wiki.techinc.nl/includes/api/ApiFormatFeedWrapper.php
Brad Jorsch e80638ccff API: Fix ApiFormatFeedWrapper
With recent changes to the API, directly outputting text from execute()
in ApiFormatBase subclasses doesn't work anymore. Adjust
ApiFormatFeedWrapper for this new situation, and also handle headers in
initPrinter() where that belongs.

Bug: 72359
Change-Id: I4e4a2386858da6d87169deabaca763eeeacefbe9
2014-10-22 13:13:11 -04:00

125 lines
3.6 KiB
PHP

<?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 initPrinter( $unused = false ) {
parent::initPrinter( $unused );
if ( $this->isDisabled() ) {
return;
}
$data = $this->getResultData();
if ( isset( $data['_feed'] ) && isset( $data['_feeditems'] ) ) {
$data['_feed']->httpHeaders();
} else {
// Error has occurred, print something useful
ApiBase::dieDebug( __METHOD__, 'Invalid feed class/item' );
}
}
/**
* 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'];
// execute() needs to pass strings to $this->printText, not produce output itself.
ob_start();
$feed->outHeader();
foreach ( $items as & $item ) {
$feed->outItem( $item );
}
$feed->outFooter();
$this->printText( ob_get_clean() );
} else {
// Error has occurred, print something useful
ApiBase::dieDebug( __METHOD__, 'Invalid feed class/item' );
}
}
}