MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / includes / title / NamespaceImportTitleFactory.php

diff --git a/includes/title/NamespaceImportTitleFactory.php b/includes/title/NamespaceImportTitleFactory.php
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+<?php
+/**
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @license GPL 2+
+ */
+
+/**
+ * A class to convert page titles on a foreign wiki (ForeignTitle objects) into
+ * page titles on the local wiki (Title objects), placing all pages in a fixed
+ * local namespace.
+ */
+class NamespaceImportTitleFactory implements ImportTitleFactory {
+       /** @var int */
+       protected $ns;
+
+       /**
+        * @param int $ns The namespace to use for all pages
+        */
+       public function __construct( $ns ) {
+               if ( !MWNamespace::exists( $ns ) ) {
+                       throw new MWException( "Namespace $ns doesn't exist on this wiki" );
+               }
+               $this->ns = $ns;
+       }
+
+       /**
+        * Determines which local title best corresponds to the given foreign title.
+        * If such a title can't be found or would be locally invalid, null is
+        * returned.
+        *
+        * @param ForeignTitle $foreignTitle The ForeignTitle to convert
+        * @return Title|null
+        */
+       public function createTitleFromForeignTitle( ForeignTitle $foreignTitle ) {
+               return Title::makeTitleSafe( $this->ns, $foreignTitle->getText() );
+       }
+}