--- /dev/null
+<?php
+/*
+ * This file is part of PHPUnit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * @since Class available since Release 4.0.0
+ */
+class PHPUnit_Runner_Filter_Factory
+{
+ /**
+ * @var array
+ */
+ private $filters = array();
+
+ /**
+ * @param ReflectionClass $filter
+ * @param mixed $args
+ */
+ public function addFilter(ReflectionClass $filter, $args)
+ {
+ if (!$filter->isSubclassOf('RecursiveFilterIterator')) {
+ throw new InvalidArgumentException(
+ sprintf(
+ 'Class "%s" does not extend RecursiveFilterIterator',
+ $filter->name
+ )
+ );
+ }
+
+ $this->filters[] = array($filter, $args);
+ }
+
+ /**
+ * @return FilterIterator
+ */
+ public function factory(Iterator $iterator, PHPUnit_Framework_TestSuite $suite)
+ {
+ foreach ($this->filters as $filter) {
+ list($class, $args) = $filter;
+ $iterator = $class->newInstance($iterator, $args, $suite);
+ }
+
+ return $iterator;
+ }
+}