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Java > Open Source Codes > com > puppycrawl > tools > checkstyle > checks > usage > transmogrify > NullClass


1
2 // Transmogrify License
3 //
4 // Copyright (c) 2001, ThoughtWorks, Inc.
5 // All rights reserved.
6 // Redistribution and use in source and binary forms, with or without
7 // modification, are permitted provided that the following conditions
8 // are met:
9 // - Redistributions of source code must retain the above copyright notice,
10 // this list of conditions and the following disclaimer.
11 // - Redistributions in binary form must reproduce the above copyright
12 // notice, this list of conditions and the following disclaimer in the
13 // documentation and/or other materials provided with the distribution.
14 // Neither the name of the ThoughtWorks, Inc. nor the names of its
15 // contributors may be used to endorse or promote products derived from this
16 // software without specific prior written permission.
17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 // TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
21 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
24 // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26 // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
27 // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29 package com.puppycrawl.tools.checkstyle.checks.usage.transmogrify;
30
31 import java.util.ArrayList JavaDoc;
32 import java.util.Iterator JavaDoc;
33 import java.util.List JavaDoc;
34
35 public class NullClass implements IClass {
36
37   public Iterator JavaDoc getReferences() {
38     return new ArrayList JavaDoc().iterator();
39   }
40
41   public int getNumReferences() {
42     return 0;
43   }
44
45   public void addReference(Reference ref) {}
46
47   public String JavaDoc getName() {
48     return "null";
49   }
50
51   public String JavaDoc getQualifiedName() {
52     return getName();
53   }
54
55   public boolean isSourced() {
56     return false;
57   }
58
59   public IClass getSuperclass() {
60     return null;
61   }
62
63   public IClass[] getInterfaces() {
64     return new IClass[0];
65   }
66
67   public IClass[] getInnerClasses() {
68     return new IClass[0];
69   }
70
71   public List JavaDoc getSubclasses() {
72     return new ArrayList JavaDoc();
73   }
74
75   public IClass getClassDefinition(String JavaDoc name) {
76     return null;
77   }
78
79   public IMethod getMethodDefinition(String JavaDoc name,
80                                      ISignature signature) {
81     return null;
82   }
83
84   public IVariable getVariableDefinition(String JavaDoc name) {
85     return null;
86   }
87
88   public void addSubclass(ClassDef subclass) {}
89   public void addImplementor(ClassDef implementor) {}
90
91   public List JavaDoc getImplementors() {
92     return new ArrayList JavaDoc();
93   }
94
95   public boolean isCompatibleWith(IClass type) {
96     return true;
97   }
98
99   public boolean isPrimitive() {
100     return false;
101   }
102
103 }
104
105
106
107
108
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