public static CoseEncrypt decode()

in java/cose/CoseEncrypt.java [67:94]
22 lines of code
3 McCabe index (conditional complexity)

  public static CoseEncrypt decode(byte[] data) throws CborException {
    DataItem coseEncrypt = CborUtil.cborToDataItem(data);

    Array array = CborUtil.asArray(coseEncrypt);
    List<DataItem> dataItems = array.getDataItems();

    if (dataItems.size() != COSE_ENCRYPT_LENGTH) {
      throw new CborException(
          String.format(
              "Recipient has the wrong length \nExpected: %s\nActual: %s",
              COSE_ENCRYPT_LENGTH, dataItems.size()));
    }

    byte[] protectedHeaders =
        CborUtil.asByteString(dataItems.get(COSE_ENCRYPT_PROTECTED_HEADERS_INDEX)).getBytes();
    Map unprotectedHeaders = CborUtil.asMap(dataItems.get(COSE_ENCRYPT_UNPROTECTED_HEADERS_INDEX));
    byte[] ciphertext =
        CborUtil.asByteString(dataItems.get(COSE_ENCRYPT_CIPHERTEXT_INDEX)).getBytes();

    Array recipientArray = CborUtil.asArray(dataItems.get(COSE_ENCRYPT_RECIPIENTS_INDEX));

    ImmutableList.Builder<byte[]> builder = ImmutableList.builder();
    for (DataItem entry : recipientArray.getDataItems()) {
      builder.add(CborUtil.asByteString(entry).getBytes());
    }

    return new CoseEncrypt(protectedHeaders, unprotectedHeaders, ciphertext, builder.build());
  }