Introduce PostTypeBlacklistFilter #49

inc/Import/Filter/BlacklistPostTypeFilter.php

@@ -0,0 +1,53 @@
+<?php # -*- coding: utf-8 -*-
+
+namespace W2M\Import\Filter;
+
+use
+	W2M\Import\Type;
+
+/**
+ * Class BlacklistPostTypeFilter
+ *
+ * Basically for development purposes
+ *
+ * @package W2M\Import\Filter
+ */
+class BlacklistPostTypeFilter implements PostImportFilterInterface {
+
+	/**
+	 * @var array
+	 */
+	private $blacklist;
+
+	/**
+	 * @var PostImportFilterInterface
+	 */
+	private $filter;
+
+	/**
+	 * @param array $blacklist
+	 * @param PostImportFilterInterface $filter (Optional)
+	 */
+	public function __construct( array $blacklist, PostImportFilterInterface $filter = NULL ) {
+
+		$this->blacklist = $blacklist;
+		$this->filter    = $filter
+			? $filter
+			: new PostPassThroughFilter;
+	}
+	/**
+	 * Checks if a post should be imported or not
+	 *
+	 * @param Type\ImportPostInterface $import_post
+	 *
+	 * @return bool
+	 */
+	public function post_to_import( Type\ImportPostInterface $import_post ) {
+
+		if ( ! in_array( $import_post->type(), $this->blacklist ) )
+			return FALSE;
+
+		return $this->filter->post_to_import( $import_post );
+	}
+
+}