/**
* @param RequestInterface $request Request that received an error
* @param CommandInterface $command Command that created the request
* @param Operation $operation Operation that defines the request and errors
*
* @return \Closure Returns a closure
* @throws ErrorResponseException
*/
protected function getErrorClosure(RequestInterface $request, CommandInterface $command, Operation $operation)
{
return function (Event $event) use($request, $command, $operation) {
$response = $event['response'];
foreach ($operation->getErrorResponses() as $error) {
if (!isset($error['class'])) {
continue;
}
if (isset($error['code']) && $response->getStatusCode() != $error['code']) {
continue;
}
if (isset($error['reason']) && $response->getReasonPhrase() != $error['reason']) {
continue;
}
$className = $error['class'];
$errorClassInterface = __NAMESPACE__ . '\\ErrorResponseExceptionInterface';
if (!class_exists($className)) {
throw new ErrorResponseException("{$className} does not exist");
} elseif (!in_array($errorClassInterface, class_implements($className))) {
throw new ErrorResponseException("{$className} must implement {$errorClassInterface}");
}
throw $className::fromCommand($command, $response);
}
};
}
/**
* Create the root XML element to use with a request
*
* @param Operation $operation Operation object
*
* @return \XMLWriter
*/
protected function createRootElement(Operation $operation)
{
static $defaultRoot = array('name' => 'Request');
// If no root element was specified, then just wrap the XML in 'Request'
$root = $operation->getData('xmlRoot') ?: $defaultRoot;
// Allow the XML declaration to be customized with xmlEncoding
$encoding = $operation->getData('xmlEncoding');
$xmlWriter = $this->startDocument($encoding);
$xmlWriter->startElement($root['name']);
// Create the wrapping element with no namespaces if no namespaces were present
if (!empty($root['namespaces'])) {
// Create the wrapping element with an array of one or more namespaces
foreach ((array) $root['namespaces'] as $prefix => $uri) {
$nsLabel = 'xmlns';
if (!is_numeric($prefix)) {
$nsLabel .= ':' . $prefix;
}
$xmlWriter->writeAttribute($nsLabel, $uri);
}
}
return $xmlWriter;
}
