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// Code generated by smithy-go-codegen DO NOT EDIT.
package dynamodbstreams
import (
"context"
"fmt"
smithy "github.com/aws/smithy-go"
"github.com/aws/smithy-go/middleware"
)
type validateOpDescribeStream struct {
}
func (*validateOpDescribeStream) ID() string {
return "OperationInputValidation"
}
func (m *validateOpDescribeStream) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
input, ok := in.Parameters.(*DescribeStreamInput)
if !ok {
return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
}
if err := validateOpDescribeStreamInput(input); err != nil {
return out, metadata, err
}
return next.HandleInitialize(ctx, in)
}
type validateOpGetRecords struct {
}
func (*validateOpGetRecords) ID() string {
return "OperationInputValidation"
}
func (m *validateOpGetRecords) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
input, ok := in.Parameters.(*GetRecordsInput)
if !ok {
return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
}
if err := validateOpGetRecordsInput(input); err != nil {
return out, metadata, err
}
return next.HandleInitialize(ctx, in)
}
type validateOpGetShardIterator struct {
}
func (*validateOpGetShardIterator) ID() string {
return "OperationInputValidation"
}
func (m *validateOpGetShardIterator) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
input, ok := in.Parameters.(*GetShardIteratorInput)
if !ok {
return out, metadata, fmt.Errorf("unknown input parameters type %T", in.Parameters)
}
if err := validateOpGetShardIteratorInput(input); err != nil {
return out, metadata, err
}
return next.HandleInitialize(ctx, in)
}
func addOpDescribeStreamValidationMiddleware(stack *middleware.Stack) error {
return stack.Initialize.Add(&validateOpDescribeStream{}, middleware.After)
}
func addOpGetRecordsValidationMiddleware(stack *middleware.Stack) error {
return stack.Initialize.Add(&validateOpGetRecords{}, middleware.After)
}
func addOpGetShardIteratorValidationMiddleware(stack *middleware.Stack) error {
return stack.Initialize.Add(&validateOpGetShardIterator{}, middleware.After)
}
func validateOpDescribeStreamInput(v *DescribeStreamInput) error {
if v == nil {
return nil
}
invalidParams := smithy.InvalidParamsError{Context: "DescribeStreamInput"}
if v.StreamArn == nil {
invalidParams.Add(smithy.NewErrParamRequired("StreamArn"))
}
if invalidParams.Len() > 0 {
return invalidParams
} else {
return nil
}
}
func validateOpGetRecordsInput(v *GetRecordsInput) error {
if v == nil {
return nil
}
invalidParams := smithy.InvalidParamsError{Context: "GetRecordsInput"}
if v.ShardIterator == nil {
invalidParams.Add(smithy.NewErrParamRequired("ShardIterator"))
}
if invalidParams.Len() > 0 {
return invalidParams
} else {
return nil
}
}
func validateOpGetShardIteratorInput(v *GetShardIteratorInput) error {
if v == nil {
return nil
}
invalidParams := smithy.InvalidParamsError{Context: "GetShardIteratorInput"}
if v.StreamArn == nil {
invalidParams.Add(smithy.NewErrParamRequired("StreamArn"))
}
if v.ShardId == nil {
invalidParams.Add(smithy.NewErrParamRequired("ShardId"))
}
if len(v.ShardIteratorType) == 0 {
invalidParams.Add(smithy.NewErrParamRequired("ShardIteratorType"))
}
if invalidParams.Len() > 0 {
return invalidParams
} else {
return nil
}
}
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