private DecryptionHandler()

in src/main/java/com/amazonaws/encryptionsdk/internal/DecryptionHandler.java [116:145]

• 26 lines of code
• 2 McCabe index (conditional complexity)

  private DecryptionHandler(
      final CMMHandler cmmHandler,
      final CiphertextHeaders headers,
      final CommitmentPolicy commitmentPolicy,
      final SignaturePolicy signaturePolicy,
      final int maxEncryptedDataKeys,
      final Map<String, String> reproducedEncryptionContext)
      throws AwsCryptoException {
    Utils.assertNonNull(cmmHandler, "materialsManager");
    Utils.assertNonNull(commitmentPolicy, "commitmentPolicy");
    Utils.assertNonNull(signaturePolicy, "signaturePolicy");

    cmmHandler_ = cmmHandler;
    ciphertextHeaders_ = headers;
    commitmentPolicy_ = commitmentPolicy;
    signaturePolicy_ = signaturePolicy;
    maxEncryptedDataKeys_ = maxEncryptedDataKeys;
    ciphertextFooters_ = new CiphertextFooters();
    if (headers instanceof ParsedCiphertext) {
      ciphertextBytesSupplied_ = ((ParsedCiphertext) headers).getOffset();
    } else {
      // This is a little more expensive, hence the public create(...) methods
      // that take a CiphertextHeaders instead of a ParsedCiphertext are
      // deprecated.
      ciphertextBytesSupplied_ = headers.toByteArray().length;
    }
    reproducedEncryptionContext_ = reproducedEncryptionContext;
    readHeaderFields(headers);
    updateTrailingSignature(headers);
  }