/**
* Send an NCIP request.
*
* @param string $xml XML request document
*
* @return object SimpleXMLElement parsed from response
*/
protected function sendRequest($xml)
{
// Make the NCIP request:
try {
$client = new HttpClient();
$client->setUri($this->config['Catalog']['url']);
$client->setParameterPost(array('NCIP' => $xml));
$result = $client->setMethod('POST')->send();
} catch (\Exception $e) {
throw new ILSException($e->getMessage());
}
if (!$result->isSuccess()) {
throw new ILSException('HTTP error');
}
// Process the NCIP response:
$response = $result->getBody();
if ($result = @simplexml_load_string($response)) {
return $result;
} else {
throw new ILSException("Problem parsing XML");
}
}
/**
* Support method -- perform an HTTP request. This will be a GET request unless
* either $postParams or $rawPost is set to a non-null value.
*
* @param string $url Target URL for request
* @param array $postParams Associative array of POST parameters (null for
* none).
* @param string $rawPost String representing raw POST parameters (null for
* none).
*
* @throws ILSException
* @return string Response body
*/
protected function httpRequest($url, $postParams = null, $rawPost = null)
{
$method = is_null($postParams) && is_null($rawPost) ? 'GET' : 'POST';
try {
$client = new HttpClient();
$client->setUri($url);
if (is_array($postParams)) {
$client->setParameterPost($postParams);
}
if (!is_null($rawPost)) {
$client->setRawBody($rawPost);
$client->setEncType('application/x-www-form-urlencoded');
}
$result = $client->setMethod($method)->send();
} catch (\Exception $e) {
throw new ILSException($e->getMessage());
}
if (!$result->isSuccess()) {
throw new ILSException('HTTP error');
}
return $result->getBody();
}
