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Java > Open Source Codes > com > mvnforum > auth > SampleRealmAuthenticator


1 /*
2  * $Header: /cvsroot/mvnforum/mvnforum/src/com/mvnforum/auth/SampleRealmAuthenticator.java,v 1.10 2006/04/14 17:05:26 minhnn Exp $
3  * $Author: minhnn $
4  * $Revision: 1.10 $
5  * $Date: 2006/04/14 17:05:26 $
6  *
7  * ====================================================================
8  *
9  * Copyright (C) 2002-2006 by MyVietnam.net
10  *
11  * All copyright notices regarding mvnForum MUST remain
12  * intact in the scripts and in the outputted HTML.
13  * The "powered by" text/logo with a link back to
14  * http://www.mvnForum.com and http://www.MyVietnam.net in
15  * the footer of the pages MUST remain visible when the pages
16  * are viewed on the internet or intranet.
17  *
18  * This program is free software; you can redistribute it and/or modify
19  * it under the terms of the GNU General Public License as published by
20  * the Free Software Foundation; either version 2 of the License, or
21  * any later version.
22  *
23  * This program is distributed in the hope that it will be useful,
24  * but WITHOUT ANY WARRANTY; without even the implied warranty of
25  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26  * GNU General Public License for more details.
27  *
28  * You should have received a copy of the GNU General Public License
29  * along with this program; if not, write to the Free Software
30  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
31  *
32  * Support can be obtained from support forums at:
33  * http://www.mvnForum.com/mvnforum/index
34  *
35  * Correspondence and Marketing Questions can be sent to:
36  * info at MyVietnam net
37  *
38  * @author: Phong Ta Quoc
39  */
40 package com.mvnforum.auth;
41
42 import net.myvietnam.mvncore.exception.DatabaseException;
43 import net.myvietnam.mvncore.exception.ObjectNotFoundException;
44 import net.myvietnam.mvncore.util.StringUtil;
45 import net.myvietnam.mvncore.web.GenericRequest;
46
47 import org.apache.commons.logging.Log;
48 import org.apache.commons.logging.LogFactory;
49
50 import com.mvnforum.db.DAOFactory;
51
52 /**
53  * This is a sample class that implement Authenticator for authenticate user when the system use
54  * authentication type: Realm <p>
55  * Use this class as a sample to write your own Single Sign-On solution
56  */
57 public class SampleRealmAuthenticator extends AbstractSampleAuthenticator {
58
59     private static Log log = LogFactory.getLog(SampleRealmAuthenticator.class);
60
61     public String JavaDoc getRemoteUser(GenericRequest request) {
62
63         String JavaDoc memberName = request.getRemoteUser();
64         memberName = StringUtil.getEmptyStringIfNull(memberName);
65         //log.debug("Member Name is " + memberName);
66 if (memberName.length() > 0) {
67             try {
68                 DAOFactory.getMemberDAO().findByAlternateKey_MemberName(memberName);
69             } catch (ObjectNotFoundException onfe) {
70                 // memberName does not exist, let to add an account "memberName"
71 try {
72                     createAccount(memberName, request);
73                 } catch (Exception JavaDoc e) {
74                     // just return null;
75 log.error("Error is :" + e);
76                     return null;
77                 }
78             } catch (DatabaseException de) {
79                 // do nothing,
80 log.error("Error is :" + de);
81             }
82         }
83         //log.debug("Member Name is " + memberName);
84 return memberName;
85     }
86 }
87
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