1    package net.server.servlets; 
2     
3    import javax.servlet.ServletException; 
4    import javax.servlet.http.HttpServlet; 
5    import javax.servlet.http.HttpServletRequest; 
6    import javax.servlet.http.HttpServletResponse; 
7    import javax.servlet.http.HttpSession; 
8    import java.io.IOException; 
9    import java.io.PrintWriter; 
10   import java.util.Properties; 
11    
12   /** 
13    * FormC Class 
14    */ 
15    
16   public class FormC extends HttpServlet { 
17    
18       /** 
19        * If the user came througth the Login Prompt then the FormC selection 
20        * will be displayed for the respective user, otherwise process is 
21        * redirected to Login Page. 
22        * 
23        */ 
24    
25       static final String FORMC_PROPERTY_FILE = Globals.FORMC_PROPERTY_FILE; 
26    
27       public void doGet(HttpServletRequest request, 
28                         HttpServletResponse response) 
29               throws IOException, ServletException { 
30    
31           response.setContentType("text/html"); 
32           PrintWriter out = response.getWriter(); 
33           System.out.println("Loading FormC"); 
34    
35           HttpSession session = request.getSession(true); 
36           String user = (String) session.getValue("userId"); 
37    
38           if (user == null) { 
39               response.sendRedirect(getRedirectURL()); 
40           } else { 
41               FormCData fcData = (FormCData) session.getValue("fcData"); 
42               getFormC(request, response, session, out, fcData, user); 
43           } 
44    
45       } 
46    
47       /** 
48        * Calls the doGet() method 
49        * 
50        * @throws    java.io.IOException ServletException 
51        */ 
52    
53       public void doPost(HttpServletRequest request, 
54                          HttpServletResponse response) 
55               throws IOException, ServletException { 
56    
57           doGet(request, response); 
58       } 
59    
60       /** 
61        * getRedirectURL    Method 
62        * 
63        * @return           String 
64        */ 
65    
66       private String getRedirectURL() { 
67           try { 
68               Properties prop = FileUtil.loadProperties("FormC.Property"); 
69               System.out.println("The loginURL is " + prop.getProperty("LoginURL")); 
70               return prop.getProperty("LoginURL"); 
71           } catch (PropFileException pfnf) { 
72               pfnf.printStackTrace(); 
73               return null; 
74           } 
75       } 
76    
77       /** 
78        * getFormC  Method 
79        * 
80    
81        */ 
82    
83       private void getFormC(HttpServletRequest request, 
84                             HttpServletResponse response, 
85                             HttpSession session, 
86                             PrintWriter out, 
87                             FormCData fcData, 
88                             String user) { 
89    
90           String nextAction = (String) session.getValue("nextAction"); 
91    
92           System.out.println("Next action is " + nextAction); 
93    
94           if (!nextAction.equals("FormC")) 
95               nextAction = request.getParameter("txtNextAction"); 
96    
97           if ((fcData == null) || (nextAction.equals("FormC"))) { 
98               session.putValue("nextAction", "CollectData"); 
99               fcDataInit(session, out, fcData, user); 
100          } else if (nextAction.equals("CollectData")) { 
101              selectFormC(request, session, out, fcData); 
102          } else if (nextAction.equals("DisplayData")) { 
103              displayFormCData(request, session, out, fcData); 
104          } else if (nextAction.equals("SQL")) { 
105              out.println(fcData.getSqlFormC()); 
106          } 
107      } 
108   
109      /** 
110       * fcDataInit        Method 
111       * 
112       */ 
113   
114      private void fcDataInit(HttpSession session, PrintWriter out, 
115                              FormCData fcData, String user) { 
116          if (fcData == null) { 
117              fcData = new FormCData(); 
118              if (fcData.init()) { 
119                  session.putValue("fcData", fcData); 
120  //              System.out.println("We are trying to initialize the data " + user); 
121   
122                  out.println(fcData.getDefaultFormC(user)); 
123              } else { 
124                  out.println(fcData.getErrorFormC()); 
125              } 
126          } else { 
127              out.println(fcData.getDefaultFormC(user)); 
128          } 
129   
130      } 
131   
132   
133      /** 
134       * selectFormC       Method 
135       * 
136   
137       */ 
138   
139      private void selectFormC(HttpServletRequest request, HttpSession session, 
140                               PrintWriter out, FormCData fcData) { 
141   
142          String term = request.getParameter("cboTerm"); 
143          String course = request.getParameter("cboCourse"); 
144          String section = request.getParameter("cboSection"); 
145   
146          out.println(fcData.getSelectFormC(term, course, section)); 
147   
148      } 
149   
150      /** 
151       * displayFormCData  Method 
152       * 
153   
154       */ 
155   
156      private void displayFormCData(HttpServletRequest request, 
157                                    HttpSession session, 
158                                    PrintWriter out, 
159                                    FormCData fcData) { 
160   
161          String[] iNames = RequestUtil.getParmNames(request); 
162          String[] iValues = RequestUtil.getParmValues(iNames, request); 
163   
164          out.println(fcData.getDisplayFormC(iNames, iValues)); 
165   
166      } 
167   
168  } 
169   
170   
171   
172