src/com/interrupt/bookkeeping/http/BookkeepingServlet.java

   1 package com.interrupt.bookkeeping.http;
   2
   3 import javax.servlet.ServletException;
   4 import javax.servlet.SingleThreadModel;
   5 import javax.servlet.http.HttpServlet;
   6 import javax.servlet.http.HttpServletRequest;
   7 import javax.servlet.http.HttpServletResponse;
   8
   9 import org.apache.log4j.Logger;
  10 import org.exist.EXistException;
  11 import org.exist.storage.BrokerPool;
  12 import org.exist.util.Configuration;
  13 import org.exist.util.DatabaseConfigurationException;
  14
  15 import java.io.File;
  16 import java.io.FileReader;
  17 import java.io.BufferedReader;
  18 import java.io.PrintWriter;
  19 import java.io.IOException;
  20 import java.util.List;
  21 import java.util.Map;
  22 import java.util.Set;
  23 import java.util.Iterator;
  24
  25 import com.interrupt.bob.base.Bob;
  26 import com.interrupt.bob.base.IBob;
  27 import com.interrupt.bookkeeping.ISystem;
  28 import com.interrupt.bookkeeping.account.IAccount;
  29 import com.interrupt.bookkeeping.account.IAccounts;
  30 import com.interrupt.bookkeeping.cc.ExpressionVisitor;
  31 import com.interrupt.bookkeeping.cc.ReplaceVisitor;
  32 import com.interrupt.bookkeeping.cc.analysis.DepthFirstAdapter;
  33 import com.interrupt.bookkeeping.cc.bkell.Bkell;
  34 import com.interrupt.bookkeeping.cc.bkell.aauth.Aauthentication;
  35 import com.interrupt.bookkeeping.cc.bkell.command.AddCommand;
  36 import com.interrupt.bookkeeping.cc.bkell.command.GOption;
  37 import com.interrupt.bookkeeping.cc.bkell.command.GOptions;
  38 import com.interrupt.bookkeeping.cc.bkell.command.GResult;
  39 import com.interrupt.bookkeeping.cc.bkell.command.GToken;
  40 import com.interrupt.bookkeeping.cc.bkell.command.ICommand;
  41 import com.interrupt.bookkeeping.cc.bkell.command.IResult;
  42 import com.interrupt.bookkeeping.cc.bkell.command.ITokens;
  43 import com.interrupt.bookkeeping.cc.bkell.command.ListCommand;
  44 import com.interrupt.bookkeeping.cc.bkell.command.RemoveCommand;
  45 import com.interrupt.bookkeeping.http.BookkeepingSystemFacade;
  46 import com.interrupt.bookkeeping.http.ServletInputParams;
  47 import com.interrupt.bookkeeping.journal.IEntries;
  48 import com.interrupt.bookkeeping.journal.IEntry;
  49 import com.interrupt.bookkeeping.journal.IJournal;
  50 import com.interrupt.bookkeeping.journal.IJournals;
  51 import com.interrupt.bookkeeping.system.BookkeepingSystem;
  52 import com.interrupt.bookkeeping.users.IUserSession;
  53 import com.interrupt.bookkeeping.users.UserSession;
  54 import com.interrupt.util.IdGenerator;
  55
  56
  57 public class BookkeepingServlet extends HttpServlet {
  58
  59
  60         private Logger logger = Logger.getLogger(BookkeepingServlet.class);
  61
  62
  63     /**
  64      * Initialise the bookkeeping system
  65      */
  66     public void init() throws ServletException {
  67
  68
  69         //** initialising the servlet
  70         String valueDBUrl = getServletConfig().getInitParameter("db.url");
  71         String valueExistInit = getServletConfig().getInitParameter("exist.initdb");
  72         String valueExistHome = getServletConfig().getInitParameter("exist.home");
  73         String valueSaxValidation = getServletConfig().getInitParameter("org.xml.sax.features.validation");
  74         String valueEndorsedDirs = getServletConfig().getInitParameter("java.endorsed.dirs");
  75         String valueConfFile = getServletConfig().getInitParameter("configuration");
  76
  77         logger.debug("");
  78         logger.debug("db.url > "+ valueDBUrl);
  79         logger.debug("exist.initdb > "+ valueExistInit);
  80         logger.debug("exist.home > "+ valueExistHome);
  81         logger.debug("org.xml.sax.features.validation > "+ valueSaxValidation);
  82         logger.debug("java.endorsed.dirs > "+ valueEndorsedDirs);
  83
  84         if(valueDBUrl != null)
  85                 System.getProperties().setProperty("db.url", valueDBUrl);
  86
  87         if(valueExistInit != null)
  88                 System.getProperties().setProperty("exist.initdb", valueExistInit);
  89
  90         if(valueExistHome != null)
  91                 System.getProperties().setProperty("exist.home", valueExistHome);
  92
  93         if(valueSaxValidation != null)
  94                 System.getProperties().setProperty("org.xml.sax.features.validation", valueSaxValidation);
  95
  96         if(valueEndorsedDirs != null)
  97                 System.getProperties().setProperty("java.endorsed.dirs", valueEndorsedDirs);
  98
  99     }
 100
 101
 102     public void doGet(HttpServletRequest req, HttpServletResponse resp)
 103                 throws ServletException, IOException {
 104
 105                 logger.debug( "doGet CALLED >>> " );
 106
 107     }
 108     public void doPost(HttpServletRequest req, HttpServletResponse resp)
 109                 throws ServletException, IOException {
 110
 111                 logger.debug( "doPost CALLED >>> " );
 112                 //ServletInputParams siparams = new ServletInputParams();
 113                 //siparams.req = req;
 114                 //siparams.res = resp;
 115
 116                 try {
 117
 118                     if(req.getSession(false) == null) {
 119
 120                         logger.debug( "CREATING a new session" );
 121                     }
 122                     BookkeepingSystemFacade bsfacade =
 123                         (BookkeepingSystemFacade)(req.getSession(true).getAttribute(BookkeepingSystemFacade.FACADE_NAME));
 124             if(bsfacade == null) {
 125
 126                 logger.debug( "CREATING a new bsfacade" );
 127                         bsfacade = new BookkeepingSystemFacade();
 128                         bsfacade.initialise();
 129                     }
 130
 131                     bsfacade.perform(req, resp);
 132                     String xmlResult = null;
 133                     try {
 134                         xmlResult = bsfacade.getBkell().getPreviousCommandResult().toXML(false);
 135                     }
 136                     catch(NullPointerException e) {
 137
 138                                 logger.error("BookkeepingServlet.doPost > NullPointerException while referencing 'bkell.getPreviousCommandResult()' > ERROR while processing");
 139                                 return;         //** there must be an error if there's an empty previous command
 140                         }
 141
 142                     logger.debug( "END BookkeepingServlet RESULT: " + xmlResult );
 143
 144                     req.getSession().setAttribute(BookkeepingSystemFacade.FACADE_NAME, bsfacade);
 145
 146                 }
 147                 catch(InterruptedException e) {
 148                         throw new ServletException(e);
 149                 }
 150
 151     }
 152
 153 }
 154
 155