<?php
require_once ("domframework/http.php");
class rest
{
  public $allowedtypes = array ("json", "xml", "txt", "csv");

  /** Display the message (which can be a string, an array, an integer...)
      into the type asked by the client if it is allowed.
      By default, the JSON type is used */
  function display ($message, $code=200)
  {
    $http = new http;
    $text = $http->codetext ($code);
    header ($_SERVER["SERVER_PROTOCOL"]." $code $text");
    $type = reset ($this->allowedtypes);
    if (isset ($_SERVER["HTTP_ACCEPT"]))
    {
      $type = $http->bestChoice ($_SERVER["HTTP_ACCEPT"], $this->allowedtypes,
                                 $type);
    }
    
    require_once ("domframework/output$type.php");
    $constr = "output$type";
    $method = "out";
    $obj = new $constr ();
    $obj->$method ($message);
  }
}