlet.*;
import javax.jdo.PersistenceManager;
import com.jeffdouglas.entity.*;
 
import com.google.appengine.api.datastore.Key;
import com.google.appengine.api.datastore.KeyFactory;
 
@SuppressWarnings("serial")
public class TelesalesServlet extends HttpServlet {
 
    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
 
        // create the persistence manager instance
        PersistenceManager pm = PMF.get().getPersistenceManager();
 
        // display the lookup form
        if(request.getParameter("action").equals("accountLookup")) {
 
            // query for the entities by name
            String query = "select from " + Account.class.getName() + " where name == '"+request.getParameter("accountName")+"'";
            List accounts = (List) pm.newQuery(query).execute();   
 
            // pass the list to the jsp
            request.setAttribute("accounts", accounts);
            // forward the request to the jsp
            RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/accountLookup.jsp");
            dispatcher.forward(request, response);   
 
        // display the create new account form   
        } else if(request.getParameter("action").equals("accountCreate")) {
            response.sendRedirect("/accountCreate.jsp");
 
        // process the new account creation and send them to the account display page   
        } else if(request.getParameter("action").equals("accountCreateDo")) {
 
            // create the new account
            Account a = new Account(
                    request.getParameter("name"),
                    request.getParameter("billingCity"),
                    request.getParameter("billingState"),
                    request.getParameter("phone"),
                    request.getParameter("website")
                );
 
            // persist the entity
            try {
                pm.makePersistent(a);
            } finally {
                pm.close();
            }
 
            response.sendRedirect("telesales?action=accountDisplay&accountId="+a.getId());
 
        // display the account details and opportunities   
        } else if(request.getParameter("action").equals("accountDisplay")) {
 
            // fetch the account
            Key k = KeyFactory.createKey(Account.class.getSimpleName(), new Integer(request.getParameter("accountId")).intValue());
            Account a = pm.getObjectById(Account.class, k);
 
            // query for the opportunities
            String query = "select from " + Opportunity.class.getName() + " where accountId == "+request.getParameter("accountId");
            List opportunities = (List) pm.newQuery(query).execute();   
 
            // pass the list to the jsp
            request.setAttribute("account", a);
            // pass the list to the jsp
            request.setAttribute("opportunities", opportunities);
 
            // forward the request to the jsp
            RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/accountDisplay.jsp");
            dispatcher.forward(request, response);   
 
        // display the create new opportunity form   
        } else if(request.getParameter("action").equals("opportunityCreate")) {
 
            Key k = KeyFactory.createKey(Account.class.getSimpleName(), new Integer(request.getParameter("accountId")).intValue());
            Account a = pm.getObjectById(Account.class, k);
 
            // pass the account name to the jsp
            request.setAttribute("accountName", a.getName());
            // forward the request to the jsp
            RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/opportunityCreate.jsp");
            dispatcher.forward(request, response);
 
        // process the new opportunity creation and send them to the account display page 
        } else if(request.getParameter("action").equals("opportunityCreateDo")) {
 
            Date closeDate = new Date();
 
            // try and parse the date
            try {
                DateFormat df = DateFormat.getDateInstance(3);
                closeDate = df.parse(request.getParameter("closeDate"));
            } catch(java.text.ParseException pe) {
                System.out.println("Exception " + pe);
            }
 
            // create the new opportunity
            Opportunity opp = new Opportunity(
                request.getParameter("name"),
                new Double(request.getParameter("amount")).doubleValue(),
                request.getParameter("stageName"),
                new Integer(request.getParameter("probability")).intValue(),
                closeDate,
                new Integer(request.getParameter("orderNumber")).intValue(),
                new Long(request.getParameter("accountId"))
            );
 
            // persist the entity
            try {
                pm.makePersistent(opp);
            } finally {
                pm.close();
            }
 
            response.sendRedirect("telesales?action=accountDisplay&accountId="+request.getParameter("accountId"));
 
        }
 
    }
 
    public void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        doGet(request, response);
    }
 
}