/**
* Execute a unit of processing work to be performed.
*
* This Command may either complete the required processing and return true,
* or delegate remaining processing to the next Command in a Chain containing
* this Command by returning false.
*
* @param ehough_chaingang_api_Context $context The Context to be processed by this Command.
*
* @return boolean True if the processing of this Context has been completed, or false if the
* processing of this Context should be delegated to a subsequent Command
* in an enclosing Chain.
*/
public function execute(ehough_chaingang_api_Context $context)
{
$response = $context->get('response');
$encoding = $response->getHeaderValue(ehough_shortstop_api_HttpResponse::HTTP_HEADER_TRANSFER_ENCODING);
if (strcasecmp($encoding, 'chunked') !== 0) {
if ($this->_logger->isHandling(ehough_epilog_Logger::DEBUG)) {
$this->_logger->debug('Response is not encoded with Chunked-Transfer');
}
return false;
}
/** @noinspection PhpUndefinedMethodInspection */
$decoded = self::_decode($response->getEntity()->getContent());
$context->put('response', $decoded);
return true;
}
/**
* Execute a unit of processing work to be performed.
*
* This Command may either complete the required processing and return true,
* or delegate remaining processing to the next Command in a Chain containing
* this Command by returning false.
*
* @param ehough_chaingang_api_Context $context The Context to be processed by this Command.
*
* @return boolean True if the processing of this Context has been completed, or false if the
* processing of this Context should be delegated to a subsequent Command
* in an enclosing Chain.
*/
public final function execute(ehough_chaingang_api_Context $context)
{
$response = $context->get('response');
$encoding = $response->getHeaderValue(ehough_shortstop_api_HttpResponse::HTTP_HEADER_CONTENT_ENCODING);
$logger = $this->getLogger();
$isDebugEnabled = $logger->isHandling(ehough_epilog_Logger::DEBUG);
if (strcasecmp($encoding, $this->getExpectedContentEncodingHeaderValue()) !== 0) {
if ($isDebugEnabled) {
$logger->debug(sprintf('Content is not encoded with %s', $this->getExpectedContentEncodingHeaderValue()));
}
return false;
}
if (!$this->isAvailiable()) {
if ($isDebugEnabled) {
$logger->debug('Not available on this installation.');
}
return false;
}
/** @noinspection PhpUndefinedMethodInspection */
$compressed = $response->getEntity()->getContent();
if (!is_string($compressed)) {
$logger->error('Can only decompress string data');
return false;
}
if ($isDebugEnabled) {
$logger->debug('Attempting to decompress data...');
}
/* this will throw an exception if we couldn't decompress it. */
try {
$uncompressed = $this->getUncompressed($compressed);
} catch (Exception $e) {
return false;
}
/* do some logging. */
if ($isDebugEnabled) {
$this->_logSuccess($logger, strlen($compressed), strlen($uncompressed));
}
$context->put('response', $uncompressed);
/* signal that we've handled execution. */
return true;
}
private function _handleTransportException(Exception $e, ehough_shortstop_api_HttpRequest $request, ehough_chaingang_api_Context $context, $isDebugEnabled, ehough_epilog_psr_LoggerInterface $logger)
{
$this->_tearDown($request, true);
/**
* Fire an error event.
*/
$transportFailureEvent = new ehough_tickertape_GenericEvent($this, array('request' => $request, 'response' => $context->containsKey('response') ? $context->get('response') : null, 'exception' => $e, 'rethrow' => false, 'tryOtherTransports' => true));
$this->_eventDispatcher->dispatch(ehough_shortstop_api_Events::TRANSPORT_FAILURE, $transportFailureEvent);
if ($transportFailureEvent->getArgument('rethrow')) {
if ($isDebugEnabled) {
$logger->error(sprintf('Caught exception when handling %s (%s). Will re-throw.', $request, $e->getMessage()));
}
throw new ehough_shortstop_api_exception_RuntimeException($e->getMessage());
}
if ($transportFailureEvent->getArgument('tryOtherTransports')) {
if ($isDebugEnabled) {
$logger->debug('Transport failed, but trying the next...');
}
return false;
}
if ($isDebugEnabled) {
$logger->debug('Transport failed, and not trying any others...');
}
return true;
}
