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|
package proton
import (
"encoding/json"
"errors"
)
var ErrBadHeader = errors.New("bad header")
type Headers map[string][]string
func (h *Headers) UnmarshalJSON(b []byte) error {
type rawHeaders map[string]any
raw := make(rawHeaders)
if err := json.Unmarshal(b, &raw); err != nil {
return err
}
header := make(Headers)
for key, val := range raw {
switch val := val.(type) {
case string:
header[key] = []string{val}
case []any:
for _, val := range val {
switch val := val.(type) {
case string:
header[key] = append(header[key], val)
default:
return ErrBadHeader
}
}
default:
return ErrBadHeader
}
}
*h = header
return nil
}
|
