import java.util.stream.Stream;

/**
 * OS support
 */
public class Os {

    /**
     * The OS Name.
     */
    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.
     */

        if (active && os.getFamily() != null) {
            active = determineFamilyMatch(os.getFamily(), actualOsName);
        }
        if (active && os.getName() != null) {
            active = determineNameMatch(os.getName(), actualOsName);
        }
        if (active && os.getArch() != null) {
            active = determineArchMatch(os.getArch(), actualOsArch);
        }

    /**
     * <code>os.name</code> システムプロパティ。例:<code>Mac OS X</code>
     */
    public static final String OS_NAME = System.getProperty("os.name");

    /**
     * <code>java.io.tmpdir</code> システムプロパティ。例：/tmp
     */
    public static final String JAVA_IO_TMPDIR = System.getProperty("java.io.tmpdir");

    /**
     * <code>user.dir</code> システムプロパティ。
     */

   */
  @Deprecated
  JAVA_EXT_DIRS("java.ext.dirs"),

  /** Operating system name. */
  OS_NAME("os.name"),

  /** Operating system architecture. */
  OS_ARCH("os.arch"),

  /** Operating system version. */
  OS_VERSION("os.version"),

  /** File separator ("/" on UNIX). */
  FILE_SEPARATOR("file.separator"),

  /** Path separator (":" on UNIX). */

     *
     * @param os
     *            出力ストリーム
     * @return ラップされた出力ストリーム
     */
    protected static OutputStream wrap(final OutputStream os) {
        if (os instanceof BufferedOutputStream) {
            return os;
        }
        if (os instanceof ByteArrayOutputStream) {
            return os;
        }

                org.apache.maven.model.ActivationOS os = new org.apache.maven.model.ActivationOS();

                os.setArch(profileOs.getArch());
                os.setFamily(profileOs.getFamily());
                os.setName(profileOs.getName());
                os.setVersion(profileOs.getVersion());

                activation.setOs(os);
            }

            ByteArrayOutputStream os = new ByteArrayOutputStream(1024);
            PrintStream ps = new PrintStream(os);
            ps.println(
                    "A required class was missing while executing " + mojoDescriptor.getId() + ": " + e.getMessage());
            pluginRealm.display(ps);
            Exception wrapper = new PluginContainerException(mojoDescriptor, pluginRealm, os.toString(), e);

                pluginRealm.display(ps);

                throw new PluginContainerException(mojoDescriptor, pluginRealm, os.toString(), cause);
            } else if (cause instanceof LinkageError) {
                ByteArrayOutputStream os = new ByteArrayOutputStream(1024);
                PrintStream ps = new PrintStream(os);
                ps.println("Unable to load the mojo '" + mojoDescriptor.getGoal() + "' in the plugin '"

    }

    @Override
    public void storeToXML(final OutputStream os, final String comment, final String encoding) throws IOException {
        getProperties().storeToXML(os, comment, encoding);
    }

    @Override
    public void storeToXML(final OutputStream os, final String comment) throws IOException {
        getProperties().storeToXML(os, comment);
    }

    @Override

        }
    }

    private static boolean isWindows() {
        return System.getProperty("os.name").toLowerCase().contains("windows");
    }

    private static boolean isMacOS() {
        return System.getProperty("os.name").toLowerCase().contains("mac");
    }

    private static class ExecResult {
        private final String[] args;