Initial commit

#pma/libraries/gis/GISFactory.php

@@ -0,0 +1,52 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Contains the factory class that handles the creation of geometric objects
+ *
+ * @package PhpMyAdmin-GIS
+ */
+
+namespace PMA\libraries\gis;
+
+use PMA;
+
+/**
+ * Factory class that handles the creation of geometric objects.
+ *
+ * @package PhpMyAdmin-GIS
+ */
+class GISFactory
+{
+    /**
+     * Returns the singleton instance of geometric class of the given type.
+     *
+     * @param string $type type of the geometric object
+     *
+     * @return GISGeometry the singleton instance of geometric class
+     *                          of the given type
+     *
+     * @access public
+     * @static
+     */
+    public static function factory($type)
+    {
+        switch (strtoupper($type)) {
+        case 'MULTIPOLYGON' :
+            return GISMultipolygon::singleton();
+        case 'POLYGON' :
+            return GISPolygon::singleton();
+        case 'MULTIPOINT' :
+            return GISMultipoint::singleton();
+        case 'POINT' :
+            return GISPoint::singleton();
+        case 'MULTILINESTRING' :
+            return GISMultilinestring::singleton();
+        case 'LINESTRING' :
+            return GISLinestring::singleton();
+        case 'GEOMETRYCOLLECTION' :
+            return GISGeometrycollection::singleton();
+        default :
+            return false;
+        }
+    }
+}