diff options
Diffstat (limited to 'kube2msb/src/vendor/k8s.io/kubernetes/pkg/runtime/helper.go')
-rw-r--r-- | kube2msb/src/vendor/k8s.io/kubernetes/pkg/runtime/helper.go | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/kube2msb/src/vendor/k8s.io/kubernetes/pkg/runtime/helper.go b/kube2msb/src/vendor/k8s.io/kubernetes/pkg/runtime/helper.go deleted file mode 100644 index 827cff1..0000000 --- a/kube2msb/src/vendor/k8s.io/kubernetes/pkg/runtime/helper.go +++ /dev/null @@ -1,212 +0,0 @@ -/* -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 runtime - -import ( - "fmt" - "io" - "reflect" - - "k8s.io/kubernetes/pkg/api/unversioned" - "k8s.io/kubernetes/pkg/conversion" - "k8s.io/kubernetes/pkg/util/errors" -) - -// unsafeObjectConvertor implements ObjectConvertor using the unsafe conversion path. -type unsafeObjectConvertor struct { - *Scheme -} - -var _ ObjectConvertor = unsafeObjectConvertor{} - -// ConvertToVersion converts in to the provided outVersion without copying the input first, which -// is only safe if the output object is not mutated or reused. -func (c unsafeObjectConvertor) ConvertToVersion(in Object, outVersion unversioned.GroupVersion) (Object, error) { - return c.Scheme.UnsafeConvertToVersion(in, outVersion) -} - -// UnsafeObjectConvertor performs object conversion without copying the object structure, -// for use when the converted object will not be reused or mutated. Primarily for use within -// versioned codecs, which use the external object for serialization but do not return it. -func UnsafeObjectConvertor(scheme *Scheme) ObjectConvertor { - return unsafeObjectConvertor{scheme} -} - -// SetField puts the value of src, into fieldName, which must be a member of v. -// The value of src must be assignable to the field. -func SetField(src interface{}, v reflect.Value, fieldName string) error { - field := v.FieldByName(fieldName) - if !field.IsValid() { - return fmt.Errorf("couldn't find %v field in %#v", fieldName, v.Interface()) - } - srcValue := reflect.ValueOf(src) - if srcValue.Type().AssignableTo(field.Type()) { - field.Set(srcValue) - return nil - } - if srcValue.Type().ConvertibleTo(field.Type()) { - field.Set(srcValue.Convert(field.Type())) - return nil - } - return fmt.Errorf("couldn't assign/convert %v to %v", srcValue.Type(), field.Type()) -} - -// Field puts the value of fieldName, which must be a member of v, into dest, -// which must be a variable to which this field's value can be assigned. -func Field(v reflect.Value, fieldName string, dest interface{}) error { - field := v.FieldByName(fieldName) - if !field.IsValid() { - return fmt.Errorf("couldn't find %v field in %#v", fieldName, v.Interface()) - } - destValue, err := conversion.EnforcePtr(dest) - if err != nil { - return err - } - if field.Type().AssignableTo(destValue.Type()) { - destValue.Set(field) - return nil - } - if field.Type().ConvertibleTo(destValue.Type()) { - destValue.Set(field.Convert(destValue.Type())) - return nil - } - return fmt.Errorf("couldn't assign/convert %v to %v", field.Type(), destValue.Type()) -} - -// fieldPtr puts the address of fieldName, which must be a member of v, -// into dest, which must be an address of a variable to which this field's -// address can be assigned. -func FieldPtr(v reflect.Value, fieldName string, dest interface{}) error { - field := v.FieldByName(fieldName) - if !field.IsValid() { - return fmt.Errorf("couldn't find %v field in %#v", fieldName, v.Interface()) - } - v, err := conversion.EnforcePtr(dest) - if err != nil { - return err - } - field = field.Addr() - if field.Type().AssignableTo(v.Type()) { - v.Set(field) - return nil - } - if field.Type().ConvertibleTo(v.Type()) { - v.Set(field.Convert(v.Type())) - return nil - } - return fmt.Errorf("couldn't assign/convert %v to %v", field.Type(), v.Type()) -} - -// EncodeList ensures that each object in an array is converted to a Unknown{} in serialized form. -// TODO: accept a content type. -func EncodeList(e Encoder, objects []Object) error { - var errs []error - for i := range objects { - data, err := Encode(e, objects[i]) - if err != nil { - errs = append(errs, err) - continue - } - // TODO: Set ContentEncoding and ContentType. - objects[i] = &Unknown{Raw: data} - } - return errors.NewAggregate(errs) -} - -func decodeListItem(obj *Unknown, decoders []Decoder) (Object, error) { - for _, decoder := range decoders { - // TODO: Decode based on ContentType. - obj, err := Decode(decoder, obj.Raw) - if err != nil { - if IsNotRegisteredError(err) { - continue - } - return nil, err - } - return obj, nil - } - // could not decode, so leave the object as Unknown, but give the decoders the - // chance to set Unknown.TypeMeta if it is available. - for _, decoder := range decoders { - if err := DecodeInto(decoder, obj.Raw, obj); err == nil { - return obj, nil - } - } - return obj, nil -} - -// DecodeList alters the list in place, attempting to decode any objects found in -// the list that have the Unknown type. Any errors that occur are returned -// after the entire list is processed. Decoders are tried in order. -func DecodeList(objects []Object, decoders ...Decoder) []error { - errs := []error(nil) - for i, obj := range objects { - switch t := obj.(type) { - case *Unknown: - decoded, err := decodeListItem(t, decoders) - if err != nil { - errs = append(errs, err) - break - } - objects[i] = decoded - } - } - return errs -} - -// MultiObjectTyper returns the types of objects across multiple schemes in order. -type MultiObjectTyper []ObjectTyper - -var _ ObjectTyper = MultiObjectTyper{} - -func (m MultiObjectTyper) ObjectKinds(obj Object) (gvks []unversioned.GroupVersionKind, unversionedType bool, err error) { - for _, t := range m { - gvks, unversionedType, err = t.ObjectKinds(obj) - if err == nil { - return - } - } - return -} - -func (m MultiObjectTyper) Recognizes(gvk unversioned.GroupVersionKind) bool { - for _, t := range m { - if t.Recognizes(gvk) { - return true - } - } - return false -} - -// SetZeroValue would set the object of objPtr to zero value of its type. -func SetZeroValue(objPtr Object) error { - v, err := conversion.EnforcePtr(objPtr) - if err != nil { - return err - } - v.Set(reflect.Zero(v.Type())) - return nil -} - -// DefaultFramer is valid for any stream that can read objects serially without -// any separation in the stream. -var DefaultFramer = defaultFramer{} - -type defaultFramer struct{} - -func (defaultFramer) NewFrameReader(r io.ReadCloser) io.ReadCloser { return r } -func (defaultFramer) NewFrameWriter(w io.Writer) io.Writer { return w } |