private void servletEnv() { if (!log.isDebugEnabled()) return; try { java.net.URL url = servletContext.getResource("/"); log.trace("Joseki base directory: " + url); } catch (Exception ex) { } if (servletConfig != null) { String tmp = servletConfig.getServletName(); log.trace("Servlet = " + (tmp != null ? tmp : "<null>")); @SuppressWarnings("unchecked") Enumeration<String> en = servletConfig.getInitParameterNames(); for (; en.hasMoreElements(); ) { String s = en.nextElement(); log.trace("Servlet parameter: " + s + " = " + servletConfig.getInitParameter(s)); } } if (servletContext != null) { // Name of webapp String tmp = servletContext.getServletContextName(); // msg(Level.FINE, "Webapp = " + (tmp != null ? tmp : "<null>")); log.debug("Webapp = " + (tmp != null ? tmp : "<null>")); // NB This servlet may not have been loaded as part of a web app @SuppressWarnings("unchecked") Enumeration<String> en = servletContext.getInitParameterNames(); for (; en.hasMoreElements(); ) { String s = en.nextElement(); log.debug("Webapp parameter: " + s + " = " + servletContext.getInitParameter(s)); } } /* for ( Enumeration enum = servletContext.getAttributeNames() ; enum.hasMoreElements() ; ) { String s = (String)enum.nextElement() ; logger.log(LEVEL, "Webapp attribute: "+s+" = "+context.getAttribute(s)) ; } */ }
/** * 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 }