From fe623a323b21720074e1ac4ca6c9a8a7dd38e725 Mon Sep 17 00:00:00 2001
From: Aaron Schulz <aaron@users.mediawiki.org>
Date: Tue, 12 Jul 2011 18:01:16 +0000
Subject: [PATCH] Added WikiPageFactory class with newFromTitle() function

---
 includes/AutoLoader.php                |  1 +
 includes/WikiPageFactory.php           | 28 ++++++++++++++++++++++++++
 tests/phpunit/includes/ArticleTest.php | 13 ++++++++++++
 3 files changed, 42 insertions(+)
 create mode 100644 includes/WikiPageFactory.php

diff --git a/includes/AutoLoader.php b/includes/AutoLoader.php
index af97abf693..41daa7bb75 100644
--- a/includes/AutoLoader.php
+++ b/includes/AutoLoader.php
@@ -243,6 +243,7 @@ $wgAutoloadLocalClasses = array(
 	'WikiFilePage' =>  'includes/WikiFilePage.php',
 	'WikiImporter' => 'includes/Import.php',
 	'WikiPage' =>  'includes/WikiPage.php',
+	'WikiPageFactory' => 'includes/WikiPageFactory.php',
 	'WikiRevision' => 'includes/Import.php',
 	'WikiMap' => 'includes/WikiMap.php',
 	'WikiReference' => 'includes/WikiMap.php',
diff --git a/includes/WikiPageFactory.php b/includes/WikiPageFactory.php
new file mode 100644
index 0000000000..4310c387de
--- /dev/null
+++ b/includes/WikiPageFactory.php
@@ -0,0 +1,28 @@
+<?php
+/**
+ * Factory class for classes representing a MediaWiki article and history.
+ */
+class WikiPageFactory {
+	/**
+	 * Create an WikiPage object of the appropriate class for the given title.
+	 *
+	 * @param $title Title
+	 * @return WikiPage object
+	 */
+	public static function newFromTitle( Title $title ) {
+		switch( $title->getNamespace() ) {
+			case NS_MEDIA:
+				throw new MWException( "NS_MEDIA is a virtual namespace" );
+			case NS_FILE:
+				$page = new WikiFilePage( $title );
+				break;
+			case NS_CATEGORY:
+				$page = new WikiCategoryPage( $title );
+				break;
+			default:
+				$page = new WikiPage( $title );
+		}
+
+		return $page;
+	}
+}
diff --git a/tests/phpunit/includes/ArticleTest.php b/tests/phpunit/includes/ArticleTest.php
index 1814b86128..449851c56b 100644
--- a/tests/phpunit/includes/ArticleTest.php
+++ b/tests/phpunit/includes/ArticleTest.php
@@ -63,4 +63,17 @@ class ArticleTest extends MediaWikiTestCase {
 			"Article static functions" );
 	}
 
+	function testWikiPageFactory() {
+		$title = Title::makeTitle( NS_FILE, 'Someimage.png' );
+		$page = WikiPageFactory::newFromTitle( $title );
+		$this->assertEquals( 'WikiFilePage', get_class( $page ) );
+		
+		$title = Title::makeTitle( NS_CATEGORY, 'SomeCategory' );
+		$page = WikiPageFactory::newFromTitle( $title );
+		$this->assertEquals( 'WikiCategoryPage', get_class( $page ) );
+		
+		$title = Title::makeTitle( NS_MAIN, 'SomePage' );
+		$page = WikiPageFactory::newFromTitle( $title );
+		$this->assertEquals( 'WikiPage', get_class( $page ) );
+	}
 }
-- 
2.20.1