6142: Add a rewrite for the Iways_PayPalPlus autoloader for better compatibility

Resolves #2

Author: schmengler

src/app/code/community/IntegerNet/Solr/Helper/Autoloader/PayPalPlus.php

@@ -0,0 +1,30 @@
+<?php
+/**
+ * integer_net Magento Module
+ *
+ * @category   IntegerNet
+ * @package    IntegerNet_Solr
+ * @copyright  Copyright (c) 2016 integer_net GmbH (http://www.integer-net.de/)
+ * @author     Fabian Schmengler <fs@integer-net.de>
+ */
+
+/**
+ * This rewrite fixes the Iways_PayPalPlus autoloader to work nicely together with other third party autoloaders,
+ * i.e. without warnings.
+ */
+class IntegerNet_Solr_Helper_Autoloader_PayPalPlus extends Iways_PayPalPlus_Model_Autoloader
+{
+    /**
+     * Autoload
+     *
+     * @param string $class
+     */
+    public function autoload($class)
+    {
+        $classFile = str_replace('\\', DS, $class) . '.php';
+        // Actually check if file exists in include path, do nothing otherwise
+        if (stream_resolve_include_path($classFile) !== false) {
+            include $classFile;
+        }
+    }
+}

src/app/code/community/IntegerNet/Solr/etc/config.xml

@@ -39,6 +39,12 @@
                     <layer_filter_category>IntegerNet_Solr_Model_Catalog_Layer_Filter_Category</layer_filter_category>
                 </rewrite>
             </catalog>
+
+            <iways_paypalplus>
+                <rewrite>
+                    <autoloader>IntegerNet_Solr_Helper_Autoloader_PayPalPlus</autoloader>
+                </rewrite>
+            </iways_paypalplus>
         </models>
 
         <blocks>