root/trunk/test/java/org/jcoderz/phoenix/report/samples/SimplePmdFindings.java

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1/*
2 * $Id$
3 *
4 * Copyright 2006, The jCoderZ.org Project. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met:
9 *
10 *    * Redistributions of source code must retain the above copyright
11 *      notice, this list of conditions and the following disclaimer.
12 *    * Redistributions in binary form must reproduce the above
13 *      copyright notice, this list of conditions and the following
14 *      disclaimer in the documentation and/or other materials
15 *      provided with the distribution.
16 *    * Neither the name of the jCoderZ.org Project nor the names of
17 *      its contributors may be used to endorse or promote products
18 *      derived from this software without specific prior written
19 *      permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS" AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
28 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33package org.jcoderz.phoenix.report.samples;
34
35import java.math.BigDecimal;
36import java.util.ArrayList;
37import java.util.Collection;
38
39/**
40 * This class is used to trigger PMD finders.
41 * @author Andreas Mandel
42 */
43public final class SimplePmdFindings
44{
45   /** Used to test the finder. */
46   public static int sNoneFinalStatic;
47
48   /**
49    * Trigger PMD basic/AvoidDecimalLiteralsInBigDecimalConstructor.
50    */
51   public static final BigDecimal TEST = new BigDecimal(1.123);
52
53   private static Object sSingleton = null;
54
55   /**
56    * Trigger PMD design/UncommentedEmptyConstructor
57    */
58   private SimplePmdFindings ()
59   {
60   }
61
62
63   /**
64    * Trigger method for findings.
65    */
66   public void sampleMethod ()
67   {
68      // Trigger PMD basic/ClassCastExceptionWithToArray.
69      final Collection c = new ArrayList();
70      final Integer[] a = (Integer []) c.toArray();
71
72      // Trigger PMD basic/MisplacedNullCheck
73      if (a.toString().equals("hi") && a != null)
74      {
75         a.getClass();
76      }
77
78      // Trigger PMD basic/UnusedNullCheckInEquals
79      if (a != null && c.equals(a))
80      {
81         a.getClass();
82      }
83
84      final BigDecimal bd = new BigDecimal("1");
85
86      // Trigger PMD basic/UselessOperationOnImmutable
87      bd.add(new BigDecimal("10"));
88
89      final String s = "TEST";
90      // Trigger PMD design/PositionLiteralsFirstInComparisons
91      if (s.equals("2"))
92      {
93         s.getClass();
94      }
95   }
96
97   /** Trigger PMD design/UncommentedEmptyMethod. */
98   public void doSomething ()
99   {
100   }
101
102   /** Trigger method for findings. */
103   public void bool ()
104   {
105      boolean b = true;
106
107      // Trigger PMD controversial/BooleanInversion
108      b = !b; // slow
109      b ^= true; // fast
110   }
111
112   /** Trigger method for findings. */
113   public void design ()
114   {
115      // Trigger PMD design/AssignmentToNonFinalStatic
116      sNoneFinalStatic = 1;
117   }
118
119   /**
120    * Trigger method for findings.
121    * @return a singleton object.
122    */
123   public Object getSingleton ()
124   {
125      // Trigger PMD design/NonThreadSafeSingleton
126      if (sSingleton == null)
127      {
128         sSingleton = new Object();
129      }
130      return sSingleton;
131   }
132
133   /**
134    * Trigger PMD basic/UselessOverridingMethod.
135    * @return a String.
136    */
137   public String toString ()
138   {
139      return super.toString();
140   }
141
142   /**
143    * Trigger PMD design.xml/UnnecessaryLocalBeforeReturn.
144    * @return 97
145    */
146   public int foo ()
147   {
148      final int x = 97;
149      return x;
150   }
151}
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