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constants.go
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constants.go
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package apiversionset
import (
"encoding/json"
"fmt"
"strings"
)
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See NOTICE.txt in the project root for license information.
type VersioningScheme string
const (
VersioningSchemeHeader VersioningScheme = "Header"
VersioningSchemeQuery VersioningScheme = "Query"
VersioningSchemeSegment VersioningScheme = "Segment"
)
func PossibleValuesForVersioningScheme() []string {
return []string{
string(VersioningSchemeHeader),
string(VersioningSchemeQuery),
string(VersioningSchemeSegment),
}
}
func (s *VersioningScheme) UnmarshalJSON(bytes []byte) error {
var decoded string
if err := json.Unmarshal(bytes, &decoded); err != nil {
return fmt.Errorf("unmarshaling: %+v", err)
}
out, err := parseVersioningScheme(decoded)
if err != nil {
return fmt.Errorf("parsing %q: %+v", decoded, err)
}
*s = *out
return nil
}
func parseVersioningScheme(input string) (*VersioningScheme, error) {
vals := map[string]VersioningScheme{
"header": VersioningSchemeHeader,
"query": VersioningSchemeQuery,
"segment": VersioningSchemeSegment,
}
if v, ok := vals[strings.ToLower(input)]; ok {
return &v, nil
}
// otherwise presume it's an undefined value and best-effort it
out := VersioningScheme(input)
return &out, nil
}