/**
* generates and prints the response based on response type supplied by the frontend.
*
* @access public
* @return void
*/
function return_data()
{
// send appropriate headers to avoid caching
header('Expires: Fri, 14 Mar 1980 20:53:00 GMT');
header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
header('Cache-Control: no-cache, must-revalidate');
header('Pragma: no-cache');
header('X-Powered-By: CPAINT v' . $this->version . '/PHP v' . phpversion());
// work only if there is no API version request
if (!isset($_REQUEST['api_query']) && !isset($_REQUEST['wsdl'])) {
// trigger generation of response
switch (trim($this->response_type)) {
case 'TEXT':
header('Content-type: text/plain; charset=' . cpaint_transformer::find_output_charset($this->basenode->get_encoding()));
echo cpaint_transformer::toString($this->basenode);
break;
case 'JSON':
header('Content-type: text/plain; charset=' . cpaint_transformer::find_output_charset($this->basenode->get_encoding()));
echo cpaint_transformer::toJSON($this->basenode);
break;
case 'OBJECT':
case 'E4X':
case 'XML':
header('Content-type: text/xml; charset=' . cpaint_transformer::find_output_charset($this->basenode->get_encoding()));
echo '<?xml version="1.0" encoding="' . cpaint_transformer::find_output_charset($this->basenode->get_encoding()) . '"?>' . cpaint_transformer::toXML($this->basenode);
break;
default:
echo 'ERROR: invalid response type \'' . $this->response_type . '\'';
}
// end: switch
} elseif (isset($_REQUEST['api_query'])) {
// API version request
header('Content-type: text/plain; charset=ISO-8859-1');
echo 'CPAINT v' . $this->version . '/PHP v' . phpversion();
} elseif ($this->use_wsdl == true && isset($_REQUEST['wsdl'])) {
if (is_file(dirname(__FILE__) . '/cpaint2.wsdl.php') && is_readable(dirname(__FILE__) . '/cpaint2.wsdl.php')) {
require_once dirname(__FILE__) . '/cpaint2.wsdl.php';
if (class_exists('cpaint_wsdl')) {
// create new instance of WSDL library
$wsdl = new cpaint_wsdl();
// build WSDL info
header('Content-type: text/xml; charset=UTF-8');
echo $wsdl->generate($this->api_functions, $this->api_datatypes);
} else {
header('Content-type: text/plain; charset=ISO-8859-1');
echo 'WSDL generator is unavailable';
}
// end: if
} else {
header('Content-type: text/plain; charset=ISO-8859-1');
echo 'WSDL generator is unavailable';
}
// end: if
}
// end: if
}
/**
* generates and prints the response based on response type supplied by the frontend.
*
* @access public
* @return void
*/
function return_data()
{
// delete output buffer
ob_end_clean();
// send appropriate headers to avoid caching
header('Expires: Fri, 14 Mar 1980 20:53:00 GMT');
header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
header('Cache-Control: no-cache, must-revalidate');
header('Pragma: no-cache');
// work only if there is no API version request
if (!isset($_GET['api_query']) && !isset($_POST['api_query'])) {
// trigger generation of response
switch (trim(strtoupper($this->response_type))) {
case 'TEXT':
header('Content-type: text/plain; charset=' . cpaint_transformer::find_output_charset($this->basenode->get_encoding()));
echo cpaint_transformer::toString($this->basenode);
break;
case 'OBJECT':
case 'XML':
header('Content-type: text/xml; charset=' . cpaint_transformer::find_output_charset($this->basenode->get_encoding()));
echo '<?xml version="1.0" encoding="' . cpaint_transformer::find_output_charset($this->basenode->get_encoding()) . '"?>' . cpaint_transformer::toXML($this->basenode);
break;
default:
echo 'ERROR: invalid response type \'' . $this->response_type . '\'';
}
// end: switch
} else {
// API version request
header('Content-type: text/plain; charset=ISO-8859-1');
echo 'CPAINT v' . $this->version . '/PHP v' . phpversion();
}
// end: if
}
