001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.security.auth;
016    
017    import com.liferay.portal.kernel.log.Log;
018    import com.liferay.portal.kernel.log.LogFactoryUtil;
019    import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
020    import com.liferay.portal.util.PropsValues;
021    
022    /**
023     * @author Amos Fong
024     */
025    public class EmailAddressGeneratorFactory {
026    
027            public static EmailAddressGenerator getInstance() {
028                    if (_emailAddressGenerator == null) {
029                            if (_log.isDebugEnabled()) {
030                                    _log.debug(
031                                            "Instantiate " + PropsValues.USERS_EMAIL_ADDRESS_GENERATOR);
032                            }
033    
034                            ClassLoader classLoader = PortalClassLoaderUtil.getClassLoader();
035    
036                            try {
037                                    _emailAddressGenerator =
038                                            (EmailAddressGenerator)classLoader.loadClass(
039                                                    PropsValues.USERS_EMAIL_ADDRESS_GENERATOR)
040                                                            .newInstance();
041                            }
042                            catch (Exception e) {
043                                    _log.error(e, e);
044                            }
045                    }
046    
047                    if (_log.isDebugEnabled()) {
048                            _log.debug("Return " + _emailAddressGenerator.getClass().getName());
049                    }
050    
051                    return _emailAddressGenerator;
052            }
053    
054            public static void setInstance(
055                    EmailAddressGenerator emailAddressGenerator) {
056    
057                    if (_log.isDebugEnabled()) {
058                            _log.debug("Set " + emailAddressGenerator.getClass().getName());
059                    }
060    
061                    _emailAddressGenerator = emailAddressGenerator;
062            }
063    
064            private static Log _log = LogFactoryUtil.getLog(
065                    EmailAddressGeneratorFactory.class);
066    
067            private static EmailAddressGenerator _emailAddressGenerator;
068    
069    }