Golang json.NewYAMLSerializer函數代碼示例

func TestRecognizer(t *testing.T) {
	s := runtime.NewScheme()
	s.AddKnownTypes(schema.GroupVersion{Version: "v1"}, &A{})
	d := recognizer.NewDecoder(
		json.NewSerializer(json.DefaultMetaFactory, s, s, false),
		json.NewYAMLSerializer(json.DefaultMetaFactory, s, s),
	)
	out, _, err := d.Decode([]byte(`
kind: A
apiVersion: v1
`), nil, nil)
	if err != nil {
		t.Fatal(err)
	}
	t.Logf("%#v", out)

	out, _, err = d.Decode([]byte(`
{
  "kind":"A",
  "apiVersion":"v1"
}
`), nil, nil)
	if err != nil {
		t.Fatal(err)
	}
	t.Logf("%#v", out)
}

func newSerializersForScheme(scheme *runtime.Scheme, mf json.MetaFactory) []serializerType {
	jsonSerializer := json.NewSerializer(mf, scheme, scheme, false)
	jsonPrettySerializer := json.NewSerializer(mf, scheme, scheme, true)
	yamlSerializer := json.NewYAMLSerializer(mf, scheme, scheme)

	serializers := []serializerType{
		{
			AcceptContentTypes: []string{"application/json"},
			ContentType:        "application/json",
			FileExtensions:     []string{"json"},
			EncodesAsText:      true,
			Serializer:         jsonSerializer,
			PrettySerializer:   jsonPrettySerializer,

			Framer:           json.Framer,
			StreamSerializer: jsonSerializer,
		},
		{
			AcceptContentTypes: []string{"application/yaml"},
			ContentType:        "application/yaml",
			FileExtensions:     []string{"yaml"},
			EncodesAsText:      true,
			Serializer:         yamlSerializer,
		},
	}

	for _, fn := range serializerExtensions {
		if serializer, ok := fn(scheme); ok {
			serializers = append(serializers, serializer)
		}
	}
	return serializers
}

func newSerializersForScheme(scheme *runtime.Scheme, mf json.MetaFactory) []serializerType {
	jsonSerializer := json.NewSerializer(mf, scheme, runtime.ObjectTyperToTyper(scheme), false)
	jsonPrettySerializer := json.NewSerializer(mf, scheme, runtime.ObjectTyperToTyper(scheme), true)
	serializers := []serializerType{
		{
			AcceptContentTypes: []string{"application/json"},
			ContentType:        "application/json",
			FileExtensions:     []string{"json"},
			Serializer:         jsonSerializer,
			PrettySerializer:   jsonPrettySerializer,
		},
	}
	yamlSerializer := json.NewYAMLSerializer(mf, scheme, runtime.ObjectTyperToTyper(scheme))
	serializers = append(serializers, serializerType{
		AcceptContentTypes: []string{"application/yaml"},
		ContentType:        "application/yaml",
		FileExtensions:     []string{"yaml"},
		Serializer:         yamlSerializer,
	})

	for _, fn := range serializerExtensions {
		if serializer, ok := fn(scheme); ok {
			serializers = append(serializers, serializer)
		}
	}
	return serializers
}

func init() {
	yamlSerializer := json.NewYAMLSerializer(json.DefaultMetaFactory, api.Scheme, api.Scheme)
	Codec = versioning.NewCodecForScheme(
		api.Scheme,
		yamlSerializer,
		yamlSerializer,
		unversioned.GroupVersion{Version: Version},
		runtime.InternalGroupVersioner,
	)
}

func init() {
	yamlSerializer := json.NewYAMLSerializer(json.DefaultMetaFactory, api.Scheme, runtime.ObjectTyperToTyper(api.Scheme))
	Codec = versioning.NewCodecForScheme(
		api.Scheme,
		yamlSerializer,
		yamlSerializer,
		[]unversioned.GroupVersion{{Version: Version}},
		[]unversioned.GroupVersion{{Version: runtime.APIVersionInternal}},
	)
}

func init() {
	Scheme = runtime.NewScheme()
	if err := api.AddToScheme(Scheme); err != nil {
		// Programmer error, detect immediately
		panic(err)
	}
	if err := v1.AddToScheme(Scheme); err != nil {
		// Programmer error, detect immediately
		panic(err)
	}
	yamlSerializer := json.NewYAMLSerializer(json.DefaultMetaFactory, Scheme, Scheme)
	Codec = versioning.NewCodecForScheme(
		Scheme,
		yamlSerializer,
		yamlSerializer,
		unversioned.GroupVersion{Version: Version},
		runtime.InternalGroupVersioner,
	)
}

func newSerializersForScheme(scheme *runtime.Scheme, mf json.MetaFactory) []serializerType {
	jsonSerializer := json.NewSerializer(mf, scheme, scheme, false)
	jsonPrettySerializer := json.NewSerializer(mf, scheme, scheme, true)
	yamlSerializer := json.NewYAMLSerializer(mf, scheme, scheme)

	serializers := []serializerType{
		{
			AcceptContentTypes: []string{"application/json"},
			ContentType:        "application/json",
			FileExtensions:     []string{"json"},
			EncodesAsText:      true,
			Serializer:         jsonSerializer,
			PrettySerializer:   jsonPrettySerializer,

			AcceptStreamContentTypes: []string{"application/json", "application/json;stream=watch"},
			StreamContentType:        "application/json",
			Framer:                   json.Framer,
			StreamSerializer:         jsonSerializer,
		},
		{
			AcceptContentTypes: []string{"application/yaml"},
			ContentType:        "application/yaml",
			FileExtensions:     []string{"yaml"},
			EncodesAsText:      true,
			Serializer:         yamlSerializer,

			// TODO: requires runtime.RawExtension to properly distinguish when the nested content is
			// yaml, because the yaml encoder invokes MarshalJSON first
			//AcceptStreamContentTypes: []string{"application/yaml", "application/yaml;stream=watch"},
			//StreamContentType:        "application/yaml;stream=watch",
			//Framer:                   json.YAMLFramer,
			//StreamSerializer:         yamlSerializer,
		},
	}

	for _, fn := range serializerExtensions {
		if serializer, ok := fn(scheme); ok {
			serializers = append(serializers, serializer)
		}
	}
	return serializers
}

// newCodecFactory is a helper for testing that allows a different metafactory to be specified.
func newCodecFactory(scheme *runtime.Scheme, mf json.MetaFactory) CodecFactory {
	jsonSerializer := json.NewSerializer(mf, scheme, runtime.ObjectTyperToTyper(scheme), false)
	jsonPrettySerializer := json.NewSerializer(mf, scheme, runtime.ObjectTyperToTyper(scheme), true)
	yamlSerializer := json.NewYAMLSerializer(mf, scheme, runtime.ObjectTyperToTyper(scheme))
	serializers := []serializerType{
		{
			AcceptContentTypes: []string{"application/json"},
			ContentType:        "application/json",
			FileExtensions:     []string{"json"},
			Serializer:         jsonSerializer,
			PrettySerializer:   jsonPrettySerializer,
		},
		{
			AcceptContentTypes: []string{"application/yaml"},
			ContentType:        "application/yaml",
			FileExtensions:     []string{"yaml"},
			Serializer:         yamlSerializer,
		},
	}
	decoders := make([]runtime.Decoder, 0, len(serializers))
	accepts := []string{}
	alreadyAccepted := make(map[string]struct{})
	for _, d := range serializers {
		decoders = append(decoders, d.Serializer)
		for _, mediaType := range d.AcceptContentTypes {
			if _, ok := alreadyAccepted[mediaType]; ok {
				continue
			}
			alreadyAccepted[mediaType] = struct{}{}
			accepts = append(accepts, mediaType)
		}
	}
	return CodecFactory{
		scheme:      scheme,
		serializers: serializers,
		universal:   recognizer.NewDecoder(decoders...),
		accepts:     accepts,

		legacySerializer: jsonSerializer,
	}
}

//.........這裏部分代碼省略.........
			},
		},
		// registered types get defaulted by the into object kind
		{
			data:        []byte(`{"value":1,"Other":"test"}`),
			into:        &testDecodable{},
			typer:       &mockTyper{gvk: &schema.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"}},
			expectedGVK: &schema.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
			expectedObject: &testDecodable{
				Other: "test",
				Value: 1,
			},
		},
		// registered types get defaulted by the into object kind even without version, but return an error
		{
			data:        []byte(`{"value":1,"Other":"test"}`),
			into:        &testDecodable{},
			typer:       &mockTyper{gvk: &schema.GroupVersionKind{Kind: "Test", Group: "other", Version: ""}},
			expectedGVK: &schema.GroupVersionKind{Kind: "Test", Group: "other", Version: ""},
			errFn:       func(err error) bool { return strings.Contains(err.Error(), "Object 'apiVersion' is missing in") },
			expectedObject: &testDecodable{
				Other: "test",
				Value: 1,
			},
		},

		// runtime.VersionedObjects are decoded
		{
			data:        []byte(`{"value":1,"Other":"test"}`),
			into:        &runtime.VersionedObjects{Objects: []runtime.Object{}},
			creater:     &mockCreater{obj: &testDecodable{}},
			typer:       &mockTyper{gvk: &schema.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"}},
			defaultGVK:  &schema.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
			expectedGVK: &schema.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
			expectedObject: &runtime.VersionedObjects{
				Objects: []runtime.Object{
					&testDecodable{
						Other: "test",
						Value: 1,
					},
				},
			},
		},
		// runtime.VersionedObjects with an object are decoded into
		{
			data:        []byte(`{"Other":"test"}`),
			into:        &runtime.VersionedObjects{Objects: []runtime.Object{&testDecodable{Value: 2}}},
			typer:       &mockTyper{gvk: &schema.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"}},
			expectedGVK: &schema.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
			expectedObject: &runtime.VersionedObjects{
				Objects: []runtime.Object{
					&testDecodable{
						Other: "test",
						Value: 2,
					},
				},
			},
		},
	}

	for i, test := range testCases {
		var s runtime.Serializer
		if test.yaml {
			s = json.NewYAMLSerializer(json.DefaultMetaFactory, test.creater, test.typer)
		} else {
			s = json.NewSerializer(json.DefaultMetaFactory, test.creater, test.typer, test.pretty)
		}
		obj, gvk, err := s.Decode([]byte(test.data), test.defaultGVK, test.into)

		if !reflect.DeepEqual(test.expectedGVK, gvk) {
			t.Errorf("%d: unexpected GVK: %v", i, gvk)
		}

		switch {
		case err == nil && test.errFn != nil:
			t.Errorf("%d: failed: %v", i, err)
			continue
		case err != nil && test.errFn == nil:
			t.Errorf("%d: failed: %v", i, err)
			continue
		case err != nil:
			if !test.errFn(err) {
				t.Errorf("%d: failed: %v", i, err)
			}
			if obj != nil {
				t.Errorf("%d: should have returned nil object", i)
			}
			continue
		}

		if test.into != nil && test.into != obj {
			t.Errorf("%d: expected into to be returned: %v", i, obj)
			continue
		}

		if !reflect.DeepEqual(test.expectedObject, obj) {
			t.Errorf("%d: unexpected object:\n%s", i, diff.ObjectGoPrintSideBySide(test.expectedObject, obj))
		}
	}
}

import (
	"k8s.io/kubernetes/pkg/api/unversioned"
	"k8s.io/kubernetes/pkg/client/unversioned/clientcmd/api"
	_ "k8s.io/kubernetes/pkg/client/unversioned/clientcmd/api/v1"
	"k8s.io/kubernetes/pkg/runtime"
	"k8s.io/kubernetes/pkg/runtime/serializer/json"
	"k8s.io/kubernetes/pkg/runtime/serializer/versioning"
)

// Version is the string that represents the current external default version.
const Version = "v1"

var ExternalVersion = unversioned.GroupVersion{Group: "", Version: "v1"}

// OldestVersion is the string that represents the oldest server version supported,
// for client code that wants to hardcode the lowest common denominator.
const OldestVersion = "v1"

// Versions is the list of versions that are recognized in code. The order provided
// may be assumed to be least feature rich to most feature rich, and clients may
// choose to prefer the latter items in the list over the former items when presented
// with a set of versions to choose.
var Versions = []string{"v1"}

var Codec = versioning.NewCodecForScheme(
	api.Scheme,
	json.NewYAMLSerializer(json.DefaultMetaFactory, api.Scheme, runtime.ObjectTyperToTyper(api.Scheme)),
	[]unversioned.GroupVersion{{Version: Version}},
	[]unversioned.GroupVersion{{Version: runtime.APIVersionInternal}},
)