KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > com > mvnforum > common > kg > NoBadLoginIDInterceptor


1 /*
2  * $Header: /cvsroot/mvnforum/mvnforum/src/com/mvnforum/common/kg/NoBadLoginIDInterceptor.java,v 1.4 2006/04/14 17:05:26 minhnn Exp $
3  * $Author: minhnn $
4  * $Revision: 1.4 $
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: Minh Nguyen
39  */
40 package com.mvnforum.common.kg;
41
42 import net.myvietnam.mvncore.interceptor.LoginIDInterceptor;
43 import net.myvietnam.mvncore.exception.InterceptorException;
44
45 /**
46  * This sample LoginIDInterceptor show how to check that user cannot
47  * use bad login id such as sex (vulgar) or administrator (to confuse users)
48  * to use the system. This class
49  * show simple method for checking but for real case you should build
50  * a list of not-allowed loginID and use other data struture for efficiency
51  * You can based on this sample to write your own LoginIDInterceptor.
52  */
53 public class NoBadLoginIDInterceptor implements LoginIDInterceptor {
54
55     public NoBadLoginIDInterceptor() {
56     }
57
58     /**
59      * In this sample interceptor, it check that loginID is good or bad
60      *
61      * @param loginID String loginID to be validated
62      * @throws InterceptorException
63      */
64     public void validateLoginID(String JavaDoc loginID) throws InterceptorException {
65         loginID = loginID.toLowerCase();
66         if (loginID.equals("sex") ||
67             loginID.equals("moderator") ||
68             loginID.equals("administrator") ||
69             loginID.startsWith(KGUtils.KG_PREFIX) ) {
70             throw new InterceptorException("Cannot accept this loginID. Your loginID = " + loginID);
71         }
72     }
73 }
74
Popular Tags