Added IOFactory

src/IOFactory.php

@@ -0,0 +1,34 @@
+<?php
+
+
+namespace JeroenED\Libpairtwo;
+
+use JeroenED\LibPairtwo\Exceptions\LibpairtwoException;
+use JeroenED\Libpairtwo\Interfaces\ReaderInterface;
+
+abstract class IOFactory
+{
+    private static $readers = [
+        'Pairtwo-6' => Readers\Pairtwo6::class
+    ];
+
+
+    /**
+     * Creates a reader for $type
+     *
+     * @param string $type
+     * @return ReaderInterface
+     */
+    public static function createReader(string $type): ReaderInterface
+    {
+        if (!isset(self::$readers[$type])) {
+            throw new LibpairtwoException("Cannot read type $type");
+        }
+
+        // create reader class
+        $readerClass = self::$readers[$type];
+        $reader = new $readerClass;
+
+        return $reader;
+    }
+}