ResourceUtil.getOverrideConfPath().ifPresent(p -> {
            buf.append(p);
            buf.append(cpSeparator);
        });
        final String confPath = System.getProperty(Constants.FESS_CONF_PATH);
        if (StringUtil.isNotBlank(confPath)) {
            buf.append(confPath);
            buf.append(cpSeparator);
        }
        // WEB-INF/env/suggest/resources

     */
    public static final String OS_NAME = System.getProperty("os.name").toLowerCase(Locale.ENGLISH);

    /**
     * The OA architecture.
     */
    public static final String OS_ARCH = System.getProperty("os.arch").toLowerCase(Locale.ENGLISH);

    /**
     * The OS version.
     */
    public static final String OS_VERSION = System.getProperty("os.version").toLowerCase(Locale.ENGLISH);

    /**

    }

    private static Path configurationFile() {
        String mavenUserConf = System.getProperty(Constants.MAVEN_USER_CONF);
        if (mavenUserConf != null) {
            return Paths.get(mavenUserConf, FILE_NAME);
        }
        // this means we are in UT or alike
        return Paths.get(System.getProperty("user.home"), ".m2", FILE_NAME);
    }

        ResourceUtil.getOverrideConfPath().ifPresent(p -> {
            buf.append(p);
            buf.append(cpSeparator);
        });
        final String confPath = System.getProperty(Constants.FESS_CONF_PATH);
        if (StringUtil.isNotBlank(confPath)) {
            buf.append(confPath);
            buf.append(cpSeparator);
        }
        // WEB-INF/env/thumbnail/resources

  val platform = PlatformRule()

  @Test
  fun testBuildsWithJettyBoot() {
    assumeTrue(System.getProperty("java.specification.version") == "1.8")
    platform.assumeJettyBootEnabled()
    assertThat(buildIfSupported()).isNotNull()
  }

  @Test
  fun testNotBuildWithOther() {
    assumeFalse(System.getProperty("java.specification.version") == "1.8")
    assertThat(buildIfSupported()).isNull()
  }

                clone.getActivation().getFile().getMissing());
        assertEquals(
                p.getActivation().getProperty().getName(),
                clone.getActivation().getProperty().getName());
        assertEquals(
                p.getActivation().getProperty().getValue(),
                clone.getActivation().getProperty().getValue());
        assertEquals(
                p.getActivation().getOs().getArch(),

        String type = artifact.getProperty(ArtifactProperties.TYPE, artifact.getExtension());
        return new DefaultArtifactHandler(
                type,
                artifact.getExtension(),
                null,
                null,
                null,
                Boolean.parseBoolean(artifact.getProperty(MavenArtifactProperties.INCLUDES_DEPENDENCIES, "")),

        String path = System.getProperty(altLocationSysProp);

        if (path == null || path.isEmpty()) {
            // TODO This replacing shouldn't be necessary as user.home should be in the
            // context of the container and thus the value would be interpolated by Plexus
            String basedir = System.getProperty(basedirSysProp);
            if (basedir == null) {

        SingletonContext.getInstance();
        String pkgs = System.getProperty("java.protocol.handler.pkgs");
        if (pkgs == null) {
            System.setProperty("java.protocol.handler.pkgs", "jcifs");
        } else if (pkgs.indexOf("jcifs") == -1) {
            pkgs += "|jcifs";
            System.setProperty("java.protocol.handler.pkgs", pkgs);
        }
    }

    /**
     *
     */

 * https://github.com/xjdr/xio/blob/master/alpn-boot.gradle
 */
fun alpnBootVersion(): String? {
  val version = System.getProperty("alpn.boot.version")

  if (version != null) {
    return version
  }

  val javaVersion = System.getProperty("java.version")
  val match = "1\\.8\\.0_(\\d+)(-.*)?".toRegex().find(javaVersion) ?: return null