/*
* File : $Source: /alkacon/cvs/alkacon/com.alkacon.opencms.v8.formgenerator/src/com/alkacon/opencms/v8/formgenerator/CmsMaptcha.java,v $
* Date : $Date: 2010/03/19 15:31:10 $
* Version: $Revision: 1.2 $
*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (C) 2010 Alkacon Software (http://www.alkacon.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* For further information about Alkacon Software, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.alkacon.opencms.v8.formgenerator;
import com.octo.captcha.text.TextCaptcha;
/**
* Extends the text captcha for generating math challenges.<p>
*
* @author Andreas Zahner
*/
public class CmsMaptcha extends TextCaptcha {
/** Serial version ID. */
private static final long serialVersionUID = 3866109424461928101L;
/** The response String. */
private String m_response;
/**
* Constructor with parameters.<p>
*
* @param questionMath the question
* @param challengeMath the challenge
* @param response the response
*/
CmsMaptcha(String questionMath, String challengeMath, String response) {
super(questionMath, challengeMath);
this.m_response = response;
}
/**
* Validation routine from the CAPTCHA interface. this methods verify if the response is not null and a String and
* then compares the given response to the internal string.<p>
*
* @param response the response
* @return true if the given response equals the internal response, false otherwise
*/
public final Boolean validateResponse(final Object response) {
return ((null != response) && (response instanceof String))
? validateResponse((String)response)
: Boolean.FALSE;
}
/**
* Very simple validation routine that compares the given response to the internal string.<p>
*
* @param response the response
* @return true if the given response equals the internal response, false otherwise
*/
private Boolean validateResponse(final String response) {
return Boolean.valueOf(response.equals(this.m_response));
}
}