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package awstesting
import (
"fmt"
"reflect"
"strings"
"github.com/aws/aws-sdk-go/private/model/api"
"github.com/aws/aws-sdk-go/private/util"
)
// A paramFiller provides string formatting for a shape and its types.
type paramFiller struct {
prefixPackageName bool
}
// typeName returns the type name of a shape.
func (f paramFiller) typeName(shape *api.Shape) string {
if f.prefixPackageName && shape.Type == "structure" {
return "*" + shape.API.PackageName() + "." + shape.GoTypeElem()
}
return shape.GoType()
}
// ParamsStructFromJSON returns a JSON string representation of a structure.
func ParamsStructFromJSON(value interface{}, shape *api.Shape, prefixPackageName bool) string {
f := paramFiller{prefixPackageName: prefixPackageName}
return util.GoFmt(f.paramsStructAny(value, shape))
}
// paramsStructAny returns the string representation of any value.
func (f paramFiller) paramsStructAny(value interface{}, shape *api.Shape) string {
if value == nil {
return ""
}
switch shape.Type {
case "structure":
if value != nil {
vmap := value.(map[string]interface{})
return f.paramsStructStruct(vmap, shape)
}
case "list":
vlist := value.([]interface{})
return f.paramsStructList(vlist, shape)
case "map":
vmap := value.(map[string]interface{})
return f.paramsStructMap(vmap, shape)
case "string", "character":
v := reflect.Indirect(reflect.ValueOf(value))
if v.IsValid() {
return fmt.Sprintf("aws.String(%#v)", v.Interface())
}
case "blob":
v := reflect.Indirect(reflect.ValueOf(value))
if v.IsValid() && shape.Streaming {
return fmt.Sprintf("aws.ReadSeekCloser(bytes.NewBufferString(%#v))", v.Interface())
} else if v.IsValid() {
return fmt.Sprintf("[]byte(%#v)", v.Interface())
}
case "boolean":
v := reflect.Indirect(reflect.ValueOf(value))
if v.IsValid() {
return fmt.Sprintf("aws.Bool(%#v)", v.Interface())
}
case "integer", "long":
v := reflect.Indirect(reflect.ValueOf(value))
if v.IsValid() {
return fmt.Sprintf("aws.Int64(%v)", v.Interface())
}
case "float", "double":
v := reflect.Indirect(reflect.ValueOf(value))
if v.IsValid() {
return fmt.Sprintf("aws.Float64(%v)", v.Interface())
}
case "timestamp":
v := reflect.Indirect(reflect.ValueOf(value))
if v.IsValid() {
return fmt.Sprintf("aws.Time(time.Unix(%d, 0))", int(v.Float()))
}
default:
panic("Unhandled type " + shape.Type)
}
return ""
}
// paramsStructStruct returns the string representation of a structure
func (f paramFiller) paramsStructStruct(value map[string]interface{}, shape *api.Shape) string {
out := "&" + f.typeName(shape)[1:] + "{\n"
for _, n := range shape.MemberNames() {
ref := shape.MemberRefs[n]
name := findParamMember(value, n)
if val := f.paramsStructAny(value[name], ref.Shape); val != "" {
out += fmt.Sprintf("%s: %s,\n", n, val)
}
}
out += "}"
return out
}
// paramsStructMap returns the string representation of a map of values
func (f paramFiller) paramsStructMap(value map[string]interface{}, shape *api.Shape) string {
out := f.typeName(shape) + "{\n"
keys := SortedKeys(value)
for _, k := range keys {
v := value[k]
out += fmt.Sprintf("%q: %s,\n", k, f.paramsStructAny(v, shape.ValueRef.Shape))
}
out += "}"
return out
}
// paramsStructList returns the string representation of slice of values
func (f paramFiller) paramsStructList(value []interface{}, shape *api.Shape) string {
out := f.typeName(shape) + "{\n"
for _, v := range value {
out += fmt.Sprintf("%s,\n", f.paramsStructAny(v, shape.MemberRef.Shape))
}
out += "}"
return out
}
// findParamMember searches a map for a key ignoring case. Returns the map key if found.
func findParamMember(value map[string]interface{}, key string) string {
for actualKey := range value {
if strings.ToLower(key) == strings.ToLower(actualKey) {
return actualKey
}
}
return ""
}
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