1. How To Use Customized Handlers In Config File

If you want to use customized handlers in your config file, just register them to logit.

Demo:

package main

import (
	"fmt"

	"github.com/FishGoddess/logit"
)

// **************************** customized handler ****************************
type MyHandler struct{
	prefix string
}

func (mh *MyHandler) Handle(log *logit.Log) bool {
	// The service of handler
	// Print message of log here
	fmt.Println(mh.prefix, "I am handling this log:", log.Msg())
	return true
}

// *************************************************************************

func main() {
	// Register this handler to logit
	logit.RegisterHandler("my-handler", func(params map[string]interface{}) logit.Handler {
		return &MyHandler{
			// The "prefix" in config file will be injected to params automatically by logit
			prefix: params["prefix"].(string),
		}
	})

	// Create a logger by config file
	// The content of config file:
	//     "handlers": {
	//         "my-handler": {
	//             # logit will inject this parameter into params
	//             "prefix": "[prefix...]"
	//         }
	//     }
	logger := logit.NewLoggerFromPath("./logger.conf")
	logger.Info("real message!")
}

The content of config file: (Notice that the filename is "logger.conf")

"handlers": {
    "my-handler": {
        # logit will inject this parameter into params
        "prefix": "[prefix...]"
    }
}

Check _examples/handler.go to know more information.

Check source code handler_extension.go to know how logit registers provided handlers.

More information about config in _examples/config.