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get_translation.go
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get_translation.go
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package uadmin
import (
"os"
"io/ioutil"
"encoding/json"
"strings"
)
// {"en": {"key": "en-value"}, "zh": {"key": "zh-value"}}
var languageMap map[string]map[string]string
func getLanguageMap() (m map[string]map[string]string, err error) {
if len(languageMap) > 0 {
return languageMap, nil
}
fileName := "./templates/uadmin/multilingual.json"
if _, err = os.Stat(fileName); os.IsNotExist(err) {
Trail(WARNING, "Unrecognized file. fileName:%s", fileName)
}
var buf []byte
if err == nil {
if buf, err = ioutil.ReadFile(fileName); err != nil {
Trail(ERROR, "Unable to read language file (%s)", fileName)
}
}
if err == nil {
if err = json.Unmarshal(buf, &languageMap); err != nil {
Trail(ERROR, "Unknown translation file format (%s)", fileName)
}
}
return languageMap, err
}
// translation from {multilingual.json}
func getTranslationFromFile(lang, key string) (value string) {
m, err := getLanguageMap()
if err == nil {
if kvs, ok := m[lang]; ok {
key = strings.Replace(key, " ", "", -1)
key = strings.ToLower(key)
value = kvs[key]
}
}
return
}