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The source code/* * $Header: /cvsroot/mvnforum/mvnforum/src/com/mvnforum/common/kg/NoBadLoginIDInterceptor.java,v 1.2 2005/01/18 11:52:17 minhnn Exp $ * $Author: minhnn $ * $Revision: 1.2 $ * $Date: 2005/01/18 11:52:17 $ * * ==================================================================== * * Copyright (C) 2002-2005 by MyVietnam.net * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or any later version. * * All copyright notices regarding MyVietnam and MyVietnam CoreLib * MUST remain intact in the scripts and source code. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * Correspondence and Marketing Questions can be sent to: * info@MyVietnam.net * * @author: Minh Nguyen minhnn@MyVietnam.net */ package com.mvnforum.common.kg; import net.myvietnam.mvncore.interceptor.LoginIDInterceptor; import net.myvietnam.mvncore.exception.InterceptorException; /** * This sample LoginIDInterceptor show how to check that user cannot * use bad login id such as sex (vulgar) or administrator (to confuse users) * to use the system. This class * show simple method for checking but for real case you should build * a list of not-allowed loginID and use other data struture for efficiency * You can based on this sample to write your own LoginIDInterceptor. */ public class NoBadLoginIDInterceptor implements LoginIDInterceptor { public NoBadLoginIDInterceptor() { } /** * In this sample interceptor, it check that loginID is good or bad * * @param loginID String loginID to be validated * @throws InterceptorException */ public void validateLoginID(String loginID) throws InterceptorException { loginID = loginID.toLowerCase(); if (loginID.equals("sex") || loginID.equals("moderator") || loginID.equals("administrator") || loginID.startsWith(KGUtils.KG_PREFIX) ) { throw new InterceptorException("Cannot accept this loginID. Your loginID = " + loginID); } } } |
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