/**
* Render a HAL document in JSON format
*
* @param array $options Rendering options. You can currently only set json_options (json_encode options)
*
* @return string The JSON representation of the HAL document
*/
public function render($options = array())
{
if (isset($options['data_key'])) {
$this->_dataKey = $options['data_key'];
}
if (isset($options['json_options'])) {
$jsonOptions = $options['json_options'];
} else {
$jsonOptions = 0;
}
$serialiseThis = new \stdClass();
// Add links
$collection = $this->_document->getLinks();
$serialiseThis->_links = new \stdClass();
foreach ($collection as $rel => $links) {
if (!is_array($links)) {
$serialiseThis->_links->{$rel} = $this->_getLink($links);
} else {
$serialiseThis->_links->{$rel} = array();
foreach ($links as $link) {
array_push($serialiseThis->_links->{$rel}, $this->_getLink($link));
}
}
}
// Add embedded documents
$collection = $this->_document->getEmbedded();
if (!empty($collection)) {
$serialiseThis->_embedded = new \stdClass();
foreach ($collection as $rel => $embeddeddocs) {
$serialiseThis->_embedded->{$rel} = array();
if (!is_array($embeddeddocs)) {
$embeddeddocs = array($embeddeddocs);
}
foreach ($embeddeddocs as $embedded) {
$renderer = new static($embedded);
array_push($serialiseThis->_embedded->{$rel}, $renderer->render($options));
}
}
}
// Add data
$data = $this->_document->getData();
if (is_object($data)) {
if ($data instanceof DataModel) {
$data = $data->toArray();
} else {
$data = (array) $data;
}
if (!empty($data)) {
foreach ($data as $k => $v) {
$serialiseThis->{$k} = $v;
}
}
} elseif (is_array($data)) {
$serialiseThis->{$this->_dataKey} = $data;
}
return json_encode($serialiseThis, $jsonOptions);
}
