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
|
/*
* Copyright 2000-2013 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.ide.util;
import com.intellij.openapi.components.PersistentStateComponent;
import com.intellij.openapi.util.text.StringUtil;
import org.jdom.Element;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import java.util.LinkedHashMap;
import java.util.Map;
public class PropertiesComponentImpl extends PropertiesComponent implements PersistentStateComponent<Element> {
private final Map<String, String> myMap = new LinkedHashMap<String, String>();
@NonNls private static final String ELEMENT_PROPERTY = "property";
@NonNls private static final String ATTRIBUTE_NAME = "name";
@NonNls private static final String ATTRIBUTE_VALUE = "value";
@NotNull
public String getComponentName() {
return "PropertiesComponent";
}
PropertiesComponentImpl() {
}
@Override
public Element getState() {
Element parentNode = new Element("state");
for (final String key : myMap.keySet()) {
String value = myMap.get(key);
if (value != null) {
Element element = new Element(ELEMENT_PROPERTY);
element.setAttribute(ATTRIBUTE_NAME, key);
element.setAttribute(ATTRIBUTE_VALUE, value);
parentNode.addContent(element);
}
}
return parentNode;
}
@Override
public void loadState(final Element parentNode) {
myMap.clear();
for (Element e : parentNode.getChildren(ELEMENT_PROPERTY)) {
String name = e.getAttributeValue(ATTRIBUTE_NAME);
if (name != null) {
myMap.put(name, e.getAttributeValue(ATTRIBUTE_VALUE));
}
}
}
@Override
public String getValue(String name) {
return myMap.get(name);
}
@Override
public void setValue(String name, String value) {
myMap.put(name, value);
}
@Override
public void setValue(@NotNull String name, @NotNull String value, @NotNull String defaultValue) {
if (value.equals(defaultValue)) {
myMap.remove(name);
}
else {
myMap.put(name, value);
}
}
@Override
public void unsetValue(String name) {
myMap.remove(name);
}
@Override
public boolean isValueSet(String name) {
return myMap.containsKey(name);
}
@Override
public String[] getValues(@NonNls String name) {
final String value = getValue(name);
return value != null ? value.split("\n") : null;
}
@Override
public void setValues(@NonNls String name, String[] values) {
if (values == null) {
setValue(name, null);
}
else {
setValue(name, StringUtil.join(values, "\n"));
}
}
}
|
