go-ceph/rgw/admin/utils.go

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package admin
import (
"fmt"
"net/url"
"reflect"
"strings"
)
const (
queryAdminPath = "/admin"
)
func buildQueryPath(endpoint, path, args string) string {
return fmt.Sprintf("%s%s%s?%s", endpoint, queryAdminPath, path, args)
}
// valueToURLParams encodes structs into URL query parameters.
func valueToURLParams(i interface{}) url.Values {
values := url.Values{}
// Always return json
values.Add("format", "json")
getReflect(i, &values)
return values
}
func getReflect(i interface{}, values *url.Values) {
t := reflect.TypeOf(i)
v := reflect.ValueOf(i)
for b := 0; b < v.NumField(); b++ {
v2 := v.Field(b)
name := t.Field(b).Tag.Get("url")
for _, name := range strings.Split(name, ",") {
if v2.Kind() == reflect.Struct {
getReflect(v2.Interface(), values)
}
if v2.Kind() == reflect.Slice {
for i := 0; i < v2.Len(); i++ {
item := v2.Index(i)
getReflect(item.Interface(), values)
}
}
if v2.Kind() == reflect.String ||
v2.Kind() == reflect.Bool ||
v2.Kind() == reflect.Int {
_v2 := fmt.Sprint(v2)
if len(_v2) > 0 && len(name) > 0 {
values.Add(name, _v2)
}
}
if v2.Kind() == reflect.Ptr && v2.IsValid() && !v2.IsNil() {
_v2 := fmt.Sprint(v2.Elem())
values.Add(name, _v2)
}
}
}
}