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Java > Open Source Codes > org > infoglue > cms > controllers > usecases > common > impl > simple > LoginUCCImpl


1 /* ===============================================================================
2  *
3  * Part of the InfoGlue Content Management Platform (www.infoglue.org)
4  *
5  * ===============================================================================
6  *
7  * Copyright (C)
8  *
9  * This program is free software; you can redistribute it and/or modify it under
10  * the terms of the GNU General Public License version 2, as published by the
11  * Free Software Foundation. See the file LICENSE.html for more information.
12  *
13  * This program is distributed in the hope that it will be useful, but WITHOUT
14  * ANY WARRANTY, including the implied warranty of MERCHANTABILITY or FITNESS
15  * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License along with
18  * this program; if not, write to the Free Software Foundation, Inc. / 59 Temple
19  * Place, Suite 330 / Boston, MA 02111-1307 / USA.
20  *
21  * ===============================================================================
22  */
23
24 package org.infoglue.cms.controllers.usecases.common.impl.simple;
25
26 import org.apache.log4j.Logger;
27 import org.exolab.castor.jdo.Database;
28 import org.exolab.castor.jdo.OQLQuery;
29 import org.exolab.castor.jdo.QueryResults;
30 import org.infoglue.cms.controllers.kernel.impl.simple.BaseUCCController;
31 import org.infoglue.cms.controllers.kernel.impl.simple.CastorDatabaseService;
32 import org.infoglue.cms.controllers.usecases.common.LoginUCC;
33 import org.infoglue.cms.entities.management.SystemUser;
34 import org.infoglue.cms.exception.SystemException;
35 import org.infoglue.cms.util.ConstraintExceptionBuffer;
36
37 public class LoginUCCImpl extends BaseUCCController implements LoginUCC
38 {
39         
40     private final static Logger logger = Logger.getLogger(LoginUCCImpl.class.getName());
41
42     public boolean authorizeSystemUser(String JavaDoc userName, String JavaDoc password) throws SystemException
43     {
44         Database db = CastorDatabaseService.getDatabase();
45         ConstraintExceptionBuffer ceb = new ConstraintExceptionBuffer();
46
47         boolean isAuthorized = false;
48         
49         beginTransaction(db);
50         
51         try
52         {
53             OQLQuery oql;
54     
55             oql = db.getOQLQuery( "SELECT u FROM org.infoglue.cms.entities.management.impl.simple.SystemUserImpl u WHERE u.userName = $1 AND u.password = $2" );
56             oql.bind(userName);
57             oql.bind(password);
58             QueryResults results = oql.execute();
59             if (results.hasMore())
60             {
61                 SystemUser systemUser = null;
62                 systemUser = (SystemUser)results.next();
63                 isAuthorized = true;
64             }
65         
66             //If any of the validations or setMethods reported an error, we throw them up now before create.
67 ceb.throwIfNotEmpty();
68             
69             commitTransaction(db);
70         }
71         catch(Exception JavaDoc e)
72         {
73             logger.error("An error occurred so we should not complete the transaction:" + e, e);
74             rollbackTransaction(db);
75             throw new SystemException(e.getMessage());
76         }
77
78         return isAuthorized;
79     }
80
81     
82 }
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