Defines a default fetcher implementation.
Uses drupal_http_request() to download the feed.
@Plugin(
id = "aggregator",
title = @Translation("Default fetcher"),
description = @Translation("Downloads data from a URL using Drupal's HTTP request handler.")
)
Expanded class hierarchy of DefaultFetcher
class DefaultFetcher implements FetcherInterface {
/**
* Implements Drupal\aggregator\Plugin\FetcherInterface::fetch().
*/
function fetch(&$feed) {
$request = drupal_container()
->get('http_default_client')
->get($feed->url);
$feed->source_string = FALSE;
// Generate conditional GET headers.
if ($feed->etag) {
$request
->addHeader('If-None-Match', $feed->etag);
}
if ($feed->modified) {
$request
->addHeader('If-Modified-Since', gmdate(DATE_RFC1123, $feed->modified));
}
try {
$response = $request
->send();
$feed->source_string = $response
->getBody(TRUE);
$feed->etag = $response
->getEtag();
$feed->modified = strtotime($response
->getLastModified());
$feed->http_headers = $response
->getHeaders();
return TRUE;
} catch (BadResponseException $e) {
$response = $e
->getResponse();
watchdog('aggregator', 'The feed from %site seems to be broken due to "%error".', array(
'%site' => $feed->title,
'%error' => $response
->getStatusCode() . ' ' . $response
->getReasonPhrase(),
), WATCHDOG_WARNING);
drupal_set_message(t('The feed from %site seems to be broken because of error "%error".', array(
'%site' => $feed->title,
'%error' => $response
->getStatusCode() . ' ' . $response
->getReasonPhrase(),
)));
return FALSE;
}
}
}
Name | Modifiers | Type | Description | Overrides |
---|---|---|---|---|
DefaultFetcher:: |
function |
Implements Drupal\aggregator\Plugin\FetcherInterface::fetch(). Overrides FetcherInterface:: |