/
handler.go
54 lines (41 loc) · 989 Bytes
/
handler.go
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package log
import (
"encoding/json"
"log"
)
//go:generate counterfeiter -fake-name Handler -o ./fake/handler.go . Handler
// Handler handles an entry
type Handler interface {
Handle(e *Entry)
}
var _ Handler = CompositeHandler{}
// CompositeHandler is a slice of handler
type CompositeHandler []Handler
// Handle handles the entry
func (handlers CompositeHandler) Handle(e *Entry) {
for _, handler := range handlers {
handler.Handle(e)
}
}
var _ Handler = &LevelHandler{}
// LevelHandler handles entries for given level
type LevelHandler struct {
Level Level
Handler Handler
}
// Handle handles the entry
func (h *LevelHandler) Handle(e *Entry) {
if e.Level < h.Level {
return
}
h.Handler.Handle(e)
}
var _ Handler = &DefaultHandler{}
// DefaultHandler represents the default handler
type DefaultHandler struct{}
// Handle handles the entry
func (h *DefaultHandler) Handle(e *Entry) {
data, _ := json.Marshal(e)
log.SetFlags(0)
log.Println(string(data))
}