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.kernel.servlet.taglib;
016    
017    import com.liferay.registry.collections.ServiceTrackerCollections;
018    import com.liferay.registry.collections.ServiceTrackerMap;
019    
020    /**
021     * @author Carlos Sierra Andr??s
022     */
023    public class TagKeyFactoryRegistry {
024    
025            public static TagKeyFactory getTagKeyFactory(String tagClassName) {
026                    return _instance._tagKeyFactories.getService(tagClassName);
027            }
028    
029            private TagKeyFactoryRegistry() {
030                    _tagKeyFactories.open();
031            }
032    
033            private static final TagKeyFactoryRegistry _instance =
034                    new TagKeyFactoryRegistry();
035    
036            private final ServiceTrackerMap<String, TagKeyFactory>
037                    _tagKeyFactories = ServiceTrackerCollections.singleValueMap(
038                            TagKeyFactory.class, "tagClassName");
039    
040    }