1 files changed, 101 insertions, 0 deletions
diff --git a/includes/api/ApiFormatFeedWrapper.php b/includes/api/ApiFormatFeedWrapper.php
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+<?php
+/**
+ *
+ *
+ * Created on Sep 19, 2006
+ *
+ * Copyright © 2006 Yuri Astrakhan "<Firstname><Lastname>@gmail.com"
+ *
+ * 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
+ */
+
+/**
+ * This printer is used to wrap an instance of the Feed class
+ * @ingroup API
+ */
+class ApiFormatFeedWrapper extends ApiFormatBase {
+
+	public function __construct( ApiMain $main ) {
+		parent::__construct( $main, 'feed' );
+	}
+
+	/**
+	 * Call this method to initialize output data. See execute()
+	 * @param ApiResult $result
+	 * @param object $feed An instance of one of the $wgFeedClasses classes
+	 * @param array $feedItems Array of FeedItem objects
+	 */
+	public static function setResult( $result, $feed, $feedItems ) {
+		// Store output in the Result data.
+		// This way we can check during execution if any error has occurred
+		// Disable size checking for this because we can't continue
+		// cleanly; size checking would cause more problems than it'd
+		// solve
+		$result->addValue( null, '_feed', $feed, ApiResult::NO_SIZE_CHECK );
+		$result->addValue( null, '_feeditems', $feedItems, ApiResult::NO_SIZE_CHECK );
+	}
+
+	/**
+	 * Feed does its own headers
+	 *
+	 * @return null
+	 */
+	public function getMimeType() {
+		return null;
+	}
+
+	/**
+	 * Optimization - no need to sanitize data that will not be needed
+	 *
+	 * @return bool
+	 */
+	public function getNeedsRawData() {
+		return true;
+	}
+
+	/**
+	 * ChannelFeed doesn't give us a method to print errors in a friendly
+	 * manner, so just punt errors to the default printer.
+	 * @return bool
+	 */
+	public function canPrintErrors() {
+		return false;
+	}
+
+	/**
+	 * This class expects the result data to be in a custom format set by self::setResult()
+	 * $result['_feed'] - an instance of one of the $wgFeedClasses classes
+	 * $result['_feeditems'] - an array of FeedItem instances
+	 */
+	public function execute() {
+		$data = $this->getResultData();
+		if ( isset( $data['_feed'] ) && isset( $data['_feeditems'] ) ) {
+			$feed = $data['_feed'];
+			$items = $data['_feeditems'];
+
+			$feed->outHeader();
+			foreach ( $items as & $item ) {
+				$feed->outItem( $item );
+			}
+			$feed->outFooter();
+		} else {
+			// Error has occurred, print something useful
+			ApiBase::dieDebug( __METHOD__, 'Invalid feed class/item' );
+		}
+	}
+}