1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
|
package config
// mapFetcher provides an implementation of the Fetcher interface by wrapping
// the `map[string]string` type.
type mapFetcher map[string][]string
func UniqMapFetcher(m map[string]string) Fetcher {
multi := make(map[string][]string, len(m))
for k, v := range m {
multi[k] = []string{v}
}
return MapFetcher(multi)
}
func MapFetcher(m map[string][]string) Fetcher {
return mapFetcher(m)
}
// Get implements the func `Fetcher.Get`.
func (m mapFetcher) Get(key string) (val string, ok bool) {
all := m.GetAll(key)
if len(all) == 0 {
return "", false
}
return all[len(all)-1], true
}
// Get implements the func `Fetcher.GetAll`.
func (m mapFetcher) GetAll(key string) []string {
return m[key]
}
func (m mapFetcher) All() map[string][]string {
newmap := make(map[string][]string)
for key, values := range m {
for _, value := range values {
newmap[key] = append(newmap[key], value)
}
}
return newmap
}
|