1 files changed, 245 insertions, 0 deletions
diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/serializer/json/json.go b/vendor/k8s.io/apimachinery/pkg/runtime/serializer/json/json.go
new file mode 100644
index 000000000..28bb91b53
--- /dev/null
+++ b/vendor/k8s.io/apimachinery/pkg/runtime/serializer/json/json.go
@@ -0,0 +1,245 @@
+/*
+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"
+	"io"
+
+	"github.com/ghodss/yaml"
+	"github.com/ugorji/go/codec"
+
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/runtime/serializer/recognizer"
+	"k8s.io/apimachinery/pkg/util/framer"
+	utilyaml "k8s.io/apimachinery/pkg/util/yaml"
+)
+
+// NewSerializer creates a JSON serializer that handles encoding versioned objects into the proper JSON form. If typer
+// is not nil, the object has the group, version, and kind fields set.
+func NewSerializer(meta MetaFactory, creater runtime.ObjectCreater, typer runtime.ObjectTyper, pretty bool) *Serializer {
+	return &Serializer{
+		meta:    meta,
+		creater: creater,
+		typer:   typer,
+		yaml:    false,
+		pretty:  pretty,
+	}
+}
+
+// NewYAMLSerializer creates a YAML serializer that handles encoding versioned objects into the proper YAML form. If typer
+// is not nil, the object has the group, version, and kind fields set. This serializer supports only the subset of YAML that
+// matches JSON, and will error if constructs are used that do not serialize to JSON.
+func NewYAMLSerializer(meta MetaFactory, creater runtime.ObjectCreater, typer runtime.ObjectTyper) *Serializer {
+	return &Serializer{
+		meta:    meta,
+		creater: creater,
+		typer:   typer,
+		yaml:    true,
+	}
+}
+
+type Serializer struct {
+	meta    MetaFactory
+	creater runtime.ObjectCreater
+	typer   runtime.ObjectTyper
+	yaml    bool
+	pretty  bool
+}
+
+// Serializer implements Serializer
+var _ runtime.Serializer = &Serializer{}
+var _ recognizer.RecognizingDecoder = &Serializer{}
+
+// Decode attempts to convert the provided data into YAML or JSON, extract the stored schema kind, apply the provided default gvk, and then
+// load that data into an object matching the desired schema kind or the provided into. If into is *runtime.Unknown, the raw data will be
+// extracted and no decoding will be performed. If into is not registered with the typer, then the object will be straight decoded using
+// normal JSON/YAML unmarshalling. If into is provided and the original data is not fully qualified with kind/version/group, the type of
+// the into will be used to alter the returned gvk. On success or most errors, the method will return the calculated schema kind.
+func (s *Serializer) Decode(originalData []byte, gvk *schema.GroupVersionKind, into runtime.Object) (runtime.Object, *schema.GroupVersionKind, error) {
+	if versioned, ok := into.(*runtime.VersionedObjects); ok {
+		into = versioned.Last()
+		obj, actual, err := s.Decode(originalData, gvk, into)
+		if err != nil {
+			return nil, actual, err
+		}
+		versioned.Objects = []runtime.Object{obj}
+		return versioned, actual, nil
+	}
+
+	data := originalData
+	if s.yaml {
+		altered, err := yaml.YAMLToJSON(data)
+		if err != nil {
+			return nil, nil, err
+		}
+		data = altered
+	}
+
+	actual, err := s.meta.Interpret(data)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	if gvk != nil {
+		// apply kind and version defaulting from provided default
+		if len(actual.Kind) == 0 {
+			actual.Kind = gvk.Kind
+		}
+		if len(actual.Version) == 0 && len(actual.Group) == 0 {
+			actual.Group = gvk.Group
+			actual.Version = gvk.Version
+		}
+		if len(actual.Version) == 0 && actual.Group == gvk.Group {
+			actual.Version = gvk.Version
+		}
+	}
+
+	if unk, ok := into.(*runtime.Unknown); ok && unk != nil {
+		unk.Raw = originalData
+		unk.ContentType = runtime.ContentTypeJSON
+		unk.GetObjectKind().SetGroupVersionKind(*actual)
+		return unk, actual, nil
+	}
+
+	if into != nil {
+		types, _, err := s.typer.ObjectKinds(into)
+		switch {
+		case runtime.IsNotRegisteredError(err):
+			if err := codec.NewDecoderBytes(data, new(codec.JsonHandle)).Decode(into); err != nil {
+				return nil, actual, err
+			}
+			return into, actual, nil
+		case err != nil:
+			return nil, actual, err
+		default:
+			typed := types[0]
+			if len(actual.Kind) == 0 {
+				actual.Kind = typed.Kind
+			}
+			if len(actual.Version) == 0 && len(actual.Group) == 0 {
+				actual.Group = typed.Group
+				actual.Version = typed.Version
+			}
+			if len(actual.Version) == 0 && actual.Group == typed.Group {
+				actual.Version = typed.Version
+			}
+		}
+	}
+
+	if len(actual.Kind) == 0 {
+		return nil, actual, runtime.NewMissingKindErr(string(originalData))
+	}
+	if len(actual.Version) == 0 {
+		return nil, actual, runtime.NewMissingVersionErr(string(originalData))
+	}
+
+	// use the target if necessary
+	obj, err := runtime.UseOrCreateObject(s.typer, s.creater, *actual, into)
+	if err != nil {
+		return nil, actual, err
+	}
+
+	if err := codec.NewDecoderBytes(data, new(codec.JsonHandle)).Decode(obj); err != nil {
+		return nil, actual, err
+	}
+	return obj, actual, nil
+}
+
+// Encode serializes the provided object to the given writer.
+func (s *Serializer) Encode(obj runtime.Object, w io.Writer) error {
+	if s.yaml {
+		json, err := json.Marshal(obj)
+		if err != nil {
+			return err
+		}
+		data, err := yaml.JSONToYAML(json)
+		if err != nil {
+			return err
+		}
+		_, err = w.Write(data)
+		return err
+	}
+
+	if s.pretty {
+		data, err := json.MarshalIndent(obj, "", "  ")
+		if err != nil {
+			return err
+		}
+		_, err = w.Write(data)
+		return err
+	}
+	encoder := json.NewEncoder(w)
+	return encoder.Encode(obj)
+}
+
+// RecognizesData implements the RecognizingDecoder interface.
+func (s *Serializer) RecognizesData(peek io.Reader) (ok, unknown bool, err error) {
+	if s.yaml {
+		// we could potentially look for '---'
+		return false, true, nil
+	}
+	_, _, ok = utilyaml.GuessJSONStream(peek, 2048)
+	return ok, false, nil
+}
+
+// Framer is the default JSON framing behavior, with newlines delimiting individual objects.
+var Framer = jsonFramer{}
+
+type jsonFramer struct{}
+
+// NewFrameWriter implements stream framing for this serializer
+func (jsonFramer) NewFrameWriter(w io.Writer) io.Writer {
+	// we can write JSON objects directly to the writer, because they are self-framing
+	return w
+}
+
+// NewFrameReader implements stream framing for this serializer
+func (jsonFramer) NewFrameReader(r io.ReadCloser) io.ReadCloser {
+	// we need to extract the JSON chunks of data to pass to Decode()
+	return framer.NewJSONFramedReader(r)
+}
+
+// Framer is the default JSON framing behavior, with newlines delimiting individual objects.
+var YAMLFramer = yamlFramer{}
+
+type yamlFramer struct{}
+
+// NewFrameWriter implements stream framing for this serializer
+func (yamlFramer) NewFrameWriter(w io.Writer) io.Writer {
+	return yamlFrameWriter{w}
+}
+
+// NewFrameReader implements stream framing for this serializer
+func (yamlFramer) NewFrameReader(r io.ReadCloser) io.ReadCloser {
+	// extract the YAML document chunks directly
+	return utilyaml.NewDocumentDecoder(r)
+}
+
+type yamlFrameWriter struct {
+	w io.Writer
+}
+
+// Write separates each document with the YAML document separator (`---` followed by line
+// break). Writers must write well formed YAML documents (include a final line break).
+func (w yamlFrameWriter) Write(data []byte) (n int, err error) {
+	if _, err := w.w.Write([]byte("---\n")); err != nil {
+		return 0, err
+	}
+	return w.w.Write(data)
+}