/**
* Display User Profile information such as address, email, etc. for the given Trader Dispatch to
* the Trade Account JSP for display
*
* @param userID The User to display profile info
* @param ctx the servlet context
* @param req the HttpRequest object
* @param resp the HttpResponse object
* @param results A short description of the results/success of this web request provided on the
* web page
* @exception javax.servlet.ServletException If a servlet specific exception is encountered
* @exception javax.io.IOException If an exception occurs while writing results back to the user
*/
void doAccount(
ServletContext ctx,
HttpServletRequest req,
HttpServletResponse resp,
String userID,
String results)
throws javax.servlet.ServletException, java.io.IOException {
try {
AccountDataBean accountData = tAction.getAccountData(userID);
AccountProfileDataBean accountProfileData = tAction.getAccountProfileData(userID);
ArrayList orderDataBeans =
(TradeConfig.getLongRun() ? new ArrayList() : (ArrayList) tAction.getOrders(userID));
req.setAttribute("accountData", accountData);
req.setAttribute("accountProfileData", accountProfileData);
req.setAttribute("orderDataBeans", orderDataBeans);
req.setAttribute("results", results);
requestDispatch(ctx, req, resp, userID, TradeConfig.getPage(TradeConfig.ACCOUNT_PAGE));
} catch (java.lang.IllegalArgumentException e) { // this is a user error so I will
// forward them to another page rather than throw a 500
req.setAttribute("results", results + "could not find account for userID = " + userID);
requestDispatch(ctx, req, resp, userID, TradeConfig.getPage(TradeConfig.HOME_PAGE));
// log the exception with an error level of 3 which means, handled exception but would
// invalidate a automation run
Log.error(
"TradeServletAction.doAccount(...)",
"illegal argument, information should be in exception string",
e);
} catch (Exception e) {
// log the exception with error page
throw new ServletException(
"TradeServletAction.doAccount(...)" + " exception user =" + userID, e);
}
}
/**
* Register a new trader given the provided user Profile information such as address, email, etc.
* Dispatch to the Trade Home JSP for display
*
* @param userID The User to create
* @param passwd The User password
* @param fullname The new User fullname info
* @param ccn The new User credit card info
* @param money The new User opening account balance
* @param address The new User address info
* @param email The new User email info
* @return The userID of the new trader
* @param ctx the servlet context
* @param req the HttpRequest object
* @param resp the HttpResponse object
* @exception javax.servlet.ServletException If a servlet specific exception is encountered
* @exception javax.io.IOException If an exception occurs while writing results back to the user
*/
void doRegister(
ServletContext ctx,
HttpServletRequest req,
HttpServletResponse resp,
String userID,
String passwd,
String cpasswd,
String fullname,
String ccn,
String openBalanceString,
String email,
String address)
throws ServletException, IOException {
String results = "";
try {
// Validate user passwords match and are atleast 1 char in length
if ((passwd.equals(cpasswd)) && (passwd.length() >= 1)) {
AccountDataBean accountData =
tAction.register(
userID, passwd, fullname, address, email, ccn, new BigDecimal(openBalanceString));
if (accountData == null) {
results = "Registration operation failed;";
System.out.println(results);
req.setAttribute("results", results);
requestDispatch(ctx, req, resp, userID, TradeConfig.getPage(TradeConfig.REGISTER_PAGE));
} else {
doLogin(ctx, req, resp, userID, passwd);
results =
"Registration operation succeeded; Account "
+ accountData.getAccountID()
+ " has been created.";
req.setAttribute("results", results);
}
} else {
// Password validation failed
results = "Registration operation failed, your passwords did not match";
System.out.println(results);
req.setAttribute("results", results);
requestDispatch(ctx, req, resp, userID, TradeConfig.getPage(TradeConfig.REGISTER_PAGE));
}
} catch (Exception e) {
// log the exception with error page
throw new ServletException(
"TradeServletAction.doRegister(...)" + " exception user =" + userID, e);
}
}
/**
* Retrieve the current portfolio of stock holdings for the given trader Dispatch to the Trade
* Portfolio JSP for display
*
* @param userID The User requesting to view their portfolio
* @param ctx the servlet context
* @param req the HttpRequest object
* @param resp the HttpResponse object
* @param results A short description of the results/success of this web request provided on the
* web page
* @exception javax.servlet.ServletException If a servlet specific exception is encountered
* @exception javax.io.IOException If an exception occurs while writing results back to the user
*/
void doPortfolio(
ServletContext ctx,
HttpServletRequest req,
HttpServletResponse resp,
String userID,
String results)
throws ServletException, IOException {
try {
// Get the holdiings for this user
Collection quoteDataBeans = new ArrayList();
Collection holdingDataBeans = tAction.getHoldings(userID);
// Walk through the collection of user
// holdings and creating a list of quotes
if (holdingDataBeans.size() > 0) {
Iterator it = holdingDataBeans.iterator();
while (it.hasNext()) {
HoldingDataBean holdingData = (HoldingDataBean) it.next();
QuoteDataBean quoteData = tAction.getQuote(holdingData.getQuoteID());
quoteDataBeans.add(quoteData);
}
} else {
results = results + ". Your portfolio is empty.";
}
req.setAttribute("results", results);
req.setAttribute("holdingDataBeans", holdingDataBeans);
req.setAttribute("quoteDataBeans", quoteDataBeans);
requestDispatch(ctx, req, resp, userID, TradeConfig.getPage(TradeConfig.PORTFOLIO_PAGE));
} catch (java.lang.IllegalArgumentException e) { // this is a user error so I will
// forward them to another page rather than throw a 500
req.setAttribute("results", results + "illegal argument:" + e.getMessage());
requestDispatch(ctx, req, resp, userID, TradeConfig.getPage(TradeConfig.PORTFOLIO_PAGE));
// log the exception with an error level of 3 which means, handled exception but would
// invalidate a automation run
Log.error(
e,
"TradeServletAction.doPortfolio(...)",
"illegal argument, information should be in exception string",
"user error");
} catch (Exception e) {
// log the exception with error page
throw new ServletException(
"TradeServletAction.doPortfolio(...)" + " exception user =" + userID, e);
}
}
void doWelcome(
ServletContext ctx, HttpServletRequest req, HttpServletResponse resp, String status)
throws ServletException, IOException {
req.setAttribute("results", status);
requestDispatch(ctx, req, resp, null, TradeConfig.getPage(TradeConfig.WELCOME_PAGE));
}
/**
* Sell a current holding of stock shares for the given trader. Dispatch to the Trade Portfolio
* JSP for display
*
* @param userID The User buying shares
* @param symbol The stock to sell
* @param indx The unique index identifying the users holding to sell
* @param ctx the servlet context
* @param req the HttpRequest object
* @param resp the HttpResponse object
* @exception javax.servlet.ServletException If a servlet specific exception is encountered
* @exception javax.io.IOException If an exception occurs while writing results back to the user
*/
void doSell(
ServletContext ctx,
HttpServletRequest req,
HttpServletResponse resp,
String userID,
Integer holdingID)
throws ServletException, IOException {
String results = "";
try {
OrderDataBean orderData = tAction.sell(userID, holdingID, TradeConfig.orderProcessingMode);
req.setAttribute("orderData", orderData);
req.setAttribute("results", results);
} catch (java.lang.IllegalArgumentException e) { // this is a user error so I will
// just log the exception and then later on I will redisplay the portfolio page
// because this is just a user exception
Log.error(
e,
"TradeServletAction.doSell(...)",
"illegal argument, information should be in exception string",
"user error");
} catch (Exception e) {
// log the exception with error page
throw new ServletException(
"TradeServletAction.doSell(...)"
+ " exception selling holding "
+ holdingID
+ " for user ="
+ userID,
e);
}
requestDispatch(ctx, req, resp, userID, TradeConfig.getPage(TradeConfig.ORDER_PAGE));
}
/** Servlet initialization method. */
public void init(ServletConfig config) throws ServletException {
super.init(config);
java.util.Enumeration en = config.getInitParameterNames();
while (en.hasMoreElements()) {
String parm = (String) en.nextElement();
String value = config.getInitParameter(parm);
TradeConfig.setConfigParam(parm, value);
}
}
/**
* Buy a new holding of shares for the given trader Dispatch to the Trade Portfolio JSP for
* display
*
* @param userID The User buying shares
* @param symbol The stock to purchase
* @param amount The quantity of shares to purchase
* @param ctx the servlet context
* @param req the HttpRequest object
* @param resp the HttpResponse object
* @exception javax.servlet.ServletException If a servlet specific exception is encountered
* @exception javax.io.IOException If an exception occurs while writing results back to the user
*/
void doBuy(
ServletContext ctx,
HttpServletRequest req,
HttpServletResponse resp,
String userID,
String symbol,
String quantity)
throws ServletException, IOException {
String results = "";
try {
OrderDataBean orderData =
tAction.buy(
userID, symbol, new Double(quantity).doubleValue(), TradeConfig.orderProcessingMode);
req.setAttribute("orderData", orderData);
req.setAttribute("results", results);
} catch (java.lang.IllegalArgumentException e) { // this is a user error so I will
// forward them to another page rather than throw a 500
req.setAttribute("results", results + "illegal argument:");
requestDispatch(ctx, req, resp, userID, TradeConfig.getPage(TradeConfig.HOME_PAGE));
// log the exception with an error level of 3 which means, handled exception but would
// invalidate a automation run
Log.error(
e,
"TradeServletAction.doBuy(...)",
"illegal argument. userID = " + userID,
"symbol = " + symbol);
} catch (Exception e) {
// log the exception with error page
throw new ServletException(
"TradeServletAction.buy(...)"
+ " exception buying stock "
+ symbol
+ " for user "
+ userID,
e);
}
requestDispatch(ctx, req, resp, userID, TradeConfig.getPage(TradeConfig.ORDER_PAGE));
}
/**
* Retrieve the current Quote for the given stock symbol Dispatch to the Trade Quote JSP for
* display
*
* @param userID The stock symbol used to get the current quote
* @param ctx the servlet context
* @param req the HttpRequest object
* @param resp the HttpResponse object
* @exception javax.servlet.ServletException If a servlet specific exception is encountered
* @exception javax.io.IOException If an exception occurs while writing results back to the user
*/
void doQuotes(
ServletContext ctx,
HttpServletRequest req,
HttpServletResponse resp,
String userID,
String symbols)
throws ServletException, IOException {
String results = "";
// Edge Caching:
// Getting Quotes has been moved to the JSP
// Quote.jsp. This makes each Quote a
// standalone "fragment", and thus is a candidate for
// Edge caching.
//
requestDispatch(ctx, req, resp, userID, TradeConfig.getPage(TradeConfig.QUOTE_PAGE));
}
/**
* Logout a Trade User Dispatch to the Trade Welcome JSP for display
*
* @param userID The User to logout
* @param ctx the servlet context
* @param req the HttpRequest object
* @param resp the HttpResponse object
* @param results A short description of the results/success of this web request provided on the
* web page
* @exception javax.servlet.ServletException If a servlet specific exception is encountered
* @exception javax.io.IOException If an exception occurs while writing results back to the user
*/
void doLogout(ServletContext ctx, HttpServletRequest req, HttpServletResponse resp, String userID)
throws ServletException, IOException {
String results = "";
try {
tAction.logout(userID);
} catch (java.lang.IllegalArgumentException e) { // this is a user error so I will
// forward them to another page, at the end of the page.
req.setAttribute("results", results + "illegal argument:" + e.getMessage());
// log the exception with an error level of 3 which means, handled exception but would
// invalidate a automation run
Log.error(
e,
"TradeServletAction.doLogout(...)",
"illegal argument, information should be in exception string",
"treating this as a user error and forwarding on to a new page");
} catch (Exception e) {
// log the exception and foward to a error page
Log.error(
e,
"TradeServletAction.doLogout(...):",
"Error logging out" + userID,
"fowarding to an error page");
// set the status_code to 500
throw new ServletException(
"TradeServletAction.doLogout(...)" + "exception logging out user " + userID, e);
}
HttpSession session = req.getSession();
if (session != null) {
session.invalidate();
}
Object o = req.getAttribute("TSS-RecreateSessionInLogout");
if (o != null && ((Boolean) o).equals(Boolean.TRUE)) {
// Recreate Session object before writing output to the response
// Once the response headers are written back to the client the opportunity
// to create a new session in this request may be lost
// This is to handle only the TradeScenarioServlet case
session = req.getSession(true);
}
requestDispatch(ctx, req, resp, userID, TradeConfig.getPage(TradeConfig.WELCOME_PAGE));
}
/**
* Main service method for TradeScenarioServlet
*
* @param request Object that encapsulates the request to the servlet
* @param response Object that encapsulates the response from the servlet
*/
public void performTask(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
// Scenario generator for Trade2
char action = ' ';
String userID = null;
// String to create full dispatch path to TradeAppServlet w/ request Parameters
String dispPath = null; // Dispatch Path to TradeAppServlet
String scenarioAction = (String) req.getParameter("action");
if ((scenarioAction != null) && (scenarioAction.length() >= 1)) {
action = scenarioAction.charAt(0);
if (action == 'n') { // null;
try {
resp.setContentType("text/html");
PrintWriter out = new PrintWriter(resp.getOutputStream());
out.println("<HTML><HEAD>TradeScenarioServlet</HEAD><BODY>Hello</BODY></HTML>");
out.close();
return;
} catch (Exception e) {
Log.error(
"trade_client.TradeScenarioServlet.service(...)"
+ "error creating printwriter from responce.getOutputStream",
e);
resp.sendError(
500,
"trade_client.TradeScenarioServlet.service(...): erorr creating and writing to PrintStream created from response.getOutputStream()");
} // end of catch
} // end of action=='n'
}
ServletContext ctx = null;
HttpSession session = null;
try {
ctx = getServletConfig().getServletContext();
// These operations require the user to be logged in. Verify the user and if not logged in
// change the operation to a login
session = req.getSession(true);
userID = (String) session.getAttribute("uidBean");
} catch (Exception e) {
Log.error(
"trade_client.TradeScenarioServlet.service(...): performing "
+ scenarioAction
+ "error getting ServletContext,HttpSession, or UserID from session"
+ "will make scenarioAction a login and try to recover from there",
e);
userID = null;
action = 'l';
}
if (userID == null) {
action = 'l'; // change to login
TradeConfig.incrementScenarioCount();
} else if (action == ' ') {
// action is not specified perform a random operation according to current mix
// Tell getScenarioAction if we are an original user or a registered user
// -- sellDeficits should only be compensated for with original users.
action = TradeConfig.getScenarioAction(userID.startsWith(TradeConfig.newUserPrefix));
}
switch (action) {
case 'q': // quote
dispPath = tasPathPrefix + "quotes&symbols=" + TradeConfig.rndSymbols();
ctx.getRequestDispatcher(dispPath).include(req, resp);
break;
case 'a': // account
dispPath = tasPathPrefix + "account";
ctx.getRequestDispatcher(dispPath).include(req, resp);
break;
case 'u': // update account profile
dispPath = tasPathPrefix + "account";
ctx.getRequestDispatcher(dispPath).include(req, resp);
String fullName = "rnd" + System.currentTimeMillis();
String address = "rndAddress";
String password = "******";
String email = "rndEmail";
String creditcard = "rndCC";
dispPath =
tasPathPrefix
+ "update_profile&fullname="
+ fullName
+ "&password="******"&cpassword="******"&address="
+ address
+ "&email="
+ email
+ "&creditcard="
+ creditcard;
ctx.getRequestDispatcher(dispPath).include(req, resp);
break;
case 'h': // home
dispPath = tasPathPrefix + "home";
ctx.getRequestDispatcher(dispPath).include(req, resp);
break;
case 'l': // login
userID = TradeConfig.getUserID();
String password2 = "xxx";
dispPath = tasPathPrefix + "login&inScenario=true&uid=" + userID + "&passwd=" + password2;
ctx.getRequestDispatcher(dispPath).include(req, resp);
// login is successful if the userID is written to the HTTP session
if (session.getAttribute("uidBean") == null) {
System.out.println("TradeScenario login failed. Reset DB between runs");
}
break;
case 'o': // logout
dispPath = tasPathPrefix + "logout";
ctx.getRequestDispatcher(dispPath).include(req, resp);
break;
case 'p': // portfolio
dispPath = tasPathPrefix + "portfolio";
ctx.getRequestDispatcher(dispPath).include(req, resp);
break;
case 'r': // register
// Logout the current user to become a new user
// see note in TradeServletAction
req.setAttribute("TSS-RecreateSessionInLogout", Boolean.TRUE);
dispPath = tasPathPrefix + "logout";
ctx.getRequestDispatcher(dispPath).include(req, resp);
userID = TradeConfig.rndNewUserID();
String passwd = "yyy";
fullName = TradeConfig.rndFullName();
creditcard = TradeConfig.rndCreditCard();
String money = TradeConfig.rndBalance();
email = TradeConfig.rndEmail(userID);
String smail = TradeConfig.rndAddress();
dispPath =
tasPathPrefix
+ "register&Full Name="
+ fullName
+ "&snail mail="
+ smail
+ "&email="
+ email
+ "&user id="
+ userID
+ "&passwd="
+ passwd
+ "&confirm passwd="
+ passwd
+ "&money="
+ money
+ "&Credit Card Number="
+ creditcard;
ctx.getRequestDispatcher(dispPath).include(req, resp);
break;
case 's': // sell
dispPath = tasPathPrefix + "portfolioNoEdge";
ctx.getRequestDispatcher(dispPath).include(req, resp);
Collection holdings = (Collection) req.getAttribute("holdingDataBeans");
int numHoldings = holdings.size();
if (numHoldings > 0) {
// sell first available security out of holding
Iterator it = holdings.iterator();
boolean foundHoldingToSell = false;
while (it.hasNext()) {
HoldingDataBean holdingData = (HoldingDataBean) it.next();
if (!(holdingData.getPurchaseDate().equals(new java.util.Date(0)))) {
Integer holdingID = holdingData.getHoldingID();
dispPath = tasPathPrefix + "sell&holdingID=" + holdingID;
ctx.getRequestDispatcher(dispPath).include(req, resp);
foundHoldingToSell = true;
break;
}
}
if (foundHoldingToSell) break;
if (Log.doTrace())
Log.trace(
"TradeScenario: No holding to sell -switch to buy -- userID = "
+ userID
+ " Collection count = "
+ numHoldings);
}
// At this point: A TradeScenario Sell was requested with No Stocks in Portfolio
// This can happen when a new registered user happens to request a sell before a buy
// In this case, fall through and perform a buy instead
/* Trade 2.037: Added sell_deficit counter to maintain correct buy/sell mix.
* When a users portfolio is reduced to 0 holdings, a buy is requested instead of a sell.
* This throws off the buy/sell mix by 1. This results in unwanted holding table growth
* To fix this we increment a sell deficit counter to maintain the correct ratio in getScenarioAction
* The 'z' action from getScenario denotes that this is a sell action that was switched from a buy
* to reduce a sellDeficit
*/
if (userID.startsWith(TradeConfig.newUserPrefix) == false) {
TradeConfig.incrementSellDeficit();
}
case 'b': // buy
String symbol = TradeConfig.rndSymbol();
String amount = TradeConfig.rndQuantity() + "";
dispPath = tasPathPrefix + "quotes&symbols=" + symbol;
ctx.getRequestDispatcher(dispPath).include(req, resp);
dispPath = tasPathPrefix + "buy&quantity=" + amount + "&symbol=" + symbol;
ctx.getRequestDispatcher(dispPath).include(req, resp);
break;
} // end of switch statement
}
TradeServletAction() {
if (TradeConfig.getAccessMode() == TradeConfig.STANDARD) tAction = new TradeDirect();
}
/**
* Login a Trade User. Dispatch to the Trade Home JSP for display
*
* @param userID The User to login
* @param passwd The password supplied by the trader used to authenticate
* @param ctx the servlet context
* @param req the HttpRequest object
* @param resp the HttpResponse object
* @param results A short description of the results/success of this web request provided on the
* web page
* @exception javax.servlet.ServletException If a servlet specific exception is encountered
* @exception javax.io.IOException If an exception occurs while writing results back to the user
*/
void doLogin(
ServletContext ctx,
HttpServletRequest req,
HttpServletResponse resp,
String userID,
String passwd)
throws javax.servlet.ServletException, java.io.IOException {
System.out.println("Login userID: " + userID);
String results = "";
try {
// Got a valid userID and passwd, attempt login
AccountDataBean accountData = tAction.login(userID, passwd);
if (accountData != null) {
HttpSession session = req.getSession(true);
session.setAttribute("uidBean", userID);
session.setAttribute("sessionCreationDate", new java.util.Date());
if (("true").equals(req.getParameter("stress"))) {
// fib(35);
char[] s = new char[10 * 1024 * 1000];
String str = String.copyValueOf(s);
session.setAttribute("someobject", str);
}
results = "Ready to Trade";
doHome(ctx, req, resp, userID, results);
return;
} else {
req.setAttribute("results", results + "\nCould not find account for + " + userID);
// log the exception with an error level of 3 which means, handled exception but would
// invalidate a automation run
Log.log(
"TradeServletAction.doLogin(...)",
"Error finding account for user " + userID + "",
"user entered a bad username or the database is not populated");
}
} catch (java.lang.IllegalArgumentException e) { // this is a user error so I will
// forward them to another page rather than throw a 500
req.setAttribute("results", results + "illegal argument:" + e.getMessage());
// log the exception with an error level of 3 which means, handled exception but would
// invalidate a automation run
Log.error(
e,
"TradeServletAction.doLogin(...)",
"illegal argument, information should be in exception string",
"treating this as a user error and forwarding on to a new page");
} catch (Exception e) {
doWelcome(
ctx,
req,
resp,
"User not found! Is the database <a href = 'config?action=buildDB'>populated </a>?");
return;
/* throw new ServletException(
"TradeServletAction.doLogin(...)"
+ "Exception logging in user "
+ userID
+ "with password"
+ passwd
,e);
*/
}
requestDispatch(ctx, req, resp, userID, TradeConfig.getPage(TradeConfig.WELCOME_PAGE));
}
/**
* Create the Trade Home page with personalized information such as the traders account balance
* Dispatch to the Trade Home JSP for display
*
* @param ctx the servlet context
* @param req the HttpRequest object
* @param resp the HttpResponse object
* @param results A short description of the results/success of this web request provided on the
* web page
* @exception javax.servlet.ServletException If a servlet specific exception is encountered
* @exception javax.io.IOException If an exception occurs while writing results back to the user
*/
void doHome(
ServletContext ctx,
HttpServletRequest req,
HttpServletResponse resp,
String userID,
String results)
throws javax.servlet.ServletException, java.io.IOException {
BigDecimal balance;
String result = "";
try {
AccountDataBean accountData = tAction.getAccountData(userID);
Collection holdingDataBeans = tAction.getHoldings(userID);
// Edge Caching:
// Getting the MarketSummary has been moved to the JSP
// MarketSummary.jsp. This makes the MarketSummary a
// standalone "fragment", and thus is a candidate for
// Edge caching.
// marketSummaryData = tAction.getMarketSummary();
req.setAttribute("accountData", accountData);
req.setAttribute("holdingDataBeans", holdingDataBeans);
// See Edge Caching above
// req.setAttribute("marketSummaryData", marketSummaryData);
req.setAttribute("results", results);
} catch (java.lang.IllegalArgumentException e) { // this is a user error so I will
// forward them to another page rather than throw a 500
req.setAttribute(
"results", results + "check userID = " + userID + " and that the database is populated");
requestDispatch(ctx, req, resp, userID, TradeConfig.getPage(TradeConfig.HOME_PAGE));
// log the exception with an error level of 3 which means, handled exception but would
// invalidate a automation run
Log.error(
"TradeServletAction.doHome(...)"
+ "illegal argument, information should be in exception string"
+ "treating this as a user error and forwarding on to a new page",
e);
}
// ALPINE No support for EJB's yet
/*catch (javax.ejb.FinderException e)
{
//this is a user error so I will
//forward them to another page rather than throw a 500
req.setAttribute(
"results",
results + "\nCould not find account for + " + userID);
//requestDispatch(ctx, req, resp, TradeConfig.getPage(TradeConfig.HOME_PAGE));
//log the exception with an error level of 3 which means, handled exception but would invalidate a automation run
Log.error(
"TradeServletAction.doHome(...)" +
"Error finding account for user " + userID +
"treating this as a user error and forwarding on to a new page", e);
}*/
catch (Exception e) {
// log the exception with error page
throw new ServletException(
"TradeServletAction.doHome(...)" + " exception user =" + userID, e);
}
requestDispatch(ctx, req, resp, userID, TradeConfig.getPage(TradeConfig.HOME_PAGE));
}