phpmyadmin/libraries/gis/pma_gis_factory.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Contains the factory class that handles the creation of geometric objects
   5  *
   6  * @package PhpMyAdmin-GIS
   7  */
   8
   9 if (! defined('PHPMYADMIN')) {
  10     exit;
  11 }
  12
  13 /**
  14  * Factory class that handles the creation of geometric objects.
  15  *
  16  * @package PhpMyAdmin-GIS
  17  */
  18 class PMA_GIS_Factory
  19 {
  20     /**
  21      * Returns the singleton instance of geometric class of the given type.
  22      *
  23      * @param string $type type of the geometric object
  24      *
  25      * @return object the singleton instance of geometric class of the given type
  26      * @access public
  27      * @static
  28      */
  29     public static function factory($type)
  30     {
  31         include_once './libraries/gis/pma_gis_geometry.php';
  32
  33         $type_lower = strtolower($type);
  34         if (! file_exists('./libraries/gis/pma_gis_' . $type_lower . '.php')) {
  35             return false;
  36         }
  37         if (include_once './libraries/gis/pma_gis_' . $type_lower . '.php') {
  38             switch(strtoupper($type)) {
  39             case 'MULTIPOLYGON' :
  40                 return PMA_GIS_Multipolygon::singleton();
  41             case 'POLYGON' :
  42                 return PMA_GIS_Polygon::singleton();
  43             case 'MULTIPOINT' :
  44                 return PMA_GIS_Multipoint::singleton();
  45             case 'POINT' :
  46                 return PMA_GIS_Point::singleton();
  47             case 'MULTILINESTRING' :
  48                 return PMA_GIS_Multilinestring::singleton();
  49             case 'LINESTRING' :
  50                 return PMA_GIS_Linestring::singleton();
  51             case 'GEOMETRYCOLLECTION' :
  52                 return PMA_GIS_Geometrycollection::singleton();
  53             default :
  54                 return false;
  55             }
  56         } else {
  57             return false;
  58         }
  59     }
  60 }
  61 ?>