VerifiableCredential.fromJson constructor

VerifiableCredential.fromJson(dynamic jsonObject)

Implementation

VerifiableCredential.fromJson(dynamic jsonObject) {
  var credential = credentialToMap(jsonObject);
  if (credential.containsKey('@context')) {
    context = credential['@context'];
  } else {
    throw FormatException(
        '@context property is needed in verifiable credential');
  }

  if (credential.containsKey('type')) {
    type = credential['type'].cast<String>();
  } else {
    throw FormatException('type property is needed in verifiable credential');
  }

  if (credential.containsKey('issuer')) {
    issuer = credential['issuer'];
  } else {
    throw FormatException(
        'issuer property is needed in verifiable credential');
  }

  if (credential.containsKey('credentialSubject')) {
    {
      credentialSubject = credential['credentialSubject'];
      if (credentialSubject is! Map<String, dynamic>) {
        if (credentialSubject is! List) {
          throw FormatException(
              'Credential subject property must be a Map or List (dart json Object)');
        }
      }
    }
  } else {
    throw FormatException(
        'credential subject property is needed in verifiable credential');
  }

  if (credential.containsKey('issuanceDate')) {
    issuanceDate = DateTime.parse(credential['issuanceDate']);
  } else {
    throw FormatException(
        'issuanceDate property is needed in verifiable credential');
  }

  id = credential['id'];

  if (credential.containsKey('expirationDate')) {
    expirationDate = DateTime.parse(credential['expirationDate']);
  }

  if (credential.containsKey('credentialStatus')) {
    status = CredentialStatus.fromJson(credential['credentialStatus']);
  }

  if (credential.containsKey('proof')) {
    proof = LinkedDataProof.fromJson(credential['proof']);
  }

  if (credential.containsKey('credentialSchema')) {
    credentialSchema =
        CredentialStatus.fromJson(credential['credentialSchema']);
  }

  _originalDoc = credential;
}