1 /*
2 * Scope: a generic MVC framework.
3 * Copyright (c) 2000-2002, The Scope team
4 * All rights reserved.
5 *
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * Neither the name "Scope" nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
27 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
28 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
29 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
30 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
31 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
32 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 *
36 * $Id: BasicPoolableObjectFactory.java,v 1.5 2002/09/05 15:41:46 ludovicc Exp $
37 */
38 package org.scopemvc.util;
39
40
41 import org.apache.commons.logging.Log;
42 import org.apache.commons.logging.LogFactory;
43
44 /***
45 * Creates pooleable instances of a specific class. The class to use MUST have a
46 * default constructor.
47 *
48 * @author <A HREF="mailto:haruki_zaemon@users.sourceforge.net">Simon Harris</A>
49 * @created 05 September 2002
50 * @version $Revision: 1.5 $
51 */
52 public class BasicPoolableObjectFactory implements PoolableObjectFactory {
53
54 private final static Log LOG = LogFactory.getLog(BasicPoolableObjectFactory.class);
55
56 /***
57 * The class to use
58 */
59 protected final Class clazz;
60
61 /***
62 * Construct a basic fool factory for the specified class.
63 *
64 * @param inClazz TODO: Describe the Parameter
65 */
66 public BasicPoolableObjectFactory(Class inClazz) {
67 clazz = inClazz;
68 }
69
70 /***
71 * Peforms whatever processing is required prior to activating a pooled
72 * object.
73 *
74 * @param object TODO: Describe the Parameter
75 */
76 public void activateObject(Object object) {
77 // Do nothing
78 }
79
80 /***
81 * Peforms whatever processing is required prior to passivating a pooled
82 * object.
83 *
84 * @param object TODO: Describe the Parameter
85 */
86 public void passivateObject(Object object) {
87 // Do nothing
88 }
89
90 /***
91 * Creates and returns a poolable object.
92 *
93 * @return TODO: Describe the Return Value
94 */
95 public Object createObject() {
96 try {
97 return clazz.newInstance();
98 } catch (Exception e) {
99 LOG.error("Can't create a: " + clazz);
100 return null;
101 }
102 }
103
104 /***
105 * Peforms whatever processing is required prior to destruction of a pooled
106 * object.
107 *
108 * @param object TODO: Describe the Parameter
109 */
110 public void destroyObject(Object object) {
111 // Do nothing
112 }
113 }
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