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Java > Open Source Codes > org > objectstyle > cayenne > validation > SimpleValidationFailure


1 /* ====================================================================
2  *
3  * The ObjectStyle Group Software License, version 1.1
4  * ObjectStyle Group - http://objectstyle.org/
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6  * Copyright (c) 2002-2005, Andrei (Andrus) Adamchik and individual authors
7  * of the software. All rights reserved.
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10  * modification, are permitted provided that the following conditions
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13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
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21  * 3. The end-user documentation included with the redistribution, if any,
22  * must include the following acknowlegement:
23  * "This product includes software developed by independent contributors
24  * and hosted on ObjectStyle Group web site (http://objectstyle.org/)."
25  * Alternately, this acknowlegement may appear in the software itself,
26  * if and wherever such third-party acknowlegements normally appear.
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28  * 4. The names "ObjectStyle Group" and "Cayenne" must not be used to endorse
29  * or promote products derived from this software without prior written
30  * permission. For written permission, email
31  * "andrus at objectstyle dot org".
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34  * or "Cayenne", nor may "ObjectStyle" or "Cayenne" appear in their
35  * names without prior written permission.
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37  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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51  * This software consists of voluntary contributions made by many
52  * individuals and hosted on ObjectStyle Group web site. For more
53  * information on the ObjectStyle Group, please see
54  * <http://objectstyle.org/>.
55  */

56
57 package org.objectstyle.cayenne.validation;
58
59 /**
60  * Represents a generic validation failure that contains
61  * failed object and a message describing the failure.
62  *
63  * @since 1.1
64  * @author Andrei Adamchik
65  */

66 public class SimpleValidationFailure implements ValidationFailure {
67     protected Object JavaDoc source;
68     protected Object JavaDoc error;
69
70     public SimpleValidationFailure(Object JavaDoc source, Object JavaDoc error) {
71         this.source = source;
72         this.error = error;
73     }
74
75     /**
76      * Returns the error converted to String.
77      */

78     public String JavaDoc getDescription() {
79         return String.valueOf(error);
80     }
81
82     /**
83      * Returns object that failed the validation.
84      */

85     public Object JavaDoc getSource() {
86         return source;
87     }
88
89     public Object JavaDoc getError() {
90         return error;
91     }
92
93     /**
94      * Returns a String representation of the failure.
95      */

96     public String JavaDoc toString() {
97         StringBuffer JavaDoc buffer = new StringBuffer JavaDoc();
98
99         buffer.append("Validation failure for ");
100         Object JavaDoc source = getSource();
101
102         if (source == null) {
103             buffer.append("[General]");
104         }
105         else {
106             String JavaDoc sourceLabel = (source instanceof String JavaDoc) ? source.toString() : source
107                     .getClass()
108                     .getName();
109             buffer.append(sourceLabel);
110         }
111         buffer.append(": ");
112         buffer.append(getDescription());
113         return buffer.toString();
114     }
115 }
116
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