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/*
* 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.openapi.util.registry;
import com.intellij.util.containers.HashMap;
import org.jdom.Element;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.PropertyKey;
import java.awt.*;
import java.lang.ref.Reference;
import java.lang.ref.SoftReference;
import java.util.*;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
public class Registry {
private static Reference<ResourceBundle> ourBundle;
@NonNls
private static final String REGISTRY_BUNDLE = "misc.registry";
private final LinkedHashMap<String, String> myUserProperties = new LinkedHashMap<String, String>();
private final Map<String, String> myLoadedUserProperties = new HashMap<String, String>();
private final Map<String, RegistryValue> myValues = new ConcurrentHashMap<String, RegistryValue>();
private static final Registry ourInstance = new Registry();
public static RegistryValue get(@PropertyKey(resourceBundle = REGISTRY_BUNDLE) String key) {
final Registry registry = getInstance();
if (registry.myValues.containsKey(key)) {
return registry.myValues.get(key);
}
else {
final RegistryValue value = new RegistryValue(registry, key);
registry.myValues.put(key, value);
return value;
}
}
public static boolean is(@PropertyKey(resourceBundle = REGISTRY_BUNDLE) String key) {
return get(key).asBoolean();
}
public static boolean is(@PropertyKey(resourceBundle = REGISTRY_BUNDLE) String key, boolean defaultValue) {
try {
return get(key).asBoolean();
}
catch (MissingResourceException ex) {
return defaultValue;
}
}
public static int intValue(@PropertyKey(resourceBundle = REGISTRY_BUNDLE) String key) {
return get(key).asInteger();
}
public static int intValue(@PropertyKey(resourceBundle = REGISTRY_BUNDLE) String key, int defaultValue) {
try {
return get(key).asInteger();
}
catch (MissingResourceException ex) {
return defaultValue;
}
}
public static double doubleValue(@PropertyKey(resourceBundle = REGISTRY_BUNDLE) String key) {
return get(key).asDouble();
}
public static String stringValue(@PropertyKey(resourceBundle = REGISTRY_BUNDLE) String key) {
return get(key).asString();
}
public static Color getColor(@PropertyKey(resourceBundle = REGISTRY_BUNDLE) String key, Color defaultValue) {
return get(key).asColor(defaultValue);
}
static ResourceBundle getBundle() {
ResourceBundle bundle = com.intellij.reference.SoftReference.dereference(ourBundle);
if (bundle == null) {
bundle = ResourceBundle.getBundle(REGISTRY_BUNDLE);
ourBundle = new SoftReference<ResourceBundle>(bundle);
}
return bundle;
}
public static Registry getInstance() {
return ourInstance;
}
public Element getState() {
final Element state = new Element("registry");
for (String eachKey : myUserProperties.keySet()) {
final Element entry = new Element("entry");
entry.setAttribute("key", eachKey);
entry.setAttribute("value", myUserProperties.get(eachKey));
state.addContent(entry);
}
return state;
}
public void loadState(Element state) {
final List entries = state.getChildren("entry");
for (Object each : entries) {
final Element eachEntry = (Element) each;
final String eachKey = eachEntry.getAttributeValue("key");
final String eachValue = eachEntry.getAttributeValue("value");
if (eachKey != null && eachValue != null) {
myUserProperties.put(eachKey, eachValue);
}
}
myLoadedUserProperties.putAll(myUserProperties);
for (RegistryValue each : myValues.values()) {
each.resetCache();
}
}
Map<String, String> getUserProperties() {
return myUserProperties;
}
public static List<RegistryValue> getAll() {
final ResourceBundle bundle = getBundle();
final Enumeration<String> keys = bundle.getKeys();
final ArrayList<RegistryValue> result = new ArrayList<RegistryValue>();
while (keys.hasMoreElements()) {
final String each = keys.nextElement();
if (each.endsWith(".description") || each.endsWith(".restartRequired")) continue;
result.add(get(each));
}
return result;
}
public void restoreDefaults() {
final HashMap<String, String> old = new HashMap<String, String>();
old.putAll(myUserProperties);
for (String each : old.keySet()) {
get(each).resetToDefault();
}
}
public boolean isInDefaultState() {
return getUserProperties().isEmpty();
}
public boolean isRestartNeeded() {
return isRestartNeeded(myUserProperties) || isRestartNeeded(myLoadedUserProperties);
}
private static boolean isRestartNeeded(Map<String, String> map) {
for (String s : map.keySet()) {
final RegistryValue eachValue = get(s);
if (eachValue.isRestartRequired() && eachValue.isChangedSinceAppStart()) return true;
}
return false;
}
}
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