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/*
Copyright 2014 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Defines conversions between generic types and structs to map query strings
// to struct objects.
package runtime
import (
"reflect"
"strconv"
"strings"
"k8s.io/kubernetes/pkg/conversion"
)
// JSONKeyMapper uses the struct tags on a conversion to determine the key value for
// the other side. Use when mapping from a map[string]* to a struct or vice versa.
func JSONKeyMapper(key string, sourceTag, destTag reflect.StructTag) (string, string) {
if s := destTag.Get("json"); len(s) > 0 {
return strings.SplitN(s, ",", 2)[0], key
}
if s := sourceTag.Get("json"); len(s) > 0 {
return key, strings.SplitN(s, ",", 2)[0]
}
return key, key
}
// DefaultStringConversions are helpers for converting []string and string to real values.
var DefaultStringConversions = []interface{}{
Convert_Slice_string_To_string,
Convert_Slice_string_To_int,
Convert_Slice_string_To_bool,
Convert_Slice_string_To_int64,
}
func Convert_Slice_string_To_string(input *[]string, out *string, s conversion.Scope) error {
if len(*input) == 0 {
*out = ""
}
*out = (*input)[0]
return nil
}
func Convert_Slice_string_To_int(input *[]string, out *int, s conversion.Scope) error {
if len(*input) == 0 {
*out = 0
}
str := (*input)[0]
i, err := strconv.Atoi(str)
if err != nil {
return err
}
*out = i
return nil
}
// Conver_Slice_string_To_bool will convert a string parameter to boolean.
// Only the absence of a value, a value of "false", or a value of "0" resolve to false.
// Any other value (including empty string) resolves to true.
func Convert_Slice_string_To_bool(input *[]string, out *bool, s conversion.Scope) error {
if len(*input) == 0 {
*out = false
return nil
}
switch strings.ToLower((*input)[0]) {
case "false", "0":
*out = false
default:
*out = true
}
return nil
}
func Convert_Slice_string_To_int64(input *[]string, out *int64, s conversion.Scope) error {
if len(*input) == 0 {
*out = 0
}
str := (*input)[0]
i, err := strconv.ParseInt(str, 10, 64)
if err != nil {
return err
}
*out = i
return nil
}
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