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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Contains the factory class that handles the creation of geometric objects
*
* @package PhpMyAdmin-GIS
*/
if (! defined('PHPMYADMIN')) {
exit;
}
/**
* Factory class that handles the creation of geometric objects.
*
* @package PhpMyAdmin-GIS
*/
class PMA_GIS_Factory
{
/**
* Returns the singleton instance of geometric class of the given type.
*
* @param string $type type of the geometric object
*
* @return PMA_GIS_Geometry the singleton instance of geometric class
* of the given type
*
* @access public
* @static
*/
public static function factory($type)
{
include_once './libraries/gis/GIS_Geometry.class.php';
$type_lower = strtolower($type);
$file = './libraries/gis/GIS_' . ucfirst($type_lower) . '.class.php';
if (! PMA_isValid($type_lower, PMA_Util::getGISDatatypes())
|| ! file_exists($file)
) {
return false;
}
if (include_once $file) {
switch(strtoupper($type)) {
case 'MULTIPOLYGON' :
return PMA_GIS_Multipolygon::singleton();
case 'POLYGON' :
return PMA_GIS_Polygon::singleton();
case 'MULTIPOINT' :
return PMA_GIS_Multipoint::singleton();
case 'POINT' :
return PMA_GIS_Point::singleton();
case 'MULTILINESTRING' :
return PMA_GIS_Multilinestring::singleton();
case 'LINESTRING' :
return PMA_GIS_Linestring::singleton();
case 'GEOMETRYCOLLECTION' :
return PMA_GIS_Geometrycollection::singleton();
default :
return false;
}
} else {
return false;
}
}
}