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/*
* SonarQube
* Copyright (C) 2009-2025 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.scanner.repository.language;
import com.google.gson.Gson;
import java.io.Reader;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
import java.util.stream.Collectors;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.sonar.api.config.Configuration;
import org.sonar.scanner.http.DefaultScannerWsClient;
import org.sonarqube.ws.client.GetRequest;
public class DefaultLanguagesLoader implements LanguagesLoader {
private static final Logger LOG = LoggerFactory.getLogger(DefaultLanguagesLoader.class);
private static final String LANGUAGES_WS_URL = "/api/languages/list";
private static final Map<String, String> PROPERTY_FRAGMENT_MAP = Map.of(
"js", "javascript",
"ts", "typescript",
"py", "python",
"web", "html");
private final DefaultScannerWsClient wsClient;
private final Configuration properties;
public DefaultLanguagesLoader(DefaultScannerWsClient wsClient, Configuration properties) {
this.wsClient = wsClient;
this.properties = properties;
}
@Override
public Map<String, Language> load() {
GetRequest getRequest = new GetRequest(LANGUAGES_WS_URL);
LanguagesWSResponse response;
try (Reader reader = wsClient.call(getRequest).contentReader()) {
response = new Gson().fromJson(reader, LanguagesWSResponse.class);
} catch (Exception e) {
throw new IllegalStateException("Fail to parse response of " + LANGUAGES_WS_URL, e);
}
return response.languages.stream()
.map(this::populateFileSuffixesAndPatterns)
.collect(Collectors.toMap(Language::key, Function.identity()));
}
private Language populateFileSuffixesAndPatterns(SupportedLanguageDto lang) {
lang.setFileSuffixes(getFileSuffixes(lang.getKey()));
lang.setFilenamePatterns(getFilenamePatterns(lang.getKey()));
if (lang.filenamePatterns() == null && lang.getFileSuffixes() == null) {
LOG.debug("Language '{}' cannot be detected as it has neither suffixes nor patterns.", lang.getName());
}
return new Language(lang);
}
private String[] getFileSuffixes(String languageKey) {
return getPropertyForLanguage("sonar.%s.file.suffixes", languageKey);
}
private String[] getFilenamePatterns(String languageKey) {
return getPropertyForLanguage("sonar.%s.file.patterns", languageKey);
}
private String[] getPropertyForLanguage(String propertyPattern, String languageKey) {
String propName = String.format(propertyPattern, PROPERTY_FRAGMENT_MAP.getOrDefault(languageKey, languageKey));
return properties.getStringArray(propName);
}
private static class LanguagesWSResponse {
List<SupportedLanguageDto> languages;
}
}
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