/
goconfig.go
70 lines (57 loc) · 1.07 KB
/
goconfig.go
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package goconfig
import (
"encoding/json"
"fmt"
"github.com/hashicorp/hcl"
"gopkg.in/yaml.v2"
"io/ioutil"
"strings"
)
const (
jsontype = "json"
yamltype = "yaml"
hcltype = "hcl"
unknowntype = "unknow"
)
//Load provides loading of configuration file
func Load(path string, item interface{}) error {
data, err := ioutil.ReadFile(path)
if err != nil {
return err
}
switch checkPath(path) {
case jsontype:
err := json.Unmarshal([]byte(data), item)
if err != nil {
return err
}
return nil
case yamltype:
err := yaml.Unmarshal([]byte(data), item)
if err != nil {
return err
}
return nil
case hcltype:
err := hcl.Decode(item, string(data))
if err != nil {
return err
}
return nil
default:
return fmt.Errorf("Failed to load: This type is unknown")
}
}
//return type of file for loading
func checkPath(path string) string {
if strings.HasSuffix(path, jsontype) {
return jsontype
}
if strings.HasSuffix(path, yamltype) {
return yamltype
}
if strings.HasSuffix(path, hcltype) {
return hcltype
}
return unknowntype
}