1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   *
12   *
13   */
14  
15  package com.liferay.portal.kernel.increment;
16  
17  import com.liferay.portal.SystemException;
18  
19  import java.lang.reflect.Constructor;
20  
21  /**
22   * <a href="IncrementFactory.java.html"><b><i>View Source</i></b></a>
23   *
24   * @author Shuyang Zhou
25   */
26  public class IncrementFactory {
27  
28      @SuppressWarnings("rawtypes")
29      public static Increment createIncrement(
30              Class<? extends Increment<?>> counterClass, Object value)
31          throws SystemException {
32  
33          if ((counterClass == NumberIncrement.class) &&
34              (value instanceof Number)) {
35  
36              return new NumberIncrement((Number)value);
37          }
38          try {
39              Constructor<? extends Increment<?>> constructor =
40                  counterClass.getConstructor(value.getClass());
41  
42              return constructor.newInstance(value);
43          }
44          catch (Exception e) {
45              throw new SystemException(e);
46          }
47      }
48  
49  }