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OpenCms is an enterprise-ready, easy to use website content management system based on Java and XML technology. Offering a complete set of features, OpenCms helps content managers worldwide to create and maintain beautiful websites fast and efficiently.

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/*
 * This library is part of OpenCms -
 * the Open Source Content Management System
 *
 * Copyright (c) Alkacon Software GmbH & Co. KG (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 org.opencms.security;

import java.util.Locale;

/**
 * Password handler implementing this interface allow the password security to be evaluated.
 */
public interface I_CmsPasswordSecurityEvaluator {

    /** Password security levels. */
    public enum SecurityLevel {
        /** Invalid. */
        invalid,

        /** Strong. */
        strong,

        /** Weak. */
        weak
    }

    /**
     * Evaluates the given password security.

     *
     * @param password the password
     *
     * @return the security level as a number between 0 and 1, 0 meaning a low security and 1 a strong security
     */
    SecurityLevel evaluatePasswordSecurity(String password);

    /**
     * Returns a hint describing how to set a secure password.
     *
     * @param locale the locale
     *
     * @return the password security hint
     */
    String getPasswordSecurityHint(Locale locale);
}