/*
* Tanaguru - Automated webpage assessment
* Copyright (C) 2008-2015 Tanaguru.org
*
* This file is part of Tanaguru.
*
* Tanaguru is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Contact us by mail: tanaguru AT tanaguru DOT org
*/
package org.tanaguru.webapp.util;
import java.util.regex.Pattern;
/**
*
* @author jkowalczyk
*/
public final class TgolPasswordChecker {
// from http://www.cafewebmaster.com/regex-regular-expression-password-check-java
private static final String PASSWORD_CHECKER_REGEXP =
"((?=.*\\d)(?=.*[a-z])(?=.*[A-Z]).{8,})";
private final Pattern passwordCheckerPattern = Pattern.compile(PASSWORD_CHECKER_REGEXP);
/**
* The unique instance of TgolTokenHelper
*/
private static TgolPasswordChecker tgolPasswordChecker = null;
/**
* Private constructor
*/
private TgolPasswordChecker() {}
/**
*
* @return
*/
public static synchronized TgolPasswordChecker getInstance() {
if (tgolPasswordChecker == null) {
tgolPasswordChecker = new TgolPasswordChecker();
}
return tgolPasswordChecker;
}
public boolean checkPasswordValidity(String password) {
return passwordCheckerPattern.matcher(password).matches();
}
}