001    /**
002     * Copyright (c) 2000-2013 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.util;
016    
017    import com.liferay.portal.kernel.log.Log;
018    import com.liferay.portal.kernel.log.LogFactoryUtil;
019    
020    import java.lang.reflect.Field;
021    
022    /**
023     * @author Brian Wing Shun Chan
024     */
025    public class StaticFieldGetter {
026    
027            public static StaticFieldGetter getInstance() {
028                    return _instance;
029            }
030    
031            public Object getFieldValue(String className, String fieldName) {
032                    Object obj = null;
033    
034                    try {
035                            Class<?> objClass = Class.forName(className);
036    
037                            Field field = objClass.getField(fieldName);
038    
039                            obj = field.get(objClass);
040                    }
041                    catch (Exception e) {
042                            _log.error(e);
043                    }
044    
045                    return obj;
046            }
047    
048            private StaticFieldGetter() {
049            }
050    
051            private static Log _log = LogFactoryUtil.getLog(StaticFieldGetter.class);
052    
053            private static StaticFieldGetter _instance = new StaticFieldGetter();
054    
055    }