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1
11
12 package org.eclipse.ui.internal.activities;
13
14 import java.util.Collection  ;
15 import java.util.HashMap ;
16 import java.util.HashSet ;
17 import java.util.Iterator ;
18 import java.util.Map ;
19
20 import org.eclipse.ui.internal.util.Util;
21
22 public final class CategoryDefinition implements Comparable {
23 private final static int HASH_FACTOR = 89;
24
25 private final static int HASH_INITIAL = CategoryDefinition.class.getName()
26 .hashCode();
27
28 static Map categoryDefinitionsById(Collection categoryDefinitions,
29 boolean allowNullIds) {
30 if (categoryDefinitions == null) {
31 throw new NullPointerException ();
32 }
33
34 Map map = new HashMap ();
35 Iterator iterator = categoryDefinitions.iterator();
36
37 while (iterator.hasNext()) {
38 Object object = iterator.next();
39 Util.assertInstance(object, CategoryDefinition.class);
40 CategoryDefinition categoryDefinition = (CategoryDefinition) object;
41 String id = categoryDefinition.getId();
42
43 if (allowNullIds || id != null) {
44 map.put(id, categoryDefinition);
45 }
46 }
47
48 return map;
49 }
50
51 static Map categoryDefinitionsByName(Collection categoryDefinitions,
52 boolean allowNullNames) {
53 if (categoryDefinitions == null) {
54 throw new NullPointerException ();
55 }
56
57 Map map = new HashMap ();
58 Iterator iterator = categoryDefinitions.iterator();
59
60 while (iterator.hasNext()) {
61 Object object = iterator.next();
62 Util.assertInstance(object, CategoryDefinition.class);
63 CategoryDefinition categoryDefinition = (CategoryDefinition) object;
64 String name = categoryDefinition.getName();
65
66 if (allowNullNames || name != null) {
67 Collection categoryDefinitions2 = (Collection ) map.get(name);
68
69 if (categoryDefinitions2 == null) {
70 categoryDefinitions2 = new HashSet ();
71 map.put(name, categoryDefinitions2);
72 }
73
74 categoryDefinitions2.add(categoryDefinition);
75 }
76 }
77
78 return map;
79 }
80
81 private transient int hashCode = HASH_INITIAL;
82
83 private String id;
84
85 private String name;
86
87 private String sourceId;
88
89 private transient String string;
90
91 private String description;
92
93 public CategoryDefinition(String id, String name, String sourceId,
94 String description) {
95 this.id = id;
96 this.name = name;
97 this.sourceId = sourceId;
98 this.description = description;
99 }
100
101 public int compareTo(Object object) {
102 CategoryDefinition castedObject = (CategoryDefinition) object;
103 int compareTo = Util.compare(id, castedObject.id);
104
105 if (compareTo == 0) {
106 compareTo = Util.compare(name, castedObject.name);
107
108 if (compareTo == 0) {
109 compareTo = Util.compare(sourceId, castedObject.sourceId);
110 }
111 }
112
113 return compareTo;
114 }
115
116 public boolean equals(Object object) {
117 if (!(object instanceof CategoryDefinition)) {
118 return false;
119 }
120
121 final CategoryDefinition castedObject = (CategoryDefinition) object;
122 if (!Util.equals(id, castedObject.id)) {
123 return false;
124 }
125
126 if (!Util.equals(name, castedObject.name)) {
127 return false;
128 }
129
130 return Util.equals(sourceId, castedObject.sourceId);
131 }
132
133 public String getId() {
134 return id;
135 }
136
137 public String getName() {
138 return name;
139 }
140
141 public String getSourceId() {
142 return sourceId;
143 }
144
145 public int hashCode() {
146 if (hashCode == HASH_INITIAL) {
147 hashCode = hashCode * HASH_FACTOR + Util.hashCode(id);
148 hashCode = hashCode * HASH_FACTOR + Util.hashCode(name);
149 hashCode = hashCode * HASH_FACTOR + Util.hashCode(sourceId);
150 if (hashCode == HASH_INITIAL) {
151 hashCode++;
152 }
153 }
154
155 return hashCode;
156 }
157
158 public String toString() {
159 if (string == null) {
160 final StringBuffer stringBuffer = new StringBuffer ();
161 stringBuffer.append('[');
162 stringBuffer.append(id);
163 stringBuffer.append(',');
164 stringBuffer.append(name);
165 stringBuffer.append(',');
166 stringBuffer.append(sourceId);
167 stringBuffer.append(']');
168 string = stringBuffer.toString();
169 }
170
171 return string;
172 }
173
174 public String getDescription() {
175 return description;
176 }
177 }
178 |
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