1 files changed, 174 insertions, 0 deletions
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
+}