http/rest_adapter.php

   1 <?php
   2 // Hoplite
   3 // Copyright (c) 2011 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\http;
  18
  19 require_once HOPLITE_ROOT . '/http/action_controller.php';
  20 require_once HOPLITE_ROOT . '/http/response_code.php';
  21 require_once HOPLITE_ROOT . '/http/rest_action.php';
  22
  23 /*!
  24   This abstract class adapts a RESTful interface into a web frontend that only
  25   supports GET and POST. The |action| parameter will control what is performed.
  26 */
  27 abstract class RestAdapter extends ActionController
  28 {
  29   /*! @var RestAction The RESTful interface which will be adapted. */
  30   protected $action = NULL;
  31
  32   public function FilterRequest(Request $request, Response $response)
  33   {
  34     $this->action = $this->_GetRestAction();
  35   }
  36
  37   /*! Gets the RestAction that will be adapted. */
  38   protected abstract function _GetRestAction();
  39
  40   public function ActionFetch(Request $request, Response $response)
  41   {
  42     if ($request->http_method != 'GET' || $request->http_method != 'POST') {
  43       $response->response_code = ResponseCode::METHOD_NOT_ALLOWED;
  44       return;
  45     }
  46     $this->action->DoGet($request, $response);
  47   }
  48
  49   public function ActionInsert(Request $request, Response $response)
  50   {
  51     if ($request->http_method != 'POST') {
  52       $response->response_code = ResponseCode::METHOD_NOT_ALLOWED;
  53       return;
  54     }
  55     $this->action->DoPut($request, $response);
  56   }
  57
  58   public function ActionUpdate(Request $request, Response $response)
  59   {
  60     if ($request->http_method != 'POST') {
  61       $response->response_code = ResponseCode::METHOD_NOT_ALLOWED;
  62       return;
  63     }
  64     $this->action->DoPost($request, $response);
  65   }
  66
  67   public function ActionDelete(Request $request, Response $response)
  68   {
  69     if ($request->http_method != 'POST') {
  70       $response->response_code = ResponseCode::METHOD_NOT_ALLOWED;
  71       return;
  72     }
  73     $this->action->DoDelete($request, $response);
  74   }
  75 }