includes/api/ApiFormatJson.php

   1 <?php
   2 /**
   3  * API for MediaWiki 1.8+
   4  *
   5  * Created on Sep 19, 2006
   6  *
   7  * Copyright © 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write to the Free Software Foundation, Inc.,
  21  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  22  * http://www.gnu.org/copyleft/gpl.html
  23  *
  24  * @file
  25  */
  26
  27 if ( !defined( 'MEDIAWIKI' ) ) {
  28         // Eclipse helper - will be ignored in production
  29         require_once( 'ApiFormatBase.php' );
  30 }
  31
  32 /**
  33  * API JSON output formatter
  34  * @ingroup API
  35  */
  36 class ApiFormatJson extends ApiFormatBase {
  37
  38         private $mIsRaw;
  39
  40         public function __construct( $main, $format ) {
  41                 parent::__construct( $main, $format );
  42                 $this->mIsRaw = ( $format === 'rawfm' );
  43         }
  44
  45         public function getMimeType() {
  46                 $params = $this->extractRequestParams();
  47                 // callback:
  48                 if ( $params['callback'] ) {
  49                         return 'text/javascript';
  50                 }
  51                 return 'application/json';
  52         }
  53
  54         public function getNeedsRawData() {
  55                 return $this->mIsRaw;
  56         }
  57
  58         public function getWantsHelp() {
  59                 // Help is always ugly in JSON
  60                 return false;
  61         }
  62
  63         public function execute() {
  64                 $prefix = $suffix = '';
  65
  66                 $params = $this->extractRequestParams();
  67                 $callback = $params['callback'];
  68                 if ( !is_null( $callback ) ) {
  69                         $prefix = preg_replace( "/[^][.\\'\\\"_A-Za-z0-9]/", '', $callback ) . '(';
  70                         $suffix = ')';
  71                 }
  72                 $this->printText(
  73                         $prefix .
  74                         FormatJson::encode( $this->getResultData(), $this->getIsHtml() ) .
  75                         $suffix
  76                 );
  77         }
  78
  79         public function getAllowedParams() {
  80                 return array(
  81                         'callback'  => null,
  82                 );
  83         }
  84
  85         public function getParamDescription() {
  86                 return array(
  87                         'callback' => 'If specified, wraps the output into a given function call. For safety, all user-specific data will be restricted.',
  88                 );
  89         }
  90
  91         public function getDescription() {
  92                 if ( $this->mIsRaw ) {
  93                         return 'Output data with the debuging elements in JSON format' . parent::getDescription();
  94                 } else {
  95                         return 'Output data in JSON format' . parent::getDescription();
  96                 }
  97         }
  98
  99         public function getVersion() {
 100                 return __CLASS__ . ': $Id$';
 101         }
 102 }