/**
* Convert an Array to XML
* @param string $node_name - name of the root node to be converted
* @param array $arr - aray to be converterd
* @return DomDocument
*/
public static function &createXML($node_name, $arr = array())
{
$xml = self::getXMLRoot();
$xml->appendChild(self::convert($node_name, $arr));
self::$xml = null;
// clear the xml node in the class for 2nd time use.
return $xml;
}
/**
* Generate Response
*
* Generates a response after determining the accepted response from the client
*
* @param mixed $body Array of what should be in the body
* @return string XML or JSON or WHATever
* @access private
*/
private function generateResponse($body)
{
$ret = false;
if (!is_array($body)) {
$body = array("message" => $body);
}
$accepts = explode(",", $this->req->headers->accept);
foreach ($accepts as $accept) {
//strip off content accept priority
$accept = preg_replace('/;(.*)/i', '', $accept);
switch ($accept) {
case "text/json":
case "application/json":
$this->addHeader('Content-Type', 'text/json');
return json_encode($body);
break;
case "text/xml":
case "application/xml":
$this->addHeader('Content-Type', 'text/xml');
//DOMDocument provides us with pretty print XML. Which is...pretty.
require_once dirname(__FILE__) . '/Array2XML2.class.php';
$xml = \Array2XML2::createXML('response', $body);
return $xml->saveXML();
}
}
//If nothing is defined then just default to showing json
//TODO: move this up into the switch statement?
$this->addHeader('Content-Type', 'text/json');
return json_encode($body);
}
