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Code Analyzer for CSS
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/*
 * SonarCSS
 * Copyright (C) 2018-2021 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.css.plugin.server.bundle;

import java.io.InputStream;
import java.nio.file.Path;
import java.nio.file.Paths;
import org.sonar.api.internal.google.common.annotations.VisibleForTesting;
import org.sonar.api.scanner.ScannerSide;
import org.sonar.api.utils.log.Logger;
import org.sonar.api.utils.log.Loggers;
import org.sonar.api.utils.log.Profiler;
import org.sonarsource.api.sonarlint.SonarLintSide;

import static org.sonarsource.api.sonarlint.SonarLintSide.MULTIPLE_ANALYSES;

@ScannerSide
@SonarLintSide(lifespan = MULTIPLE_ANALYSES)
public class CssAnalyzerBundle implements Bundle {

  private static final Logger LOG = Loggers.get(CssAnalyzerBundle.class);
  private static final Profiler PROFILER = Profiler.createIfDebug(LOG);

  // this archive is created in css-bundle module
  private static final String DEFAULT_BUNDLE_LOCATION = "/css-bundle.zip";
  private static final Path DEFAULT_STARTUP_SCRIPT = Paths.get("css-bundle", "bin", "server");

  final String bundleLocation;

  private String startServerScript = DEFAULT_STARTUP_SCRIPT.toString();
  private Path deployLocation;

  public CssAnalyzerBundle() {
    this(DEFAULT_BUNDLE_LOCATION);
  }

  @VisibleForTesting
  CssAnalyzerBundle(String bundleLocation) {
    this.bundleLocation = bundleLocation;
  }

  @Override
  public void deploy(Path deployLocation) {
    this.deployLocation = deployLocation;
    PROFILER.startDebug("Deploying bundle");
    LOG.debug("Deploying css-bundle into {}", deployLocation);
    InputStream bundle = getClass().getResourceAsStream(bundleLocation);
    if (bundle == null) {
      throw new IllegalStateException("css-bundle not found in " + bundleLocation);
    }
    try {
      LOG.debug("Deploying css-bundle to {}", deployLocation.toAbsolutePath());
      Zip.extract(bundle, deployLocation);
      startServerScript = deployLocation.resolve(DEFAULT_STARTUP_SCRIPT).toAbsolutePath().toString();
    } catch (Exception e) {
      throw new IllegalStateException("Failed to deploy css-bundle (with classpath '" + bundleLocation + "')", e);
    }
    PROFILER.stopDebug();
  }

  @Override
  public String startServerScript() {
    return startServerScript;
  }

  @Override
  public String resolve(String relativePath) {
    return deployLocation.resolve("css-bundle").resolve(relativePath).toString();
  }
}