001    /**
002     * Copyright (c) 2000-present 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.image;
016    
017    import com.liferay.portal.kernel.image.Hook;
018    import com.liferay.portal.kernel.log.Log;
019    import com.liferay.portal.kernel.log.LogFactoryUtil;
020    import com.liferay.portal.util.PropsValues;
021    
022    /**
023     * @author Jorge Ferrer
024     */
025    public class HookFactory {
026    
027            public static Hook getInstance() {
028                    if (_hook == null) {
029                            if (_log.isDebugEnabled()) {
030                                    _log.debug("Instantiate " + PropsValues.IMAGE_HOOK_IMPL);
031                            }
032    
033                            _hook = new DLHook();
034                    }
035    
036                    if (_log.isDebugEnabled()) {
037                            Class<?> clazz = _hook.getClass();
038    
039                            _log.debug("Return " + clazz.getName());
040                    }
041    
042                    return _hook;
043            }
044    
045            public static void setInstance(Hook hook) {
046                    if (_log.isDebugEnabled()) {
047                            Class<?> clazz = hook.getClass();
048    
049                            _log.debug("Set " + clazz.getName());
050                    }
051    
052                    _hook = hook;
053            }
054    
055            private static final Log _log = LogFactoryUtil.getLog(HookFactory.class);
056    
057            private static Hook _hook;
058    
059    }