View Javadoc

1   /*
2     Copyright (c) 2003, Vilmantas Baranauskas
3     All rights reserved.
4   
5     Redistribution and use in source and binary forms, with or without
6     modification, are permitted provided that the following conditions are met:
7       * Redistributions of source code must retain the above copyright notice,
8         this list of conditions and the following disclaimer.
9       * Redistributions in binary form must reproduce the above copyright notice,
10        this list of conditions and the following disclaimer in the documentation
11        and/or other materials provided with the distribution.
12      * The names of its contributors may not be used to endorse or promote
13        products derived from this software without specific prior written
14        permission.
15  
16    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26    POSSIBILITY OF SUCH DAMAGE.
27  */
28  package org.sovt.impl;
29  
30  import org.apache.commons.beanutils.ConvertUtils;
31  import org.apache.commons.logging.Log;
32  import org.apache.commons.logging.LogFactory;
33  import org.sovt.Inspector;
34  import org.sovt.ValidationResult;
35  
36  /***
37   * This inspector may be used to parse objects from one class to different
38   * class. The implementation is based on Beanutils convertion framework.
39   *
40   * @author Vilmantas Baranauskas (vilmantas_baranauskas@yahoo.com)
41   */
42  public class ParserInspector implements Inspector, Cloneable {
43     private static Log log = LogFactory.getLog(ParserInspector.class);
44  
45     //-- constants -------------------------------------------------------------
46     //-- variables -------------------------------------------------------------
47     private Class destinationClass;
48  
49     //-- constructors ----------------------------------------------------------
50     /***
51      * Creates instance of ParserInspector.
52      */
53     public ParserInspector() {
54     }
55  
56     //-- methods ---------------------------------------------------------------
57  
58     /***
59      * Plain super.clone().
60      *
61      * @return clone of itself.
62      * @throws CloneNotSupportedException never.
63      */
64     public Object clone() throws CloneNotSupportedException {
65        return super.clone();
66     }
67  
68     public Object inspect(Object object, ValidationResult result) {
69        if (object == null) {
70           return null;
71        }
72        return ConvertUtils.convert(object.toString(), destinationClass);
73     }
74  
75     public String getDestinationClass() {
76        return destinationClass.getName();
77     }
78  
79     /***
80      * Set desired class of parse outcome.
81      *
82      * @param destinationClassName name of desired class of parse outcome.
83      */
84     public void setDestinationClass(String destinationClassName) {
85        try {
86           destinationClass = Class.forName(destinationClassName);
87        } catch (ClassNotFoundException e) {
88           log.error("Parse destination class [" + destinationClassName + "] not found!");
89        }
90     }
91  }