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/*
* SonarQube JavaScript Plugin
* Copyright (C) 2011-2018 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.javascript.tree.symbols;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.ImmutableSet;
import com.google.common.io.CharStreams;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.lang.reflect.Type;
import java.nio.charset.StandardCharsets;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import javax.annotation.Nullable;
import org.sonar.api.config.Configuration;
import org.sonar.api.utils.log.Logger;
import org.sonar.api.utils.log.Loggers;
public class GlobalVariableNames {
private static final Gson gson = new Gson();
private static final String GLOBALS_FILE = "globals.json";
public static final String ENVIRONMENTS_PROPERTY_KEY = "sonar.javascript.environments";
public static final String ENVIRONMENTS_DEFAULT_VALUE = "amd, applescript, atomtest, browser, commonjs, couch, embertest, flow, greasemonkey, jasmine, jest, jquery, " +
"meteor, mocha, mongo, nashorn, node, phantomjs, prototypejs, protractor, qunit, rhino, serviceworker, shared-node-browser, shelljs, webextensions, worker, wsh, yui";
public static final String GLOBALS_PROPERTY_KEY = "sonar.javascript.globals";
public static final String GLOBALS_DEFAULT_VALUE = "angular,goog,google,OpenLayers,d3,dojo,dojox,dijit,Backbone,moment,casper";
private static final Map> ENVIRONMENTS = environments();
private static final Logger LOGGER = Loggers.get(GlobalVariableNames.class);
private final Set names;
public GlobalVariableNames(@Nullable Configuration configuration) {
ImmutableSet.Builder namesBuilder = ImmutableSet.builder();
Optional> builtin = globalsFromEnvironment("builtin");
builtin.ifPresent(namesBuilder::addAll);
if (configuration != null) {
namesBuilder.add(configuration.getStringArray(GLOBALS_PROPERTY_KEY));
for (String environmentName : configuration.getStringArray(ENVIRONMENTS_PROPERTY_KEY)) {
Optional> namesFromCurrentEnvironment = globalsFromEnvironment(environmentName);
if (namesFromCurrentEnvironment.isPresent()) {
namesBuilder.addAll(namesFromCurrentEnvironment.get());
} else {
LOGGER.warn(ENVIRONMENTS_PROPERTY_KEY + " contains an unknown environment: " + environmentName);
}
}
}
this.names = namesBuilder.build();
}
@VisibleForTesting
static Map> environments() {
InputStream stream = GlobalVariableNames.class.getResourceAsStream(GLOBALS_FILE);
InputStreamReader reader = new InputStreamReader(stream, StandardCharsets.UTF_8);
try {
String str = CharStreams.toString(reader);
Type stringStringMap = new TypeToken>>(){}.getType();
return gson.fromJson(str, stringStringMap);
} catch (IOException e) {
throw new IllegalStateException("Cannot load " + GLOBALS_FILE, e);
}
}
public Set names() {
return names;
}
private static Optional> globalsFromEnvironment(String environment) {
if (ENVIRONMENTS.containsKey(environment)) {
return Optional.of(ENVIRONMENTS.get(environment));
} else {
return Optional.empty();
}
}
}
