FB Ribosome

Ribosome chunk

private static String translateToProteins(String dna) {
  String result = "";

  int idx = dna.indexOf(START_CODON, 0);

  while (idx < dna.length() && idx != -1) {
    String dnaChunk = dna.substring(idx, idx + 3);
    if (dnaChunk.equals(END_CODON_1) || dnaChunk.equals(END_CODON_2)
	|| dnaChunk.equals(END_CODON_3)) {
      idx = dna.indexOf(START_CODON, idx);
      result += "\n";
    } else {
      result += codonToProteinMap.get(dnaChunk);
      idx += 3;
    }
  }
  return result;
}