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1
11
12 package org.eclipse.ui.internal.commands;
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 import java.util.Set ;
20
21 import org.eclipse.ui.internal.util.Util;
22
23 public final class CategoryDefinition implements Comparable {
24
25 private final static int HASH_FACTOR = 89;
26 private final static int HASH_INITIAL =
27 CategoryDefinition.class.getName().hashCode();
28
29 public static Map categoryDefinitionsById(
30 Collection categoryDefinitions,
31 boolean allowNullIds) {
32 if (categoryDefinitions == null)
33 throw new NullPointerException ();
34
35 Map map = new HashMap ();
36 Iterator iterator = categoryDefinitions.iterator();
37
38 while (iterator.hasNext()) {
39 Object object = iterator.next();
40 Util.assertInstance(object, CategoryDefinition.class);
41 CategoryDefinition categoryDefinition =
42 (CategoryDefinition) object;
43 String id = categoryDefinition.getId();
44
45 if (allowNullIds || id != null)
46 map.put(id, categoryDefinition);
47 }
48
49 return map;
50 }
51
52 public static Map categoryDefinitionsByName(
53 Collection categoryDefinitions,
54 boolean allowNullNames) {
55 if (categoryDefinitions == null)
56 throw new NullPointerException ();
57
58 Map map = new HashMap ();
59 Iterator iterator = categoryDefinitions.iterator();
60
61 while (iterator.hasNext()) {
62 Object object = iterator.next();
63 Util.assertInstance(object, CategoryDefinition.class);
64 CategoryDefinition categoryDefinition =
65 (CategoryDefinition) object;
66 String name = categoryDefinition.getName();
67
68 if (allowNullNames || name != null) {
69 Set categoryDefinitions2 = (Set ) map.get(name);
70
71 if (categoryDefinitions2 == null) {
72 categoryDefinitions2 = new HashSet ();
73 map.put(name, categoryDefinitions2);
74 }
75
76 categoryDefinitions2.add(categoryDefinition);
77 }
78 }
79
80 return map;
81 }
82
83 private String description;
84
85 private transient int hashCode;
86 private transient boolean hashCodeComputed;
87 private String id;
88 private String name;
89 private String sourceId;
90 private transient String string;
91
92 public CategoryDefinition(
93 String description,
94 String id,
95 String name,
96 String sourceId) {
97 this.description = description;
98 this.id = id;
99 this.name = name;
100 this.sourceId = sourceId;
101 }
102
103 public int compareTo(Object object) {
104 CategoryDefinition castedObject = (CategoryDefinition) object;
105 int compareTo = Util.compare(description, castedObject.description);
106
107 if (compareTo == 0) {
108 compareTo = Util.compare(id, castedObject.id);
109
110 if (compareTo == 0) {
111 compareTo = Util.compare(name, castedObject.name);
112
113 if (compareTo == 0)
114 compareTo = Util.compare(sourceId, castedObject.sourceId);
115 }
116 }
117
118 return compareTo;
119 }
120
121 public boolean equals(Object object) {
122 if (!(object instanceof CategoryDefinition))
123 return false;
124
125 CategoryDefinition castedObject = (CategoryDefinition) object;
126 boolean equals = true;
127 equals &= Util.equals(description, castedObject.description);
128 equals &= Util.equals(id, castedObject.id);
129 equals &= Util.equals(name, castedObject.name);
130 equals &= Util.equals(sourceId, castedObject.sourceId);
131 return equals;
132 }
133
134 public String getDescription() {
135 return description;
136 }
137
138 public String getId() {
139 return id;
140 }
141
142 public String getName() {
143 return name;
144 }
145
146 public String getSourceId() {
147 return sourceId;
148 }
149
150 public int hashCode() {
151 if (!hashCodeComputed) {
152 hashCode = HASH_INITIAL;
153 hashCode = hashCode * HASH_FACTOR + Util.hashCode(description);
154 hashCode = hashCode * HASH_FACTOR + Util.hashCode(id);
155 hashCode = hashCode * HASH_FACTOR + Util.hashCode(name);
156 hashCode = hashCode * HASH_FACTOR + Util.hashCode(sourceId);
157 hashCodeComputed = true;
158 }
159
160 return hashCode;
161 }
162
163 public String toString() {
164 if (string == null) {
165 final StringBuffer stringBuffer = new StringBuffer ();
166 stringBuffer.append('[');
167 stringBuffer.append(description);
168 stringBuffer.append(',');
169 stringBuffer.append(id);
170 stringBuffer.append(',');
171 stringBuffer.append(name);
172 stringBuffer.append(',');
173 stringBuffer.append(sourceId);
174 stringBuffer.append(']');
175 string = stringBuffer.toString();
176 }
177
178 return string;
179 }
180 }
181 |
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