http2/api.php

   1 <?php
   2 // Hoplite
   3 // Copyright (c) 2016 Blue Static
   4 //
   5 // This program is free software: you can redistribute it and/or modify it
   6 // under the terms of the GNU General Public License as published by the Free
   7 // Software Foundation, either version 3 of the License, or any later version.
   8 //
   9 // This program is distributed in the hope that it will be useful, but WITHOUT
  10 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12 // more details.
  13 //
  14 // You should have received a copy of the GNU General Public License along with
  15 // this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 namespace hoplite\http2;
  18
  19 require_once HOPLITE_ROOT . '/http2/middleware.php';
  20 require_once HOPLITE_ROOT . '/http2/request.php';
  21 require_once HOPLITE_ROOT . '/http2/response.php';
  22
  23 class DataResponse extends Response {
  24   public $data;
  25
  26   public function __construct($data) {
  27     parent::__construct();
  28     $this->data = $data;
  29   }
  30
  31   public function generate() {
  32     throw new \Exception(__CLASS__ . ' cannot generate a response');
  33   }
  34 }
  35
  36 class JsonResponse extends Response {
  37   private $data;
  38
  39   public function __construct(DataResponse $r) {
  40     $this->code = $r->code;
  41     $this->data = $r->data;
  42   }
  43
  44   public function generate() {
  45     $this->headers['Content-Type'] = 'application/json';
  46     parent::generate();
  47     print json_encode($this->data);
  48   }
  49 }
  50
  51 class JsonResponseFilter extends Middleware {
  52   public function execute(Request $request) {
  53     $response = $this->next->execute($request);
  54
  55     if ($response instanceof DataResponse) {
  56       return new JsonResponse($response);
  57     }
  58
  59     return $response;
  60   }
  61 }