Method toByteArray

corpus/java/training/guava/io/ByteStreams.java:162–169

Reads all bytes from an input stream into a byte array. Does not close the stream. @param in the input stream to read from @return a byte array containing all the bytes from the stream @throws IOException if an I/O error occurs

(InputStream in)

   * @throws IOException if an I/O error occurs
   */
  public static byte[] toByteArray(InputStream in) throws IOException {
    // Presize the ByteArrayOutputStream since we know how large it will need
    // to be, unless that value is less than the default ByteArrayOutputStream
    // size (32).
    ByteArrayOutputStream out = new ByteArrayOutputStream(Math.max(32, in.available()));
    copy(in, out);
    return out.toByteArray();
  }

  /**
   * Reads all bytes from an input stream into a byte array. The given expected size is used to