57 lines
1.2 KiB
Go
57 lines
1.2 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2018 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package policy
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import (
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"encoding/json"
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"unicode/utf8"
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)
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// ID - policy ID.
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type ID string
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// IsValid - checks if ID is valid or not.
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func (id ID) IsValid() bool {
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return utf8.ValidString(string(id))
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}
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// MarshalJSON - encodes ID to JSON data.
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func (id ID) MarshalJSON() ([]byte, error) {
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if !id.IsValid() {
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return nil, Errorf("invalid ID %v", id)
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}
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return json.Marshal(string(id))
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}
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// UnmarshalJSON - decodes JSON data to ID.
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func (id *ID) UnmarshalJSON(data []byte) error {
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var s string
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if err := json.Unmarshal(data, &s); err != nil {
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return err
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}
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i := ID(s)
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if !i.IsValid() {
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return Errorf("invalid ID %v", s)
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}
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*id = i
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return nil
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}
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