org.sonarsource.sonarlint.core.util.VersionUtils Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of sonarlint-core Show documentation

Library used by SonarLint clients (CLI, Eclipse, ...)

There is a newer version: 10.3.2.78498

/*
 * SonarLint Core - Implementation
 * Copyright (C) 2016-2021 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.sonarsource.sonarlint.core.util;

import java.io.IOException;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.annotation.CheckForNull;
import org.apache.commons.io.IOUtils;

public class VersionUtils {
  private static final String VERSION_REGEX = ".*?(\\d+\\.\\d+(?:\\.\\d+)*).*";
  private static final Pattern JAR_VERSION_PATTERN = Pattern.compile(VERSION_REGEX);

  private VersionUtils() {
  }

  public static String getLibraryVersion() {
    String version;
    Package packageInfo = VersionUtils.class.getPackage();
    if (packageInfo != null && packageInfo.getImplementationVersion() != null) {
      version = packageInfo.getImplementationVersion();
    } else {
      version = getLibraryVersionFallback();
    }
    return version;
  }

  static String getLibraryVersionFallback() {
    String version = "unknown";
    URL resource = VersionUtils.class.getResource("/sl_core_version.txt");
    if (resource != null) {
      try {
        version = IOUtils.toString(resource, StandardCharsets.UTF_8);
      } catch (IOException e) {
        return version;
      }
    }

    return version;
  }

  @CheckForNull
  public static String getJarVersion(String jarName) {
    Matcher matcher = JAR_VERSION_PATTERN.matcher(jarName);
    if (matcher.find()) {
      return matcher.group(1);
    }

    return null;
  }
}