diff options
Diffstat (limited to 'vendor/k8s.io/apimachinery/pkg/runtime/serializer/json/meta.go')
-rw-r--r-- | vendor/k8s.io/apimachinery/pkg/runtime/serializer/json/meta.go | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/serializer/json/meta.go b/vendor/k8s.io/apimachinery/pkg/runtime/serializer/json/meta.go new file mode 100644 index 000000000..df3f5f989 --- /dev/null +++ b/vendor/k8s.io/apimachinery/pkg/runtime/serializer/json/meta.go @@ -0,0 +1,63 @@ +/* +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. +*/ + +package json + +import ( + "encoding/json" + "fmt" + + "k8s.io/apimachinery/pkg/runtime/schema" +) + +// MetaFactory is used to store and retrieve the version and kind +// information for JSON objects in a serializer. +type MetaFactory interface { + // Interpret should return the version and kind of the wire-format of + // the object. + Interpret(data []byte) (*schema.GroupVersionKind, error) +} + +// DefaultMetaFactory is a default factory for versioning objects in JSON. The object +// in memory and in the default JSON serialization will use the "kind" and "apiVersion" +// fields. +var DefaultMetaFactory = SimpleMetaFactory{} + +// SimpleMetaFactory provides default methods for retrieving the type and version of objects +// that are identified with an "apiVersion" and "kind" fields in their JSON +// serialization. It may be parameterized with the names of the fields in memory, or an +// optional list of base structs to search for those fields in memory. +type SimpleMetaFactory struct { +} + +// Interpret will return the APIVersion and Kind of the JSON wire-format +// encoding of an object, or an error. +func (SimpleMetaFactory) Interpret(data []byte) (*schema.GroupVersionKind, error) { + findKind := struct { + // +optional + APIVersion string `json:"apiVersion,omitempty"` + // +optional + Kind string `json:"kind,omitempty"` + }{} + if err := json.Unmarshal(data, &findKind); err != nil { + return nil, fmt.Errorf("couldn't get version/kind; json parse error: %v", err) + } + gv, err := schema.ParseGroupVersion(findKind.APIVersion) + if err != nil { + return nil, err + } + return &schema.GroupVersionKind{Group: gv.Group, Version: gv.Version, Kind: findKind.Kind}, nil +} |