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package main
import (
"gopkg.in/yaml.v2"
"github.com/kataras/iris"
)
func main() {
app := newApp()
// use Postman or whatever to do a POST request
// (however you are always free to use app.Get and GET http method requests to read body of course)
// to the http://localhost:8080 with RAW BODY:
/*
addr: localhost:8080
serverName: Iris
*/
//
// The response should be:
// Received: main.config{Addr:"localhost:8080", ServerName:"Iris"}
app.Run(iris.Addr(":8080"), iris.WithoutServerError(iris.ErrServerClosed), iris.WithOptimizations)
}
func newApp() *iris.Application {
app := iris.New()
app.Post("/", handler)
return app
}
// simple yaml stuff, read more at https://github.com/go-yaml/yaml
type config struct {
Addr string `yaml:"addr"`
ServerName string `yaml:"serverName"`
}
/*
type myBodyDecoder struct{}
var DefaultBodyDecoder = myBodyDecoder{}
// Implements the `kataras/iris/context#Unmarshaler` but at our example
// we will use the simplest `context#UnmarshalerFunc` to pass just the yaml.Unmarshal.
//
// Can be used as: ctx.UnmarshalBody(&c, DefaultBodyDecoder)
func (r *myBodyDecoder) Unmarshal(data []byte, outPtr interface{}) error {
return yaml.Unmarshal(data, outPtr)
}
*/
func handler(ctx iris.Context) {
var c config
//
// Note:
// yaml.Unmarshal already implements the `context#Unmarshaler`
// so we can use it directly, like the json.Unmarshal(ctx.ReadJSON), xml.Unmarshal(ctx.ReadXML)
// and every library which follows the best practises and is aligned with the Go standards.
//
// Note 2:
// If you need to read the body again for any reason
// you should disable the body consumption via `app.Run(..., iris.WithoutBodyConsumptionOnUnmarshal)`.
//
if err := ctx.UnmarshalBody(&c, iris.UnmarshalerFunc(yaml.Unmarshal)); err != nil {
ctx.StatusCode(iris.StatusBadRequest)
ctx.WriteString(err.Error())
return
}
ctx.Writef("Received: %#+v", c)
}
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