Method ipStringToBytes

output/java_guava/1.4.16/InetAddresses.java:168–199

(String ipString)

  }

  private static byte[] ipStringToBytes(String ipString) {
    // Make a first pass to categorize the characters in this string.
    boolean hasColon = false;
    boolean hasDot = false;
    for (int i = 0; i < ipString.length(); i++) {
      char c = ipString.charAt(i);
      if (c == '.') {
        hasDot = true;
      } else if (c == ':') {
        if (hasDot) {
          return null; // Colons must not appear after dots.
        }
        hasColon = true;
      } else if (Character.digit(c, 16) == -1) {
        return null; // Everything else must be a decimal or hex digit.
      }
    }

    // Now decide which address family to parse.
    if (hasColon) {
      if (hasDot) {
        ipString = convertDottedQuadToHex(ipString);
        if (ipString == null) {
          return null;
        }
      }
      return textToNumericFormatV6(ipString);
    } else if (hasDot) {
      return textToNumericFormatV4(ipString);
    }
    return null;
  }

  private static byte[] textToNumericFormatV4(String ipString) {
    byte[] bytes = new byte[IPV4_PART_COUNT];