nobadloginidinterceptor.java

解觖java技术中后台无法上传数给的情况

/*
 * $Header: /cvsroot/mvnforum/mvnforum/src/com/mvnforum/common/kg/NoBadLoginIDInterceptor.java,v 1.4 2006/04/14 17:05:26 minhnn Exp $
 * $Author: minhnn $
 * $Revision: 1.4 $
 * $Date: 2006/04/14 17:05:26 $
 *
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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);
        }
    }
}