util/utils.go

package util

import (
	"encoding/json"
	"encoding/xml"
)

const (
	_ = iota
	// KB  kilo byte
	KB int = 1 << (10 * iota)
	// MB mega byte
	MB
	// GB giga byte
	GB
	// TB tera byte
	//TB
	// PB peta byte
	//PB
)

// Map is a shortcut for map[string]interface{}
type Map map[string]interface{}

// String map to json string
func (m Map) String() string {
	bs, _ := json.Marshal(m)
	return string(bs)
}

// Bytes map to json bytes
func (m Map) Bytes() []byte {
	bs, _ := json.Marshal(m)
	return bs
}

// MarshalXML allows type Map to be used with xml.Marshal.
func (m Map) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
	start.Name = xml.Name{
		Space: "",
		Local: "map",
	}
	if err := e.EncodeToken(start); err != nil {
		return err
	}
	for key, value := range m {
		elem := xml.StartElement{
			Name: xml.Name{Space: "", Local: key},
			Attr: []xml.Attr{},
		}
		if err := e.EncodeElement(value, elem); err != nil {
			return err
		}
	}

	return e.EncodeToken(xml.EndElement{Name: start.Name})
}