1 /**
2 * Portions of this software was developed by employees of the National Institute
3 * of Standards and Technology (NIST), an agency of the Federal Government and is
4 * being made available as a public service. Pursuant to title 17 United States
5 * Code Section 105, works of NIST employees are not subject to copyright
6 * protection in the United States. This software may be subject to foreign
7 * copyright. Permission in the United States and in foreign countries, to the
8 * extent that NIST may hold copyright, to use, copy, modify, create derivative
9 * works, and distribute this software and its documentation without fee is hereby
10 * granted on a non-exclusive basis, provided that this notice and disclaimer
11 * of warranty appears in all copies.
12 *
13 * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
14 * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
15 * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
17 * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
18 * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE. IN NO EVENT
19 * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
20 * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
21 * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
22 * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
23 * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
24 * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
25 */
26
27 package gov.nist.secauto.decima.xml.testing;
28
29 import org.junit.runner.Describable;
30 import org.junit.runner.Description;
31
32 import java.io.Serializable;
33
34 public abstract class DescriptionAdapter<T> implements Describable {
35 private static int uniqueId = 0;
36
37 protected synchronized String getNextUniqueId() {
38 StringBuilder builder = new StringBuilder();
39 builder.append(getClass().getCanonicalName());
40 builder.append("-");
41 builder.append(uniqueId++);
42 return builder.toString();
43 }
44
45 private final T delegate;
46 private Description description;
47
48 public DescriptionAdapter(T delegate) {
49 this.delegate = delegate;
50 }
51
52 public T getDelegate() {
53 return delegate;
54 }
55
56 /**
57 * Provides a JUnit {@link Description} instance based on information from the delegate class
58 * instance.
59 *
60 * {@inheritDoc}
61 */
62 @Override
63 public Description getDescription() {
64 if (description == null) {
65 description = createDescription();
66 }
67 return description;
68 }
69
70 protected abstract String getName();
71
72 protected Description createDescription() {
73 String name = getName();
74 return Description.createTestDescription(getDelegate().getClass().getCanonicalName(), name,
75 (Serializable) getNextUniqueId());
76 }
77 }