1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * This library is free software; you can redistribute it and/or modify it under
5    * the terms of the GNU Lesser General Public License as published by the Free
6    * Software Foundation; either version 2.1 of the License, or (at your option)
7    * any later version.
8    *
9    * This library is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11   * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12   * details.
13   */
14  
15  package com.liferay.portal.kernel.util;
16  
17  import com.liferay.portal.kernel.log.Log;
18  import com.liferay.portal.kernel.log.LogFactoryUtil;
19  
20  import java.lang.reflect.Constructor;
21  import java.lang.reflect.Field;
22  
23  /**
24   * <a href="ReflectionUtil.java.html"><b><i>View Source</i></b></a>
25   *
26   * @author Brian Wing Shun Chan
27   */
28  public class ReflectionUtil {
29  
30      public static Object getFieldValue(Class<?> classObj, String fieldName) {
31          try {
32              Field field = classObj.getDeclaredField(fieldName);
33  
34              field.setAccessible(true);
35  
36              return field.get(null);
37          }
38          catch (Exception e) {
39              _log.error(e, e);
40  
41              return null;
42          }
43      }
44  
45      public static Object newInstance(String className, String p1) {
46          try {
47              Class<?> classObj = Class.forName(className);
48  
49              Constructor<?> classConstructor =
50                  classObj.getConstructor(new Class[] {String.class});
51  
52              Object[] args = new Object[] {p1};
53  
54              return classConstructor.newInstance(args);
55          }
56          catch (Exception e) {
57              _log.error(e, e);
58  
59              return null;
60          }
61      }
62  
63      private static Log _log = LogFactoryUtil.getLog(ReflectionUtil.class);
64  
65  }