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Copy pathname.go
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152 lines (136 loc) · 3.83 KB
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Copy pathname.go
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152 lines (136 loc) · 3.83 KB
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/*
* Minio Cloud Storage, (C) 2018 Minio, Inc.
*
* 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 event
import (
"encoding/json"
"encoding/xml"
)
// Name - event type enum.
// Refer http://docs.aws.amazon.com/AmazonS3/latest/dev/NotificationHowTo.html#notification-how-to-event-types-and-destinations
type Name int
// Values of Name
const (
ObjectAccessedAll Name = 1 + iota
ObjectAccessedGet
ObjectAccessedHead
ObjectCreatedAll
ObjectCreatedCompleteMultipartUpload
ObjectCreatedCopy
ObjectCreatedPost
ObjectCreatedPut
ObjectRemovedAll
ObjectRemovedDelete
)
// Expand - returns expanded values of abbreviated event type.
func (name Name) Expand() []Name {
switch name {
case ObjectAccessedAll:
return []Name{ObjectAccessedGet, ObjectAccessedHead}
case ObjectCreatedAll:
return []Name{ObjectCreatedCompleteMultipartUpload, ObjectCreatedCopy, ObjectCreatedPost, ObjectCreatedPut}
case ObjectRemovedAll:
return []Name{ObjectRemovedDelete}
default:
return []Name{name}
}
}
// String - returns string representation of event type.
func (name Name) String() string {
switch name {
case ObjectAccessedAll:
return "s3:ObjectAccessed:*"
case ObjectAccessedGet:
return "s3:ObjectAccessed:Get"
case ObjectAccessedHead:
return "s3:ObjectAccessed:Head"
case ObjectCreatedAll:
case ObjectCreatedCompleteMultipartUpload:
return "s3:ObjectCreated:CompleteMultipartUpload"
case ObjectCreatedCopy:
return "s3:ObjectCreated:Copy"
case ObjectCreatedPost:
return "s3:ObjectCreated:Post"
case ObjectCreatedPut:
return "s3:ObjectCreated:Put"
case ObjectRemovedAll:
return "s3:ObjectRemoved:*"
case ObjectRemovedDelete:
return "s3:ObjectRemoved:Delete"
}
return ""
}
// MarshalXML - encodes to XML data.
func (name Name) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
return e.EncodeElement(name.String(), start)
}
// UnmarshalXML - decodes XML data.
func (name *Name) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
var s string
if err := d.DecodeElement(&s, &start); err != nil {
return err
}
eventName, err := ParseName(s)
if err != nil {
return err
}
*name = eventName
return nil
}
// MarshalJSON - encodes to JSON data.
func (name Name) MarshalJSON() ([]byte, error) {
return json.Marshal(name.String())
}
// UnmarshalJSON - decodes JSON data.
func (name *Name) UnmarshalJSON(data []byte) error {
var s string
if err := json.Unmarshal(data, &s); err != nil {
return err
}
eventName, err := ParseName(s)
if err != nil {
return err
}
*name = eventName
return nil
}
// ParseName - parses string to Name.
func ParseName(s string) (Name, error) {
switch s {
case "s3:ObjectAccessed:*":
return ObjectAccessedAll, nil
case "s3:ObjectAccessed:Get":
return ObjectAccessedGet, nil
case "s3:ObjectAccessed:Head":
return ObjectAccessedHead, nil
case "s3:ObjectCreated:*":
return ObjectCreatedAll, nil
case "s3:ObjectCreated:CompleteMultipartUpload":
return ObjectCreatedCompleteMultipartUpload, nil
case "s3:ObjectCreated:Copy":
return ObjectCreatedCopy, nil
case "s3:ObjectCreated:Post":
return ObjectCreatedPost, nil
case "s3:ObjectCreated:Put":
return ObjectCreatedPut, nil
case "s3:ObjectRemoved:*":
return ObjectRemovedAll, nil
case "s3:ObjectRemoved:Delete":
return ObjectRemovedDelete, nil
default:
return 0, &ErrInvalidEventName{s}
}
}