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vendor/github.com/docker/distribution/registry/api/errcode/handler.go
44 строки
996 B
Daniel Nephin
Add vendor
18 апр 2017, 01:12
18 апр 2017, 01:12
6686ada
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package errcode import ( "encoding/json" "net/http" ) // ServeJSON attempts to serve the errcode in a JSON envelope. It marshals err // and sets the content-type header to 'application/json'. It will handle // ErrorCoder and Errors, and if necessary will create an envelope. func ServeJSON(w http.ResponseWriter, err error) error { w.Header().Set("Content-Type", "application/json; charset=utf-8") var sc int switch errs := err.(type) { case Errors: if len(errs) < 1 { break } if err, ok := errs[0].(ErrorCoder); ok { sc = err.ErrorCode().Descriptor().HTTPStatusCode } case ErrorCoder: sc = errs.ErrorCode().Descriptor().HTTPStatusCode err = Errors{err} // create an envelope. default: // We just have an unhandled error type, so just place in an envelope // and move along. err = Errors{err} } if sc == 0 { sc = http.StatusInternalServerError } w.WriteHeader(sc) if err := json.NewEncoder(w).Encode(err); err != nil { return err } return nil }