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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| package gateway | ||
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| import ( | ||
| "github.com/gogo/googleapis/google/api" | ||
| "github.com/grpc-ecosystem/grpc-gateway/runtime" | ||
| ) | ||
|
|
||
| // HTTPBodyMarshaler is a Marshaler which supports marshaling of a | ||
| // google.api.HttpBody message as the full response body if it is | ||
| // the actual message used as the response. If not, then this will | ||
| // simply fallback to the Marshaler specified as its default Marshaler. | ||
| type HTTPBodyMarshaler struct { | ||
| runtime.Marshaler | ||
| } | ||
|
|
||
| // ContentType implementation to keep backwards compatability with marshal interface | ||
| func (h *HTTPBodyMarshaler) ContentType() string { | ||
| return h.ContentTypeFromMessage(nil) | ||
| } | ||
|
|
||
| // ContentTypeFromMessage in case v is a google.api.HttpBody message it returns | ||
| // its specified content type otherwise fall back to the default Marshaler. | ||
| func (h *HTTPBodyMarshaler) ContentTypeFromMessage(v interface{}) string { | ||
| if httpBody, ok := v.(*api.HttpBody); ok { | ||
| return httpBody.GetContentType() | ||
| } | ||
| return h.Marshaler.ContentType() | ||
| } | ||
|
|
||
| // Marshal marshals "v" by returning the body bytes if v is a | ||
| // google.api.HttpBody message, otherwise it falls back to the default Marshaler. | ||
| func (h *HTTPBodyMarshaler) Marshal(v interface{}) ([]byte, error) { | ||
| if httpBody, ok := v.(*api.HttpBody); ok { | ||
| return httpBody.Data, nil | ||
| } | ||
| return h.Marshaler.Marshal(v) | ||
| } |