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11
12 package org.eclipse.ui.internal.activities;
13
14 import org.eclipse.ui.IMemento;
15
16 final class Persistence {
17 final static String  PACKAGE_BASE = "activities";
19 final static String PACKAGE_FULL = "org.eclipse.ui.activities";
21 final static String PACKAGE_PREFIX = "org.eclipse.ui";
23 final static String TAG_ACTIVITY = "activity";
25 final static String TAG_ACTIVITY_REQUIREMENT_BINDING = "activityRequirementBinding";
27 final static String TAG_DEFAULT_ENABLEMENT = "defaultEnablement";
29 final static String TAG_ACTIVITY_ID = "activityId";
31 final static String TAG_ACTIVITY_PATTERN_BINDING = "activityPatternBinding";
33 final static String TAG_CATEGORY = "category";
35 final static String TAG_CATEGORY_ACTIVITY_BINDING = "categoryActivityBinding";
37 final static String TAG_CATEGORY_ID = "categoryId";
39 final static String TAG_REQUIRED_ACTIVITY_ID = "requiredActivityId";
41 final static String TAG_ID = "id";
43 final static String TAG_NAME = "name";
45 final static String TAG_PATTERN = "pattern";
47 final static String TAG_SOURCE_ID = "sourceId";
49 final static String TAG_DESCRIPTION = "description";
51 static ActivityRequirementBindingDefinition readActivityRequirementBindingDefinition(
52 IMemento memento, String sourceIdOverride) {
53 if (memento == null) {
54 throw new NullPointerException ();
55 }
56
57 String childActivityId = memento.getString(TAG_REQUIRED_ACTIVITY_ID);
58 String parentActivityId = memento.getString(TAG_ACTIVITY_ID);
59 if (childActivityId == null || parentActivityId == null) {
60 return null;
61 }
62 String sourceId = sourceIdOverride != null ? sourceIdOverride : memento
63 .getString(TAG_SOURCE_ID);
64 return new ActivityRequirementBindingDefinition(childActivityId,
65 parentActivityId, sourceId);
66 }
67
68 static String readDefaultEnablement(IMemento memento) {
69 if (memento == null) {
70 throw new NullPointerException ();
71 }
72
73 return memento.getString(TAG_ID);
74 }
75
76 static ActivityDefinition readActivityDefinition(IMemento memento,
77 String sourceIdOverride) {
78 if (memento == null) {
79 throw new NullPointerException ();
80 }
81
82 String id = memento.getString(TAG_ID);
83 if (id == null) {
84 return null;
85 }
86 String name = memento.getString(TAG_NAME);
87 if (name == null) {
88 return null;
89 }
90 String description = memento.getString(TAG_DESCRIPTION);
91 if (description == null) {
92 description = ""; }
94 String sourceId = sourceIdOverride != null ? sourceIdOverride : memento
95 .getString(TAG_SOURCE_ID);
96 return new ActivityDefinition(id, name, sourceId, description);
97 }
98
99 static ActivityPatternBindingDefinition readActivityPatternBindingDefinition(
100 IMemento memento, String sourceIdOverride) {
101 if (memento == null) {
102 throw new NullPointerException ();
103 }
104
105 String activityId = memento.getString(TAG_ACTIVITY_ID);
106 if (activityId == null) {
107 return null;
108 }
109 String pattern = memento.getString(TAG_PATTERN);
110 if (pattern == null) {
111 return null;
112 }
113 String sourceId = sourceIdOverride != null ? sourceIdOverride : memento
114 .getString(TAG_SOURCE_ID);
115 return new ActivityPatternBindingDefinition(activityId, pattern,
116 sourceId);
117 }
118
119 static CategoryActivityBindingDefinition readCategoryActivityBindingDefinition(
120 IMemento memento, String sourceIdOverride) {
121 if (memento == null) {
122 throw new NullPointerException ();
123 }
124
125 String activityId = memento.getString(TAG_ACTIVITY_ID);
126 if (activityId == null) {
127 return null;
128 }
129 String categoryId = memento.getString(TAG_CATEGORY_ID);
130 if (categoryId == null) {
131 return null;
132 }
133 String sourceId = sourceIdOverride != null ? sourceIdOverride : memento
134 .getString(TAG_SOURCE_ID);
135 return new CategoryActivityBindingDefinition(activityId, categoryId,
136 sourceId);
137 }
138
139 static CategoryDefinition readCategoryDefinition(IMemento memento,
140 String sourceIdOverride) {
141 if (memento == null) {
142 throw new NullPointerException ();
143 }
144
145 String id = memento.getString(TAG_ID);
146 if (id == null) {
147 return null;
148 }
149 String name = memento.getString(TAG_NAME);
150 if (name == null) {
151 return null;
152 }
153 String description = memento.getString(TAG_DESCRIPTION);
154 if (description == null) {
155 description = ""; }
157 String sourceId = sourceIdOverride != null ? sourceIdOverride : memento
158 .getString(TAG_SOURCE_ID);
159 return new CategoryDefinition(id, name, sourceId, description);
160 }
161
162 private Persistence() {
163 }
165 }
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