zlog/hook.go

65 lines
1.5 KiB
Go

package zlog
// Hook defines an interface to a log hook.
type Hook interface {
// Run runs the hook with the event.
Run(e *Event, level Level, message string)
}
// HookFunc is an adaptor to allow the use of an ordinary function
// as a Hook.
type HookFunc func(e *Event, level Level, message string)
// Run implements the Hook interface.
func (h HookFunc) Run(e *Event, level Level, message string) {
h(e, level, message)
}
// LevelHook applies a different hook for each level.
type LevelHook struct {
NoLevelHook, TraceHook, DebugHook, InfoHook, WarnHook, ErrorHook, FatalHook, PanicHook Hook
}
// Run implements the Hook interface.
func (h LevelHook) Run(e *Event, level Level, message string) {
switch level {
case TraceLevel:
if h.TraceHook != nil {
h.TraceHook.Run(e, level, message)
}
case DebugLevel:
if h.DebugHook != nil {
h.DebugHook.Run(e, level, message)
}
case InfoLevel:
if h.InfoHook != nil {
h.InfoHook.Run(e, level, message)
}
case WarnLevel:
if h.WarnHook != nil {
h.WarnHook.Run(e, level, message)
}
case ErrorLevel:
if h.ErrorHook != nil {
h.ErrorHook.Run(e, level, message)
}
case FatalLevel:
if h.FatalHook != nil {
h.FatalHook.Run(e, level, message)
}
case PanicLevel:
if h.PanicHook != nil {
h.PanicHook.Run(e, level, message)
}
case NoLevel:
if h.NoLevelHook != nil {
h.NoLevelHook.Run(e, level, message)
}
}
}
// NewLevelHook returns a new LevelHook.
func NewLevelHook() LevelHook {
return LevelHook{}
}