1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.openapi.util.registry;
import com.intellij.openapi.Disposable;
import com.intellij.openapi.util.Disposer;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import java.awt.*;
import java.util.List;
import java.util.MissingResourceException;
/**
* @author Kirill Kalishev
* @author Konstantin Bulenkov
*/
public class RegistryValue {
private final Registry myRegistry;
private final String myKey;
private final List<RegistryValueListener> myListeners = ContainerUtil.createLockFreeCopyOnWriteList();
private boolean myChangedSinceStart;
private String myStringCachedValue;
private Integer myIntCachedValue;
private Double myDoubleCachedValue;
private Boolean myBooleanCachedValue;
RegistryValue(@NotNull Registry registry, @NotNull String key) {
myRegistry = registry;
myKey = key;
}
@NotNull
public String getKey() {
return myKey;
}
@NotNull
public String asString() {
final String value = get(myKey, null, true);
assert value != null : myKey;
return value;
}
public boolean asBoolean() {
if (myBooleanCachedValue == null) {
myBooleanCachedValue = Boolean.valueOf(get(myKey, "false", true));
}
return myBooleanCachedValue.booleanValue();
}
public int asInteger() {
if (myIntCachedValue == null) {
myIntCachedValue = Integer.valueOf(get(myKey, "0", true));
}
return myIntCachedValue.intValue();
}
public double asDouble() {
if (myDoubleCachedValue == null) {
myDoubleCachedValue = Double.valueOf(get(myKey, "0.0", true));
}
return myDoubleCachedValue.doubleValue();
}
public Color asColor(Color defaultValue) {
final String s = get(myKey, null, true);
if (s != null) {
final String[] rgb = s.split(",");
if (rgb.length == 3) {
try {
return new Color(Integer.parseInt(rgb[0]), Integer.parseInt(rgb[1]), Integer.parseInt(rgb[2]));
}
catch (Exception e) {//
}
}
}
return defaultValue;
}
@NotNull
public String getDescription() {
return get(myKey + ".description", "", false);
}
public boolean isRestartRequired() {
return Boolean.valueOf(get(myKey + ".restartRequired", "false", false));
}
public boolean isChangedFromDefault() {
return !asString().equals(getBundleValue(myKey, false));
}
private String get(@NotNull String key, String defaultValue, boolean isValue) throws MissingResourceException {
if (isValue) {
if (myStringCachedValue == null) {
myStringCachedValue = _get(key, defaultValue, isValue);
if (isBoolean()) {
myStringCachedValue = Boolean.valueOf(myStringCachedValue).toString();
}
}
return myStringCachedValue;
}
return _get(key, defaultValue, isValue);
}
private String _get(@NotNull String key, String defaultValue, boolean mustExistInBundle) throws MissingResourceException {
final String userValue = myRegistry.getUserProperties().get(key);
if (userValue != null) {
return userValue;
}
String systemProperty = System.getProperty(key);
if (systemProperty != null) {
return systemProperty;
}
final String bundleValue = getBundleValue(key, mustExistInBundle);
if (bundleValue != null) {
return bundleValue;
}
return defaultValue;
}
private static String getBundleValue(@NotNull String key, boolean mustExist) throws MissingResourceException {
try {
return Registry.getBundle().getString(key);
}
catch (MissingResourceException e) {
if (mustExist) {
throw e;
}
}
return null;
}
public void setValue(boolean value) {
setValue(Boolean.valueOf(value).toString());
}
public void setValue(int value) {
setValue(Integer.valueOf(value).toString());
}
public void setValue(String value) {
resetCache();
for (RegistryValueListener each : myListeners) {
each.beforeValueChanged(this);
}
myRegistry.getUserProperties().put(myKey, value);
for (RegistryValueListener each : myListeners) {
each.afterValueChanged(this);
}
if (!isChangedFromDefault()) {
myRegistry.getUserProperties().remove(myKey);
}
myChangedSinceStart = true;
}
public boolean isChangedSinceAppStart() {
return myChangedSinceStart;
}
public void resetToDefault() {
setValue(getBundleValue(myKey, true));
}
public void addListener(@NotNull final RegistryValueListener listener, @NotNull Disposable parent) {
myListeners.add(listener);
Disposer.register(parent, new Disposable() {
@Override
public void dispose() {
myListeners.remove(listener);
}
});
}
@Override
public String toString() {
return myKey + "=" + asString();
}
void resetCache() {
myStringCachedValue = null;
myIntCachedValue = null;
myBooleanCachedValue = null;
}
public boolean isBoolean() {
return "true".equals(myStringCachedValue) || "false".equals(myStringCachedValue);
}
}
|
