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/*
Copyright 2014 Google Inc. All rights reserved.
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.
*/
package kubecfg
import (
"fmt"
"reflect"
"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
)
type Parser struct {
storageToType map[string]reflect.Type
}
// NewParser creates a new parser.
func NewParser(objectMap map[string]runtime.Object) *Parser {
typeMap := make(map[string]reflect.Type)
for name, obj := range objectMap {
typeMap[name] = reflect.TypeOf(obj).Elem()
}
return &Parser{typeMap}
}
// ToWireFormat takes input 'data' as either json or yaml, checks that it parses as the
// appropriate object type, and returns json for sending to the API or an error.
func (p *Parser) ToWireFormat(data []byte, storage string, decode runtime.Codec, encode runtime.Codec) ([]byte, error) {
prototypeType, found := p.storageToType[storage]
if !found {
return nil, fmt.Errorf("unknown storage type: %v", storage)
}
obj := reflect.New(prototypeType).Interface().(runtime.Object)
err := decode.DecodeInto(data, obj)
if err != nil {
return nil, err
}
return encode.Encode(obj)
}
func (p *Parser) SupportedWireStorage() []string {
types := []string{}
for k := range p.storageToType {
types = append(types, k)
}
return types
}
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