module HTTP::Handler

Overview

A handler is a class which includes HTTP::Handler and implements the #call method. You can use a handler to intercept any incoming request and can modify the response. These can be used for request throttling, ip-based filtering, adding custom headers e.g.

NOTE To use Handler, you must explicitly import it with require "http/server/handler"

A custom handler

require "http/server/handler"

class CustomHandler
  include HTTP::Handler

  def call(context)
    puts "Doing some stuff"
    call_next(context)
  end
end

Direct including types

• HTTP::CompressHandler
• HTTP::ErrorHandler
• HTTP::LogHandler
• HTTP::StaticFileHandler
• HTTP::WebSocketHandler

Defined in:

http/server/handler.cr

Instance Method Summary

• #call(context : HTTP::Server::Context)
• #call_next(context : HTTP::Server::Context)
• #next : Handler | HandlerProc | Nil
• #next=(next __arg0 : Handler | HandlerProc | Nil)

Instance Method Detail