// Code generated by smithy-go-codegen DO NOT EDIT.

package s3

import (
	"context"
	awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
	"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
	s3cust "github.com/aws/aws-sdk-go-v2/service/s3/internal/customizations"
	"github.com/aws/aws-sdk-go-v2/service/s3/types"
	"github.com/aws/smithy-go/middleware"
	smithyhttp "github.com/aws/smithy-go/transport/http"
)

// Retrieves an object's retention settings. For more information, see Locking
// Objects (https://docs.aws.amazon.com/AmazonS3/latest/dev/object-lock.html). This
// action is not supported by Amazon S3 on Outposts. The following action is
// related to GetObjectRetention:
//
// * GetObjectAttributes
// (https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetObjectAttributes.html)
func (c *Client) GetObjectRetention(ctx context.Context, params *GetObjectRetentionInput, optFns ...func(*Options)) (*GetObjectRetentionOutput, error) {
	if params == nil {
		params = &GetObjectRetentionInput{}
	}

	result, metadata, err := c.invokeOperation(ctx, "GetObjectRetention", params, optFns, c.addOperationGetObjectRetentionMiddlewares)
	if err != nil {
		return nil, err
	}

	out := result.(*GetObjectRetentionOutput)
	out.ResultMetadata = metadata
	return out, nil
}

type GetObjectRetentionInput struct {

	// The bucket name containing the object whose retention settings you want to
	// retrieve. When using this action with an access point, you must direct requests
	// to the access point hostname. The access point hostname takes the form
	// AccessPointName-AccountId.s3-accesspoint.Region.amazonaws.com. When using this
	// action with an access point through the Amazon Web Services SDKs, you provide
	// the access point ARN in place of the bucket name. For more information about
	// access point ARNs, see Using access points
	// (https://docs.aws.amazon.com/AmazonS3/latest/userguide/using-access-points.html)
	// in the Amazon S3 User Guide.
	//
	// This member is required.
	Bucket *string

	// The key name for the object whose retention settings you want to retrieve.
	//
	// This member is required.
	Key *string

	// The account ID of the expected bucket owner. If the bucket is owned by a
	// different account, the request fails with the HTTP status code 403 Forbidden
	// (access denied).
	ExpectedBucketOwner *string

	// Confirms that the requester knows that they will be charged for the request.
	// Bucket owners need not specify this parameter in their requests. For information
	// about downloading objects from Requester Pays buckets, see Downloading Objects
	// in Requester Pays Buckets
	// (https://docs.aws.amazon.com/AmazonS3/latest/dev/ObjectsinRequesterPaysBuckets.html)
	// in the Amazon S3 User Guide.
	RequestPayer types.RequestPayer

	// The version ID for the object whose retention settings you want to retrieve.
	VersionId *string

	noSmithyDocumentSerde
}

type GetObjectRetentionOutput struct {

	// The container element for an object's retention settings.
	Retention *types.ObjectLockRetention

	// Metadata pertaining to the operation's result.
	ResultMetadata middleware.Metadata

	noSmithyDocumentSerde
}

func (c *Client) addOperationGetObjectRetentionMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsRestxml_serializeOpGetObjectRetention{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsRestxml_deserializeOpGetObjectRetention{}, middleware.After)
	if err != nil {
		return err
	}
	if err = addSetLoggerMiddleware(stack, options); err != nil {
		return err
	}
	if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
		return err
	}
	if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
		return err
	}
	if err = addResolveEndpointMiddleware(stack, options); err != nil {
		return err
	}
	if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
		return err
	}
	if err = addRetryMiddlewares(stack, options); err != nil {
		return err
	}
	if err = addHTTPSignerV4Middleware(stack, options); err != nil {
		return err
	}
	if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
		return err
	}
	if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
		return err
	}
	if err = addClientUserAgent(stack); err != nil {
		return err
	}
	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
		return err
	}
	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
		return err
	}
	if err = swapWithCustomHTTPSignerMiddleware(stack, options); err != nil {
		return err
	}
	if err = addOpGetObjectRetentionValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opGetObjectRetention(options.Region), middleware.Before); err != nil {
		return err
	}
	if err = addMetadataRetrieverMiddleware(stack); err != nil {
		return err
	}
	if err = addGetObjectRetentionUpdateEndpoint(stack, options); err != nil {
		return err
	}
	if err = addResponseErrorMiddleware(stack); err != nil {
		return err
	}
	if err = v4.AddContentSHA256HeaderMiddleware(stack); err != nil {
		return err
	}
	if err = disableAcceptEncodingGzip(stack); err != nil {
		return err
	}
	if err = addRequestResponseLogging(stack, options); err != nil {
		return err
	}
	return nil
}

func newServiceMetadataMiddleware_opGetObjectRetention(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		SigningName:   "s3",
		OperationName: "GetObjectRetention",
	}
}

// getGetObjectRetentionBucketMember returns a pointer to string denoting a
// provided bucket member valueand a boolean indicating if the input has a modeled
// bucket name,
func getGetObjectRetentionBucketMember(input interface{}) (*string, bool) {
	in := input.(*GetObjectRetentionInput)
	if in.Bucket == nil {
		return nil, false
	}
	return in.Bucket, true
}
func addGetObjectRetentionUpdateEndpoint(stack *middleware.Stack, options Options) error {
	return s3cust.UpdateEndpoint(stack, s3cust.UpdateEndpointOptions{
		Accessor: s3cust.UpdateEndpointParameterAccessor{
			GetBucketFromInput: getGetObjectRetentionBucketMember,
		},
		UsePathStyle:                   options.UsePathStyle,
		UseAccelerate:                  options.UseAccelerate,
		SupportsAccelerate:             true,
		TargetS3ObjectLambda:           false,
		EndpointResolver:               options.EndpointResolver,
		EndpointResolverOptions:        options.EndpointOptions,
		UseARNRegion:                   options.UseARNRegion,
		DisableMultiRegionAccessPoints: options.DisableMultiRegionAccessPoints,
	})
}