frostfs-s3-gw/pkg/event/targetid.go

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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"
"fmt"
"strings"
)
// TargetID - holds identification and name strings of notification target.
type TargetID struct {
ID string
Name string
}
// String - returns string representation.
func (tid TargetID) String() string {
return tid.ID + ":" + tid.Name
}
// ToARN - converts to ARN.
func (tid TargetID) ToARN(region string) ARN {
return ARN{TargetID: tid, region: region}
}
// MarshalJSON - encodes to JSON data.
func (tid TargetID) MarshalJSON() ([]byte, error) {
return json.Marshal(tid.String())
}
// UnmarshalJSON - decodes JSON data.
func (tid *TargetID) UnmarshalJSON(data []byte) error {
var s string
if err := json.Unmarshal(data, &s); err != nil {
return err
}
targetID, err := parseTargetID(s)
if err != nil {
return err
}
*tid = *targetID
return nil
}
// parseTargetID - parses string to TargetID.
func parseTargetID(s string) (*TargetID, error) {
tokens := strings.Split(s, ":")
if len(tokens) != 2 {
return nil, fmt.Errorf("invalid TargetID format '%v'", s)
}
return &TargetID{
ID: tokens[0],
Name: tokens[1],
}, nil
}