UnmarshallArray


1   /*
2    * Copyright (c) 1998-2002 Caucho Technology -- all rights reserved
3    *
4    * This file is part of Resin(R) Open Source
5    *
6    * Each copy or derived work must preserve the copyright notice and this
7    * notice unmodified.
8    *
9    * Resin Open Source is free software; you can redistribute it and/or modify
10   * it under the terms of the GNU General Public License as published by
11   * the Free Software Foundation; either version 2 of the License, or
12   * (at your option) any later version.
13   *
14   * Resin Open Source is distributed in the hope that it will be useful,
15   * but WITHOUT ANY WARRANTY; without even the implied warranty of
16   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17   * of NON-INFRINGEMENT.  See the GNU General Public License for more
18   * details.
19   *
20   * You should have received a copy of the GNU General Public License
21   * along with Resin Open Source; if not, write to the
22   *
23   *   Free Software Foundation, Inc.
24   *   59 Temple Place, Suite 330
25   *   Boston, MA 02111-1307  USA
26   *
27   * @author Scott Ferguson
28   */
29  
30  package com.caucho.jmx;
31  
32  import java.lang.reflect.Array  ;
33  
34  /**
35   * Unmarshalls an mbean with a getObjectName()
36   */
37  class UnmarshallArray extends Unmarshall {
38    private final Class   _componentType;
39    private final Unmarshall _componentUnmarshall;
40  
41    protected UnmarshallArray(Class   componentType,
42                  Unmarshall componentUnmarshall)
43    {
44      _componentType = componentType;
45      _componentUnmarshall = componentUnmarshall;
46    }
47  
48    /**
49     * Unmarshalls into an open-model.
50     */
51    Object   unmarshall(Object   value)
52    {
53      if (value == null)
54        return value;
55  
56      Object   []array = (Object   []) value;
57  
58      Object   []newArray =
59        (Object   []) Array.newInstance(_componentType, array.length);
60  
61      for (int i = 0; i < array.length; i++) {
62        newArray[i] = _componentUnmarshall.unmarshall(array[i]);
63      }
64  
65      return newArray;
66    }
67  }
68
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