libraries/gis/pma_gis_factory.php

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