ernestoalejo/context-handler

Go HTTP handlers using context

context-handler

Go HTTP handlers using context.

Installation

go get github.com/ernestoalejo/context-handler

Features

• Pass context to all handlers.
• Buffer responses to return errors to users correctly.
• Read and write JSON in POST requests easily.
• Return errors easily from the handler.
• Show stack traces of errors in stderr (compatible with App Engine).
• Configurable middlewares.
• Auto load App Engine context from the request.
• Graceful HTTP listener.
• Use gin in development to autoreload the server.

Usage

package main

import (
  "fmt"
  "net/http"
  "log"
  "time"

  "github.com/ernestoalejo/context-handler"
  "github.com/juju/errors"
  "golang.org/x/net/context"
)

func main() {
  http.HandleFunc("/", handler.Ctx(homeHandler))
  http.HandleFunc("/health", handler.Ctx(healthHandler))

  handler.ServeGracefully(9000, 30*time.Second)
}

func homeHandler(ctx context.Context, w http.ResponseWriter, r *http.Request) error {
  fmt.Fprintln(w, "Home handler")

  return errors.New("cannot handle request correctly")
}

func healthHandler(ctx context.Context, w http.ResponseWriter, r *http.Request) error {
  fmt.Fprintln(w, "ok")
  
  return nil
}