From cf7a05f80f68b5b1c8bcc0089679dd497cec2506 Mon Sep 17 00:00:00 2001 From: =Corey Hulen Date: Sun, 14 Jun 2015 23:53:32 -0800 Subject: first commit --- .../aws-sdk-go/internal/protocol/rest/unmarshal.go | 174 +++++++++++++++++++++ 1 file changed, 174 insertions(+) create mode 100644 Godeps/_workspace/src/github.com/awslabs/aws-sdk-go/internal/protocol/rest/unmarshal.go (limited to 'Godeps/_workspace/src/github.com/awslabs/aws-sdk-go/internal/protocol/rest/unmarshal.go') diff --git a/Godeps/_workspace/src/github.com/awslabs/aws-sdk-go/internal/protocol/rest/unmarshal.go b/Godeps/_workspace/src/github.com/awslabs/aws-sdk-go/internal/protocol/rest/unmarshal.go new file mode 100644 index 000000000..d0e216c1e --- /dev/null +++ b/Godeps/_workspace/src/github.com/awslabs/aws-sdk-go/internal/protocol/rest/unmarshal.go @@ -0,0 +1,174 @@ +package rest + +import ( + "encoding/base64" + "fmt" + "io/ioutil" + "net/http" + "reflect" + "strconv" + "strings" + "time" + + "github.com/awslabs/aws-sdk-go/aws" +) + +func Unmarshal(r *aws.Request) { + if r.DataFilled() { + v := reflect.Indirect(reflect.ValueOf(r.Data)) + unmarshalBody(r, v) + unmarshalLocationElements(r, v) + } +} + +func unmarshalBody(r *aws.Request, v reflect.Value) { + if field, ok := v.Type().FieldByName("SDKShapeTraits"); ok { + if payloadName := field.Tag.Get("payload"); payloadName != "" { + pfield, _ := v.Type().FieldByName(payloadName) + if ptag := pfield.Tag.Get("type"); ptag != "" && ptag != "structure" { + payload := reflect.Indirect(v.FieldByName(payloadName)) + if payload.IsValid() { + switch payload.Interface().(type) { + case []byte: + b, err := ioutil.ReadAll(r.HTTPResponse.Body) + if err != nil { + r.Error = err + } else { + payload.Set(reflect.ValueOf(b)) + } + case string: + b, err := ioutil.ReadAll(r.HTTPResponse.Body) + if err != nil { + r.Error = err + } else { + payload.Set(reflect.ValueOf(string(b))) + } + default: + switch payload.Type().String() { + case "io.ReadSeeker": + payload.Set(reflect.ValueOf(aws.ReadSeekCloser(r.HTTPResponse.Body))) + case "aws.ReadSeekCloser", "io.ReadCloser": + payload.Set(reflect.ValueOf(r.HTTPResponse.Body)) + default: + r.Error = fmt.Errorf("unknown payload type %s", payload.Type()) + } + } + } + } + } + } +} + +func unmarshalLocationElements(r *aws.Request, v reflect.Value) { + for i := 0; i < v.NumField(); i++ { + m, field := v.Field(i), v.Type().Field(i) + if n := field.Name; n[0:1] == strings.ToLower(n[0:1]) { + continue + } + + if m.IsValid() { + name := field.Tag.Get("locationName") + if name == "" { + name = field.Name + } + + switch field.Tag.Get("location") { + case "statusCode": + unmarshalStatusCode(m, r.HTTPResponse.StatusCode) + case "header": + err := unmarshalHeader(m, r.HTTPResponse.Header.Get(name)) + if err != nil { + r.Error = err + break + } + case "headers": + prefix := field.Tag.Get("locationName") + err := unmarshalHeaderMap(m, r.HTTPResponse.Header, prefix) + if err != nil { + r.Error = err + break + } + } + } + if r.Error != nil { + return + } + } +} + +func unmarshalStatusCode(v reflect.Value, statusCode int) { + if !v.IsValid() { + return + } + + switch v.Interface().(type) { + case *int64: + s := int64(statusCode) + v.Set(reflect.ValueOf(&s)) + } +} + +func unmarshalHeaderMap(r reflect.Value, headers http.Header, prefix string) error { + switch r.Interface().(type) { + case *map[string]*string: // we only support string map value types + out := map[string]*string{} + for k, v := range headers { + k = http.CanonicalHeaderKey(k) + if strings.HasPrefix(strings.ToLower(k), strings.ToLower(prefix)) { + out[k[len(prefix):]] = &v[0] + } + } + r.Set(reflect.ValueOf(&out)) + } + return nil +} + +func unmarshalHeader(v reflect.Value, header string) error { + if !v.IsValid() || (header == "" && v.Elem().Kind() != reflect.String) { + return nil + } + + switch v.Interface().(type) { + case *string: + v.Set(reflect.ValueOf(&header)) + case []byte: + b, err := base64.StdEncoding.DecodeString(header) + if err != nil { + return err + } else { + v.Set(reflect.ValueOf(&b)) + } + case *bool: + b, err := strconv.ParseBool(header) + if err != nil { + return err + } else { + v.Set(reflect.ValueOf(&b)) + } + case *int64: + i, err := strconv.ParseInt(header, 10, 64) + if err != nil { + return err + } else { + v.Set(reflect.ValueOf(&i)) + } + case *float64: + f, err := strconv.ParseFloat(header, 64) + if err != nil { + return err + } else { + v.Set(reflect.ValueOf(&f)) + } + case *time.Time: + t, err := time.Parse(RFC822, header) + if err != nil { + return err + } else { + v.Set(reflect.ValueOf(&t)) + } + default: + err := fmt.Errorf("Unsupported value for param %v (%s)", v.Interface(), v.Type()) + return err + } + return nil +} -- cgit v1.2.3-1-g7c22