diff options
Diffstat (limited to 'vendor/github.com/aws/aws-sdk-go/private/protocol/payload.go')
-rw-r--r-- | vendor/github.com/aws/aws-sdk-go/private/protocol/payload.go | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/vendor/github.com/aws/aws-sdk-go/private/protocol/payload.go b/vendor/github.com/aws/aws-sdk-go/private/protocol/payload.go new file mode 100644 index 000000000..e21614a12 --- /dev/null +++ b/vendor/github.com/aws/aws-sdk-go/private/protocol/payload.go @@ -0,0 +1,81 @@ +package protocol + +import ( + "io" + "io/ioutil" + "net/http" + + "github.com/aws/aws-sdk-go/aws" + "github.com/aws/aws-sdk-go/aws/client/metadata" + "github.com/aws/aws-sdk-go/aws/request" +) + +// PayloadUnmarshaler provides the interface for unmarshaling a payload's +// reader into a SDK shape. +type PayloadUnmarshaler interface { + UnmarshalPayload(io.Reader, interface{}) error +} + +// HandlerPayloadUnmarshal implements the PayloadUnmarshaler from a +// HandlerList. This provides the support for unmarshaling a payload reader to +// a shape without needing a SDK request first. +type HandlerPayloadUnmarshal struct { + Unmarshalers request.HandlerList +} + +// UnmarshalPayload unmarshals the io.Reader payload into the SDK shape using +// the Unmarshalers HandlerList provided. Returns an error if unable +// unmarshaling fails. +func (h HandlerPayloadUnmarshal) UnmarshalPayload(r io.Reader, v interface{}) error { + req := &request.Request{ + HTTPRequest: &http.Request{}, + HTTPResponse: &http.Response{ + StatusCode: 200, + Header: http.Header{}, + Body: ioutil.NopCloser(r), + }, + Data: v, + } + + h.Unmarshalers.Run(req) + + return req.Error +} + +// PayloadMarshaler provides the interface for marshaling a SDK shape into and +// io.Writer. +type PayloadMarshaler interface { + MarshalPayload(io.Writer, interface{}) error +} + +// HandlerPayloadMarshal implements the PayloadMarshaler from a HandlerList. +// This provides support for marshaling a SDK shape into an io.Writer without +// needing a SDK request first. +type HandlerPayloadMarshal struct { + Marshalers request.HandlerList +} + +// MarshalPayload marshals the SDK shape into the io.Writer using the +// Marshalers HandlerList provided. Returns an error if unable if marshal +// fails. +func (h HandlerPayloadMarshal) MarshalPayload(w io.Writer, v interface{}) error { + req := request.New( + aws.Config{}, + metadata.ClientInfo{}, + request.Handlers{}, + nil, + &request.Operation{HTTPMethod: "GET"}, + v, + nil, + ) + + h.Marshalers.Run(req) + + if req.Error != nil { + return req.Error + } + + io.Copy(w, req.GetBody()) + + return nil +} |