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Open source platform for continuous inspection of code quality

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/*
 * SonarQube
 * Copyright (C) 2009-2022 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.rule;

import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import org.apache.commons.io.IOUtils;
import org.sonar.scanner.bootstrap.DefaultScannerWsClient;
import org.sonarqube.ws.Rules.ListResponse;
import org.sonarqube.ws.Rules.ListResponse.Rule;
import org.sonarqube.ws.client.GetRequest;

public class DefaultRulesLoader implements RulesLoader {
  private static final String RULES_SEARCH_URL = "/api/rules/list.protobuf";

  private final DefaultScannerWsClient wsClient;

  public DefaultRulesLoader(DefaultScannerWsClient wsClient) {
    this.wsClient = wsClient;
  }

  @Override
  public List load() {
    GetRequest getRequest = new GetRequest(RULES_SEARCH_URL);
    ListResponse list = loadFromStream(wsClient.call(getRequest).contentStream());
    return list.getRulesList();
  }

  private static ListResponse loadFromStream(InputStream is) {
    try {
      return ListResponse.parseFrom(is);
    } catch (IOException e) {
      throw new IllegalStateException("Unable to get rules", e);
    } finally {
      IOUtils.closeQuietly(is);
    }
  }

}