Version 3.0.0-beta cleaned

middleware/recovery/README.md

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+## Middleware information
+
+This folder contains a middleware for safety recover the server from panic
+
+## How to use
+
+```go
+
+package main
+
+import (
+	"github.com/kataras/iris"
+	"github.com/kataras/iris/middleware/recovery"
+	"os"
+)
+
+func main() {
+
+	iris.Use(recovery.New(os.Stderr)) // optional parameter is the writer which the stack of the panic will be printed
+
+	iris.Get("/", func(ctx *iris.Context) {
+		ctx.Write("Hi, let's panic")
+		panic("errorrrrrrrrrrrrrrr")
+	})
+
+	println("Server is running at :8080")
+	iris.Listen(":8080")
+}
+
+```

middleware/recovery/recovery.go

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+package recovery
+
+import (
+	"io"
+	"os"
+	"time"
+
+	"github.com/kataras/iris"
+)
+
+type recovery struct {
+	//out optional output to log any panics
+	out io.Writer
+}
+
+func (r recovery) Serve(ctx *iris.Context) {
+	defer func() {
+		if err := recover(); err != nil {
+			r.out.Write([]byte("[" + time.Now().String() + "]Recovery from panic \n"))
+			//ctx.Panic just sends  http status 500 by default, but you can change it by: iris.OnPanic(func( c *iris.Context){})
+			ctx.Panic()
+		}
+	}()
+	ctx.Next()
+}
+
+// Recovery restores the server on internal server errors (panics)
+// receives an optional writer, the default is the os.Stderr if no out writer given
+// returns the middleware as iris.Handler
+// same as New(...)
+func Recovery(out ...io.Writer) iris.Handler {
+	r := recovery{os.Stderr}
+	if out != nil && len(out) == 1 {
+		r.out = out[0]
+	}
+	return r
+}
+
+// New restores the server on internal server errors (panics)
+// receives an optional writer, the default is the os.Stderr if no out writer given
+// returns the middleware as iris.Handler
+// same as Recovery(...)
+func New(out ...io.Writer) iris.Handler {
+	return Recovery(out...)
+}