UserController


1   /****
2    * UserController.java
3    *
4    * JavaBean to allow the JSP pages to perform the right
5    * user functions.
6    *
7    * @author: Devraj Mukherjee
8    *
9    ****/
10  
11  package freeforums.jspbeans;
12  
13  import javax.naming.*;
14  import java.util.Hashtable  ;
15  import javax.rmi.PortableRemoteObject  ;
16  import java.util.Properties  ;
17  import java.io.FileInputStream  ;
18  import java.util.Properties  ;
19  
20  import freeforums.user.UserHome;
21  import freeforums.user.User;
22  import freeforums.user.UserManagerHome;
23  import freeforums.user.UserManager;
24  
25  import java.util.List  ;
26  
27  import org.jdom.*;
28  
29  public class UserController extends Object   {
30  
31      /*
32       * Default Constructor does not have to initialize any instance vars
33       */
34  
35      public void UserController() {
36  
37          // Blank Constructor do nothing
38  
39      }
40  
41      public boolean isSuperUser(Document UserDocument) {
42  
43           Element userListElement = UserDocument.getRootElement();
44           List   userElementList = userListElement.getChildren();
45           Element [] userElements = (Element[])userElementList.toArray(new Element[0]);
46  
47           String   SuperUser = userElements[0].getChild("SuperUser").getText();
48  
49           if(SuperUser.equals("Yes")) return true; // Is a Superuser
50           return false; // Not a superuser
51  
52      }
53  
54      public Document authenticateSession(Document userDocument) {
55  
56          /*****
57           *
58           * This method will authenticate the session passed on as a userDocument
59           * this method can be modified for tighter secruity be verifying the user
60           * using the Session Beans
61           *
62           *****/
63  
64           Element userListElement = userDocument.getRootElement();
65           List   userElementList = userListElement.getChildren();
66           Element [] userElements = (Element[])userElementList.toArray(new Element[0]);
67  
68           String   userName = userElements[0].getChild("UserName").getText();
69           String   password = userElements[0].getChild("Password").getText();
70  
71           Element responseElement = new Element("Response");
72  
73           if(userName.equals("") || password.equals("")) responseElement.addContent("Not Verified");
74           else responseElement.addContent("Verified");
75  
76           return (new Document(responseElement));
77  
78      }
79  
80      public Document getUserList() {
81  
82          try {
83              //Get the home interface for the user management bean
84              UserManagerHome home = (UserManagerHome) new InitialContext().lookup("UserManagerBean");
85              // Create the manager object
86              UserManager manager = home.create();
87              return manager.findAll();
88          }
89          catch(Exception   e) {
90              // do nothing much
91              return null;
92          }
93  
94      }
95  
96      public Document addUser(Document xmlUserList) {
97  
98          try {
99              //Get the home interface for the user management bean
100             UserManagerHome home = (UserManagerHome) new InitialContext().lookup("UserManagerBean");
101             // Create the manager object
102             UserManager manager = home.create();
103             return manager.addUser(xmlUserList);
104         }
105         catch(Exception   e) {
106             // do nothing much
107             return (new Document(new Element("Response").addContent("Failed")));
108         }
109 
110     }
111 
112     public Document loginUser(Document loginDocument) {
113 
114         try {
115             //Get the home interface for the user management bean
116             UserManagerHome home = (UserManagerHome) new InitialContext().lookup("UserManagerBean");
117             // Create the manager object
118             UserManager manager = home.create();
119             return manager.loginUser(loginDocument);
120         }
121         catch(Exception   e) {
122             // do nothing much
123             Element responseElement = new Element("Response");
124             responseElement.addContent("Failed");
125             return (new Document(responseElement));
126         }
127 
128     }
129 
130     public Document getUserDetails(Document loginDocument) {
131 
132         Element UserListElement = loginDocument.getRootElement();
133         List   UserElementList = UserListElement.getChildren();
134         Element [] UserElements = (Element[])UserElementList.toArray(new Element[0]);
135 
136         String   UserName = UserElements[0].getChild("UserName").getText();
137 
138         try {
139             //Get the home interface for the user management bean
140             UserManagerHome home = (UserManagerHome) new InitialContext().lookup("UserManagerBean");
141             // Create the manager object
142             UserManager manager = home.create();
143             return manager.getUser(new Document(new Element("UserName").addContent(UserName)));
144         }
145         catch(Exception   e) {
146             // do nothing much
147             Element responseElement = new Element("Response");
148             responseElement.addContent("Failed");
149             return (new Document(responseElement));
150         }
151     }
152 
153     // Bridge method to
154 
155     public Document modifyUserDetails(Document UserDocument) {
156 
157         try {
158             //Get the home interface for the user management bean
159             UserManagerHome home = (UserManagerHome) new InitialContext().lookup("UserManagerBean");
160             // Create the manager object
161             UserManager manager = home.create();
162             return manager.modifyUser(UserDocument);
163         }
164         catch(Exception   e) {
165             // do nothing much
166             Element responseElement = new Element("Response");
167             responseElement.addContent("Failed");
168             return (new Document(responseElement));
169         }
170 
171     }
172 
173     // Bridge method to addUserToForum
174 
175     public Document addUserToForum(Document UserDocument) {
176 
177         try {
178             //Get the home interface for the user management bean
179             UserManagerHome home = (UserManagerHome) new InitialContext().lookup("UserManagerBean");
180             // Create the manager object
181             UserManager manager = home.create();
182             return manager.addUserToForum(UserDocument);
183         }
184         catch(Exception   e) {
185             // do nothing much
186             Element responseElement = new Element("Response");
187             responseElement.addContent("Failed");
188             return (new Document(responseElement));
189         }
190 
191     }
192 
193 } // end class file here
194 
195
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