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1   /**
2    * Redistribution and use of this software and associated documentation
3    * ("Software"), with or without modification, are permitted provided
4    * that the following conditions are met:
5    *
6    * 1. Redistributions of source code must retain copyright
7    *    statements and notices.  Redistributions must also contain a
8    *    copy of this document.
9    *
10   * 2. Redistributions in binary form must reproduce the
11   *    above copyright notice, this list of conditions and the
12   *    following disclaimer in the documentation and/or other
13   *    materials provided with the distribution.
14   *
15   * 3. The name "Exolab" must not be used to endorse or promote
16   *    products derived from this Software without prior written
17   *    permission of Intalio, Inc.  For written permission,
18   *    please contact info@exolab.org.
19   *
20   * 4. Products derived from this Software may not be called "Exolab"
21   *    nor may "Exolab" appear in their names without prior written
22   *    permission of Intalio, Inc. Exolab is a registered
23   *    trademark of Intalio, Inc.
24   *
25   * 5. Due credit should be given to the Exolab Project
26   *    (http://www.exolab.org/).
27   *
28   * THIS SOFTWARE IS PROVIDED BY INTALIO, INC. AND CONTRIBUTORS
29   * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
30   * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
32   * INTALIO, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
33   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
39   * OF THE POSSIBILITY OF SUCH DAMAGE.
40   *
41   * Copyright 2003 (C) Intalio, Inc. All Rights Reserved.
42   *
43   * $Id$
44   *
45   * Date         Author          Changes
46   * 04/21/2003   Keith Visco     Created
47   */
48   
49  package org.exolab.castor.util;
50  
51  
52  /** 
53   * A simple interface for creating class instances
54   * 
55   * @author <a href="mailto:kvisco@intalio.com">Keith Visco</a>
56   * @version $Revision$ $Date: 2003-04-23 00:36:31 -0600 (Wed, 23 Apr 2003) $
57   */
58  public interface ObjectFactory {
59      
60      /**
61       * Creates a default instance of the given class.
62       *
63       * @param type the Class to create an instance of
64       * @return the new instance of the given class
65       */
66      public Object createInstance(Class type)
67          throws IllegalAccessException, InstantiationException;
68      
69      /**
70       * Creates a default instance of the given class.
71       *
72       * @param type the Class to create an instance of
73       * @param args the array of arguments to pass to the Class constructor
74       * @return the new instance of the given class
75       */
76      public Object createInstance(Class type, Object[] args)
77          throws IllegalAccessException, InstantiationException;
78      
79      /**
80       * Creates a default instance of the given class.
81       *
82       * @param type the Class to create an instance of
83       * @param argTypes the Class types for each argument, used
84       * to find the correct constructor
85       * @param args the array of arguments to pass to the Class constructor
86       * @return the new instance of the given class
87       */
88      public Object createInstance(Class type, Class[] argTypes, Object[] args)
89          throws IllegalAccessException, InstantiationException;
90      
91  } //-- ObjectFactory