69 lines
1.6 KiB
Go
69 lines
1.6 KiB
Go
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/*
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* Minio Cloud Storage, (C) 2017 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 cmd
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import (
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"encoding/json"
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"fmt"
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)
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// BrowserFlag - wrapper bool type.
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type BrowserFlag bool
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// String - returns string of BrowserFlag.
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func (bf BrowserFlag) String() string {
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if bf {
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return "on"
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}
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return "off"
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}
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// MarshalJSON - converts BrowserFlag into JSON data.
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func (bf BrowserFlag) MarshalJSON() ([]byte, error) {
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return json.Marshal(bf.String())
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}
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// UnmarshalJSON - parses given data into BrowserFlag.
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func (bf *BrowserFlag) UnmarshalJSON(data []byte) (err error) {
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var s string
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if err = json.Unmarshal(data, &s); err == nil {
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b := BrowserFlag(true)
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if s == "" {
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// Empty string is treated as valid.
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*bf = b
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} else if b, err = ParseBrowserFlag(s); err == nil {
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*bf = b
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}
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}
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return err
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}
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// ParseBrowserFlag - parses string into BrowserFlag.
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func ParseBrowserFlag(s string) (bf BrowserFlag, err error) {
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if s == "on" {
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bf = true
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} else if s == "off" {
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bf = false
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} else {
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err = fmt.Errorf("invalid value ‘%s’ for BrowserFlag", s)
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}
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return bf, err
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}
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