/**
* Load XML and parse into request components
*
* @param string $request
* @return boolean True on success, false if an error occurred.
*/
public function loadXml($request)
{
if (!is_string($request)) {
$this->_fault = new Polycast_XmlRpc_Fault(635);
$this->_fault->setEncoding($this->getEncoding());
return false;
}
try {
$xml = @new SimpleXMLElement($request);
} catch (Exception $e) {
// Not valid XML
$this->_fault = new Polycast_XmlRpc_Fault(631);
$this->_fault->setEncoding($this->getEncoding());
return false;
}
// Check for method name
if (empty($xml->methodName)) {
// Missing method name
$this->_fault = new Polycast_XmlRpc_Fault(632);
$this->_fault->setEncoding($this->getEncoding());
return false;
}
$this->_method = (string) $xml->methodName;
// Check for parameters
if (!empty($xml->params)) {
$types = array();
$argv = array();
foreach ($xml->params->children() as $param) {
if (!isset($param->value)) {
$this->_fault = new Polycast_XmlRpc_Fault(633);
$this->_fault->setEncoding($this->getEncoding());
return false;
}
try {
$param = Polycast_XmlRpc_Value::getXmlRpcValue($param->value, Polycast_XmlRpc_Value::XML_STRING);
$types[] = $param->getType();
$argv[] = $param->getValue();
} catch (Exception $e) {
$this->_fault = new Polycast_XmlRpc_Fault(636);
$this->_fault->setEncoding($this->getEncoding());
return false;
}
}
$this->_types = $types;
$this->_params = $argv;
}
$this->_xml = $request;
return true;
}
/**
* Load a response from an XML response
*
* Attempts to load a response from an XMLRPC response, autodetecting if it
* is a fault response.
*
* @param string $response
* @return boolean True if a valid XMLRPC response, false if a fault
* response or invalid input
*/
public function loadXml($response)
{
if (!is_string($response)) {
$this->_fault = new Polycast_XmlRpc_Fault(650);
$this->_fault->setEncoding($this->getEncoding());
return false;
}
try {
$xml = @new SimpleXMLElement($response);
} catch (Exception $e) {
// Not valid XML
$this->_fault = new Polycast_XmlRpc_Fault(651);
$this->_fault->setEncoding($this->getEncoding());
return false;
}
if (!empty($xml->fault)) {
// fault response
$this->_fault = new Polycast_XmlRpc_Fault();
$this->_fault->setEncoding($this->getEncoding());
$this->_fault->loadXml($response);
return false;
}
if (empty($xml->params)) {
// Invalid response
$this->_fault = new Polycast_XmlRpc_Fault(652);
$this->_fault->setEncoding($this->getEncoding());
return false;
}
try {
if (!isset($xml->params) || !isset($xml->params->param) || !isset($xml->params->param->value)) {
throw new Polycast_XmlRpc_Value_Exception('Missing XML-RPC value in XML');
}
$valueXml = $xml->params->param->value->asXML();
$valueXml = preg_replace('/<\\?xml version=.*?\\?>/i', '', $valueXml);
$value = Polycast_XmlRpc_Value::getXmlRpcValue(trim($valueXml), Polycast_XmlRpc_Value::XML_STRING);
} catch (Polycast_XmlRpc_Value_Exception $e) {
$this->_fault = new Polycast_XmlRpc_Fault(653);
$this->_fault->setEncoding($this->getEncoding());
return false;
}
$this->setReturnValue($value->getValue());
return true;
}
/**
* Constructor
*
* @param Exception $e
* @return Polycast_XmlRpc_Server_Fault
*/
public function __construct(Exception $e)
{
$this->_exception = $e;
$code = 404;
$message = 'Unknown error';
$exceptionClass = get_class($e);
foreach (array_keys(self::$_faultExceptionClasses) as $class) {
if ($e instanceof $class) {
$code = $e->getCode();
$message = $e->getMessage();
break;
}
}
parent::__construct($code, $message);
// Notify exception observers, if present
if (!empty(self::$_observers)) {
foreach (array_keys(self::$_observers) as $observer) {
call_user_func(array($observer, 'observe'), $this);
}
}
}
