}
        return total;
      }
    },
    NEW {
      @Override
      long copy(Readable from, Appendable to) throws IOException {
        return CharStreams.copy(from, to);
      }
    };

    abstract long copy(Readable from, Appendable to) throws IOException;
  }

  enum TargetSupplier {
    STRING_WRITER {
      @Override
      Appendable get(int sz) {

     *
     * @param artifact           Artifact to be transformed.
     * @param request the repositories to check
     */
    void transformForResolve(Artifact artifact, RepositoryRequest request)
            throws ArtifactResolutionException, ArtifactNotFoundException;

    /**
     * Take in an artifact and return the transformed artifact for locating in the remote repository. If no

     *
     * @param is
     *            入力ストリーム。{@literal null}であってはいけません
     * @return {@link JarInputStream}
     * @throws IORuntimeException
     *             {@link IOException}が発生した場合
     * @see JarInputStream#JarInputStream(InputStream)
     */
    public static JarInputStream create(final InputStream is) throws IORuntimeException {
        assertArgumentNotNull("is", is);

        try {
            return new JarInputStream(is);

  public long getCount() {
    return count;
  }

  @Override
  public int read() throws IOException {
    int result = in.read();
    if (result != -1) {
      count++;
    }
    return result;
  }

  @Override
  public int read(byte[] b, int off, int len) throws IOException {
    int result = in.read(b, off, len);
    if (result != -1) {
      count += result;
    }

    /** Append space-prefixed lengths to [writer]. */
    @Throws(IOException::class)
    internal fun writeLengths(writer: BufferedSink) {
      for (length in lengths) {
        writer.writeByte(' '.code).writeDecimalLong(length)
      }
    }

    @Throws(IOException::class)
    private fun invalidLengths(strings: List<String>): Nothing {
      throw IOException("unexpected journal line: $strings")
    }

   * @deprecated Unsupported operation.
   */
  @Deprecated
  @Override
  @CheckForNull
  @DoNotCall("Always throws UnsupportedOperationException")
  public final V replace(K key, V value) {
    throw new UnsupportedOperationException();
  }

  /**
   * Guaranteed to throw an exception and leave the map unmodified.
   *
   * @throws UnsupportedOperationException always

    public Metadata read(File input, Map<String, ?> options) throws IOException {
        Objects.requireNonNull(input, "input cannot be null");

        return read(Files.newInputStream(input.toPath()), options);
    }

    public Metadata read(Reader input, Map<String, ?> options) throws IOException {
        Objects.requireNonNull(input, "input cannot be null");

    }

    @Override
    public ArtifactRepository createDefaultLocalRepository() throws InvalidRepositoryException {
        return createLocalRepository(
                new File(System.getProperty("basedir", "."), "target/local-repo").getAbsoluteFile());
    }

    @Override
    public ArtifactRepository createDefaultRemoteRepository() throws InvalidRepositoryException {
        return new MavenArtifactRepository(

      return configureSocket((SSLSocket) delegate.createSocket(
          address, port, localAddress, localPort));
    }

    protected SSLSocket configureSocket(SSLSocket socket) throws IOException {
      return socket;
    }
  }

  public void run() throws Exception {
    Request request = new Request.Builder()

  private static void rethrow(ExecutionException e) throws ExecutionException {
    Throwable wrapper = e.getCause();
    if (wrapper instanceof WrapperException) {
      Throwable cause = wrapper.getCause();
      if (cause instanceof RuntimeException) {
        throw (RuntimeException) cause;
      } else if (cause instanceof Error) {
        throw (Error) cause;
      }
    }
    throw e;
  }

  @Override