Method exhaust

guava/src/com/google/common/io/ByteStreams.java:289–298

Reads and discards data from the given {@code InputStream} until the end of the stream is reached. Returns the total number of bytes read. Does not close the stream. @since 20.0

(InputStream in)

   * @since 20.0
   */
  @CanIgnoreReturnValue
  public static long exhaust(InputStream in) throws IOException {
    long total = 0;
    long read;
    byte[] buf = createBuffer();
    while ((read = in.read(buf)) != -1) {
      total += read;
    }
    return total;
  }

  /**
   * Returns a new {@link ByteArrayDataInput} instance to read from the {@code bytes} array from the