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1   /*
2    * Zemucan: A Syntax Assistant for DB2
3    * Copyright (C) 2009, 2010 Andres Gomez Casanova
4    *
5    * This file is part of Zemucan.
6    *
7    * Zemucan is free software: you can redistribute it and/or modify
8    * it under the terms of the GNU Lesser General Public License as published by
9    * the Free Software Foundation; either version 3 of the License, or
10   * (at your option) any later version.
11   *
12   * Zemucan is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   * GNU Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public License
18   * along with this library; if not, see <http://www.gnu.org/licenses/>.
19   *
20   * Contact:
21   * a n g o c a  at  y a h o o  dot  c o m
22   * Cra. 45 No 61 - 31, Bogota, Colombia.
23   *
24   * Author:   $LastChangedBy: angoca $:
25   * Date:     $LastChangedDate: 2011-03-06 10:15:32 -0500 (dom, 06 mar 2011) $:
26   * Revision: $LastChangedRevision: 1913 $:
27   * URL:      $HeadURL: https://zemucan.svn.sourceforge.net/svnroot/zemucan/branches/zemucan_v1/source-code/tools/src/main/java/name/angoca/zemucan/ParameterNullException.java $:
28   */
29  
30  package name.angoca.zemucan;
31  
32  import name.angoca.zemucan.tools.messages.Messages;
33  
34  import org.slf4j.Logger;
35  import org.slf4j.LoggerFactory;
36  
37  /**
38   * Exception that indicates that a parameter was null.
39   * <p>
40   * <b>Control Version</b>
41   * <p>
42   * <ul>
43   * <li>1.0.0 Class creation.</li>
44   * <li>1.0.1 Error code.</li>
45   * <li>1.0.2 Logger and final.</li>
46   * <li>1.1.0 Parent exception.</li>
47   * <li>1.1.1 New id.</li>
48   * <li>1.2.0 getParameterName.</li>
49   * </ul>
50   *
51   * @author Andres Gomez Casanova <a
52   *         href="mailto:a n g o c a at y a h o o dot c o m">(AngocA)</a>
53   * @version 1.2.0 2009-11-07
54   */
55  
56  public final class ParameterNullException extends AbstractZemucanException {
57  
58      /**
59       * Logger.
60       */
61      private static final Logger LOGGER = LoggerFactory
62              .getLogger(ParameterNullException.class);
63  
64      /**
65       * ID of the exception.
66       */
67      private static final long serialVersionUID = 6552466788027941468L;
68  
69      /**
70       * Name of the parameter that was null.
71       */
72      private final String parameterName;
73  
74      /**
75       * Creates the exception with the name of a parameter.
76       *
77       * @param parameterNameExcep
78       *            Parameter that was null.
79       */
80      public ParameterNullException(final String/* ! */parameterNameExcep) {
81          super();
82          assert parameterNameExcep != null;
83  
84          this.parameterName = parameterNameExcep;
85          ParameterNullException.LOGGER.trace(ParameterNullException.class
86                  .getName()
87                  + " created."); //$NON-NLS-1$
88      }
89  
90      /*
91       * (non-Javadoc)
92       * @see java.lang.Throwable#getMessage()
93       */
94      @Override
95      public String/* ! */getMessage() {
96          return Messages.getString("ParameterNullException.CORE1-NullParameter") //$NON-NLS-1$
97                  + this.parameterName;
98      }
99  
100     /**
101      * Retrieves the name of the parameter, from which this exception was
102      * raised.
103      *
104      * @return The parameter name that has a null value.
105      */
106     public/* ! */String getParameterName() {
107         return this.parameterName;
108     }
109 }