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Beego/config/json.go

91 lines
1.7 KiB
Go

package config
import (
"encoding/json"
"errors"
"io/ioutil"
"os"
"sync"
)
type JsonConfig struct {
}
func (js *JsonConfig) Parse(filename string) (ConfigContainer, error) {
file, err := os.Open(filename)
if err != nil {
return nil, err
}
defer file.Close()
x := &JsonConfigContainer{
data: make(map[string]interface{}),
}
content, err := ioutil.ReadAll(file)
if err != nil {
return nil, err
}
err = json.Unmarshal(content, &x.data)
if err != nil {
return nil, err
}
return x, nil
}
type JsonConfigContainer struct {
data map[string]interface{}
sync.Mutex
}
func (c *JsonConfigContainer) Bool(key string) (bool, error) {
if v, ok := c.data[key].(bool); ok {
return v, nil
}
return false, errors.New("not bool value")
}
func (c *JsonConfigContainer) Int(key string) (int, error) {
if v, ok := c.data[key].(float64); ok {
return int(v), nil
}
return 0, errors.New("not int value")
}
func (c *JsonConfigContainer) Int64(key string) (int64, error) {
if v, ok := c.data[key].(float64); ok {
return int64(v), nil
}
return 0, errors.New("not bool value")
}
func (c *JsonConfigContainer) Float(key string) (float64, error) {
if v, ok := c.data[key].(float64); ok {
return v, nil
}
return 0.0, errors.New("not float64 value")
}
func (c *JsonConfigContainer) String(key string) string {
if v, ok := c.data[key].(string); ok {
return v
}
return ""
}
func (c *JsonConfigContainer) Set(key, val string) error {
c.Lock()
defer c.Unlock()
c.data[key] = val
return nil
}
func (c *JsonConfigContainer) DIY(key string) (v interface{}, err error) {
if v, ok := c.data[key]; ok {
return v, nil
}
return nil, errors.New("not exist key")
}
func init() {
Register("json", &JsonConfig{})
}