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17 package org.apache.jetspeed.om.security;
18
19 import org.apache.turbine.services.TurbineServices;
20 import org.apache.turbine.services.resources.ResourceService;
21
22 import org.apache.jetspeed.services.security.UserException;
23 import org.apache.jetspeed.services.security.JetspeedSecurityService;
24
25 /***
26 * Factory class for creating Jetspeed Users.
27 * The user class is configured in the JR.p
28 *
29 * @author <a href="mailto:taylor@apache.org">David Sean Taylor</a>
30 * @version $Id: JetspeedUserFactory.java,v 1.4 2004/02/23 03:14:12 jford Exp $
31 */
32 public class JetspeedUserFactory
33 {
34 private static final String CONFIG_USER_CLASSNAME = "user.class";
35
36 private static String userClassName = null;
37 private static Class userClass = null;
38
39 /***
40 * Factory method to create JetspeedUser instances.
41 *
42 *
43 * @throws UnknownEntityException when the user instance cant be created.
44 * @return JetspeedUser a new created user.
45 */
46 public static JetspeedUser getInstance()
47 throws UserException
48 {
49 return getInstance(true);
50 }
51
52 public static JetspeedUser getInstance(boolean isNew)
53 throws UserException
54 {
55 JetspeedUser user = null;
56
57 if (null == userClassName)
58 {
59 try
60 {
61 ResourceService serviceConf = ((TurbineServices)TurbineServices.getInstance())
62 .getResources(JetspeedSecurityService.SERVICE_NAME);
63 userClassName = serviceConf.getString(CONFIG_USER_CLASSNAME);
64 userClass = Class.forName(userClassName);
65 }
66 catch(Exception e)
67 {
68 throw new UserException(
69 "JetspeedUserFactory: Failed to create a Class object for User implementation: " + e.toString());
70 }
71 }
72
73 try
74 {
75 user = (JetspeedUser)userClass.newInstance();
76 if (user instanceof BaseJetspeedUser)
77 {
78 ((BaseJetspeedUser)user).setNew(isNew);
79 }
80 }
81 catch(Exception e)
82 {
83 throw new UserException("Failed instantiate an User implementation object: " + e.toString());
84 }
85
86 return user;
87 }
88
89
90 }
91