frostfs-api-go/pkg/object/object.go
Pavel Karpy 0f478a9dc6 [#301] pkg/object: Add MarshalHeaderJSON method
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
2021-06-07 15:21:37 +03:00

45 lines
1 KiB
Go

package object
import (
"github.com/nspcc-dev/neofs-api-go/v2/object"
)
// Object represents v2-compatible NeoFS object that provides
// a convenient interface for working in isolation
// from the internal structure of an object.
//
// Object allows to work with the object in read-only
// mode as a reflection of the immutability of objects
// in the system.
type Object struct {
*rwObject
}
// NewFromV2 wraps v2 Object message to Object.
func NewFromV2(oV2 *object.Object) *Object {
return &Object{
rwObject: (*rwObject)(oV2),
}
}
// New creates and initializes blank Object.
//
// Works similar as NewFromV2(new(Object)).
func New() *Object {
return NewFromV2(new(object.Object))
}
// ToV2 converts Object to v2 Object message.
func (o *Object) ToV2() *object.Object {
if o != nil {
return (*object.Object)(o.rwObject)
}
return nil
}
// MarshalHeaderJSON marshals object's header
// into JSON format.
func (o *Object) MarshalHeaderJSON() ([]byte, error) {
return (*object.Object)(o.rwObject).GetHeader().MarshalJSON()
}