Method isControlCharacter

src/main/java/com/google/gson/Escaper.java:134–140

(int codePoint)

  }

  private static boolean isControlCharacter(int codePoint) {
    // JSON spec defines these code points as control characters, so they must be escaped
    return codePoint < 0x20
        || codePoint == 0x2028  // Line separator
        || codePoint == 0x2029  // Paragraph separator
        || (codePoint >= 0x7f && codePoint <= 0x9f);
  }

  private static void appendHexJavaScriptRepresentation(int codePoint, Appendable out)
      throws IOException {