package config import ( "errors" "io/ioutil" "os" "strconv" "sync" "github.com/beego/x2j" ) // XmlConfig is a xml config parser and implements Config interface. // xml configurations should be included in tag. // only support key/value pair as value as each item. type XMLConfig struct { } // Parse returns a ConfigContainer with parsed xml config map. func (xmls *XMLConfig) Parse(filename string) (ConfigContainer, error) { file, err := os.Open(filename) if err != nil { return nil, err } defer file.Close() x := &XMLConfigContainer{ data: make(map[string]interface{}), } content, err := ioutil.ReadAll(file) if err != nil { return nil, err } d, err := x2j.DocToMap(string(content)) if err != nil { return nil, err } x.data = d["config"].(map[string]interface{}) return x, nil } // A Config represents the xml configuration. type XMLConfigContainer struct { data map[string]interface{} sync.Mutex } // Bool returns the boolean value for a given key. func (c *XMLConfigContainer) Bool(key string) (bool, error) { return strconv.ParseBool(c.data[key].(string)) } // Int returns the integer value for a given key. func (c *XMLConfigContainer) Int(key string) (int, error) { return strconv.Atoi(c.data[key].(string)) } // Int64 returns the int64 value for a given key. func (c *XMLConfigContainer) Int64(key string) (int64, error) { return strconv.ParseInt(c.data[key].(string), 10, 64) } // Float returns the float value for a given key. func (c *XMLConfigContainer) Float(key string) (float64, error) { return strconv.ParseFloat(c.data[key].(string), 64) } // String returns the string value for a given key. func (c *XMLConfigContainer) String(key string) string { if v, ok := c.data[key].(string); ok { return v } return "" } // WriteValue writes a new value for key. func (c *XMLConfigContainer) Set(key, val string) error { c.Lock() defer c.Unlock() c.data[key] = val return nil } // DIY returns the raw value by a given key. func (c *XMLConfigContainer) 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("xml", &XMLConfig{}) }