dispatcher.java

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/*
 * Copyright (c) 2003 Sun Microsystems, Inc.  All rights reserved.  U.S. 
 * Government Rights - Commercial software.  Government users are subject 
 * to the Sun Microsystems, Inc. standard license agreement and 
 * applicable provisions of the FAR and its supplements.  Use is subject 
 * to license terms.  
 * 
 * This distribution may include materials developed by third parties. 
 * Sun, Sun Microsystems, the Sun logo, Java and J2EE are trademarks 
 * or registered trademarks of Sun Microsystems, Inc. in the U.S. and 
 * other countries.  
 * 
 * Copyright (c) 2003 Sun Microsystems, Inc. Tous droits reserves.
 * 
 * Droits du gouvernement americain, utilisateurs gouvernementaux - logiciel
 * commercial. Les utilisateurs gouvernementaux sont soumis au contrat de 
 * licence standard de Sun Microsystems, Inc., ainsi qu'aux dispositions 
 * en vigueur de la FAR (Federal Acquisition Regulations) et des 
 * supplements a celles-ci.  Distribue par des licences qui en 
 * restreignent l'utilisation.
 * 
 * Cette distribution peut comprendre des composants developpes par des 
 * tierces parties. Sun, Sun Microsystems, le logo Sun, Java et J2EE 
 * sont des marques de fabrique ou des marques deposees de Sun 
 * Microsystems, Inc. aux Etats-Unis et dans d'autres pays.
 */
package com.sun.ebank.web;
import javax.servlet.*;
import javax.servlet.http.*;
import com.sun.ebank.util.Debug;
import java.util.*;
import java.math.BigDecimal;

public class Dispatcher extends HttpServlet {
  public void doGet(HttpServletRequest request, HttpServletResponse response) {   
    HttpSession session = request.getSession();
    
    BeanManager beanManager = (BeanManager)session.getAttribute("beanManager");
    if (beanManager == null) {
    	Debug.print("Creating bean manager.");
      beanManager = new BeanManager();
      session.setAttribute("beanManager", beanManager);
    }
    String selectedScreen = request.getServletPath();

    Debug.print(selectedScreen);

    if (selectedScreen.equals("/accountHist")) {
      AccountHistoryBean accountHistoryBean = new AccountHistoryBean();
      request.setAttribute("accountHistoryBean", accountHistoryBean);
      try {
      	accountHistoryBean.setBeanManager(beanManager);
        accountHistoryBean.setAccountId(request.getParameter("accountId"));
        accountHistoryBean.setSortOption(Integer.parseInt(request.getParameter("sortOption")));
        accountHistoryBean.setActivityView(Integer.parseInt(request.getParameter("activityView")));
        accountHistoryBean.setDate(Integer.parseInt(request.getParameter("date")));
        accountHistoryBean.setYear(Integer.parseInt(request.getParameter("year")));
        accountHistoryBean.setSinceDay(Integer.parseInt(request.getParameter("sinceDay")));
        accountHistoryBean.setSinceMonth(Integer.parseInt(request.getParameter("sinceMonth")));
        accountHistoryBean.setBeginDay(Integer.parseInt(request.getParameter("beginDay")));
        accountHistoryBean.setBeginMonth(Integer.parseInt(request.getParameter("beginMonth")));
        accountHistoryBean.setEndDay(Integer.parseInt(request.getParameter("endDay")));
        accountHistoryBean.setEndMonth(Integer.parseInt(request.getParameter("endMonth")));
      } catch (NumberFormatException e) {
      }
      accountHistoryBean.doTx();
    }
    try {
        Debug.print("Forwarding to template.");
        request.getRequestDispatcher("/template/template.jsp").forward(request, response);
    } catch(Exception ex) {
      ex.printStackTrace();
    }
  }
  public void doPost(HttpServletRequest request, HttpServletResponse response) {
    HttpSession session = request.getSession();
    ResourceBundle messages = (ResourceBundle)session.getAttribute("messages");
    if (messages == null) {
      Locale locale=request.getLocale();
      Debug.print(locale.getDisplayName());
      messages = ResourceBundle.getBundle("WebMessages", locale); 
      if (messages == null)
         Debug.print("Didn't locate resource bundle.");
      session.setAttribute("messages", messages);
    }

    String selectedScreen = request.getServletPath();
    Debug.print(selectedScreen);
      
    BeanManager beanManager = (BeanManager)session.getAttribute("beanManager");
    if (beanManager == null) {
      beanManager = new BeanManager();
      session.setAttribute("beanManager", beanManager);
    }

    if (selectedScreen.equals("/accountHist")) {
      AccountHistoryBean accountHistoryBean = new AccountHistoryBean();
      request.setAttribute("accountHistoryBean", accountHistoryBean);
      try {
      	accountHistoryBean.setBeanManager(beanManager);
        accountHistoryBean.setAccountId(request.getParameter("accountId"));
        accountHistoryBean.setSortOption(Integer.parseInt(request.getParameter("sortOption")));
        accountHistoryBean.setActivityView(Integer.parseInt(request.getParameter("activityView")));
        accountHistoryBean.setYear(Integer.parseInt(request.getParameter("year")));
        accountHistoryBean.setDate(Integer.parseInt(request.getParameter("date")));
        accountHistoryBean.setSinceDay(Integer.parseInt(request.getParameter("sinceDay")));
        accountHistoryBean.setSinceMonth(Integer.parseInt(request.getParameter("sinceMonth")));
        accountHistoryBean.setBeginDay(Integer.parseInt(request.getParameter("beginDay")));
        accountHistoryBean.setBeginMonth(Integer.parseInt(request.getParameter("beginMonth")));
        accountHistoryBean.setEndDay(Integer.parseInt(request.getParameter("endDay")));
        accountHistoryBean.setEndMonth(Integer.parseInt(request.getParameter("endMonth")));
      } catch (NumberFormatException e) {
        // Not possible
      }
      accountHistoryBean.doTx();
    } else if (selectedScreen.equals("/transferAck")) {
      String fromAccountId = request.getParameter("fromAccountId");
      String toAccountId = request.getParameter("toAccountId");
      if ( (fromAccountId == null) || (toAccountId == null) ) {
        request.setAttribute("errorMessage", messages.getString("AccountError"));
        try {
            request.getRequestDispatcher("/error.jsp").forward(request, response);
        } catch(Exception ex) {
        }
      } else { 
        TransferBean transferBean = new TransferBean();
        request.setAttribute("transferBean", transferBean);
        try {
          transferBean.setMessages(messages);
          transferBean.setBeanManager(beanManager);
          transferBean.setFromAccountId(fromAccountId);       
          transferBean.setToAccountId(toAccountId);
          transferBean.setTransferAmount((new BigDecimal(request.getParameter("transferAmount"))).setScale(2));
          String errorMessage = transferBean.doTx();
          if (errorMessage != null) {
          	request.setAttribute("errorMessage", errorMessage);
            try {
                request.getRequestDispatcher("/error.jsp").forward(request, response);
            } catch(Exception ex) {
            }
          }         
        } catch (NumberFormatException e) {
          request.setAttribute("errorMessage", messages.getString("AmountError"));
          try {
              request.getRequestDispatcher("/error.jsp").forward(request, response);
          } catch(Exception ex) {
          }
        }
      }
    } else if (selectedScreen.equals("/atmAck")) {
      ATMBean atmBean = new ATMBean();
      request.setAttribute("atmBean", atmBean);
      try {
        atmBean.setMessages(messages);         
        atmBean.setBeanManager(beanManager);
        atmBean.setAccountId(request.getParameter("accountId"));
        atmBean.setAmount((new BigDecimal(request.getParameter("amount"))).setScale(2));
        atmBean.setOperation(Integer.parseInt(request.getParameter("operation")));
        String errorMessage = atmBean.doTx();
        if (errorMessage != null) {
          request.setAttribute("errorMessage", errorMessage);
          try {
              request.getRequestDispatcher("/error.jsp").forward(request, response);
          } catch(Exception ex) {
          }
        }                 
      } catch (NumberFormatException e) {
        request.setAttribute("errorMessage", messages.getString("AmountError"));
        try {
            request.getRequestDispatcher("/error.jsp").forward(request, response);
        } catch(Exception ex) {
        }
      }
    }       
    try {
        request.getRequestDispatcher("/template/template.jsp").forward(request, response);
    } catch(Exception ex) {
    }
  }
}