Add customer preview

Author: rishav-karanjit

GoCustomerPreview/ddb-esdk/AttributeResolver/AttributeResolver.go

@@ -0,0 +1,51 @@
+package InternalLegacyOverride
+
+import (
+	"github.com/aws/aws-cryptographic-material-providers-library/releases/go/smithy-dafny-standard-library/Wrappers"
+	"github.com/aws/aws-database-encryption-sdk-dynamodb/AwsCryptographyDbEncryptionSdkDynamoDbTypes"
+	"github.com/aws/aws-database-encryption-sdk-dynamodb/awscryptographydbencryptionsdkdynamodbitemencryptorsmithygeneratedtypes"
+)
+
+var policy = AwsCryptographyDbEncryptionSdkDynamoDbTypes.Companion_LegacyPolicy_.Create_FORBID__LEGACY__ENCRYPT__FORBID__LEGACY__DECRYPT_()
+
+func (InternalLegacyOverride) Policy() AwsCryptographyDbEncryptionSdkDynamoDbTypes.LegacyPolicy {
+	return policy
+}
+
+func (CompanionStruct_InternalLegacyOverride_) Build(config interface{}) Wrappers.Result {
+	// Go does not support the Legacy DDB-EC
+	if policy.Is_FORBID__LEGACY__ENCRYPT__FORBID__LEGACY__DECRYPT() {
+		return Wrappers.Companion_Result_.Create_Success_(Wrappers.Companion_Option_.Create_None_())
+	}
+	err := &awscryptographydbencryptionsdkdynamodbitemencryptorsmithygeneratedtypes.DynamoDbItemEncryptorException{
+		Message: "Legacy configuration unsupported.",
+	}
+	return Wrappers.Companion_Result_.Create_Failure_(err)
+}
+
+func (InternalLegacyOverride) EncryptItem(config interface{}) Wrappers.Result {
+	// Go does not support the Legacy DDB-EC
+	if policy.Is_FORBID__LEGACY__ENCRYPT__FORBID__LEGACY__DECRYPT() {
+		return Wrappers.Companion_Result_.Create_Success_(Wrappers.Companion_Option_.Create_None_())
+	}
+	err := &awscryptographydbencryptionsdkdynamodbitemencryptorsmithygeneratedtypes.DynamoDbItemEncryptorException{
+		Message: "Legacy configuration unsupported.",
+	}
+	return Wrappers.Companion_Result_.Create_Failure_(err)
+}
+
+func (InternalLegacyOverride) DecryptItem(config interface{}) Wrappers.Result {
+	// Go does not support the Legacy DDB-EC
+	if policy.Is_FORBID__LEGACY__ENCRYPT__FORBID__LEGACY__DECRYPT() {
+		return Wrappers.Companion_Result_.Create_Success_(Wrappers.Companion_Option_.Create_None_())
+	}
+	err := &awscryptographydbencryptionsdkdynamodbitemencryptorsmithygeneratedtypes.DynamoDbItemEncryptorException{
+		Message: "Legacy configuration unsupported.",
+	}
+	return Wrappers.Companion_Result_.Create_Failure_(err)
+}
+
+func (InternalLegacyOverride) IsLegacyInput(config interface{}) bool {
+	// Go does not support the Legacy DDB-EC
+	return false
+}