/**
* Translate from json to xml
*
* @param PayloadInterface $payload
*/
public static function translate(PayloadInterface $payload)
{
switch ($payload->getContentType()) {
case 'text/xml':
case 'application/xml':
return clone $payload;
case 'application/json':
$obj = new Payload('text/xml');
$data = json_decode($payload->getContent(), TRUE);
static::insureValidKeys($data);
$xml = ArrayToXml::convert($data);
$obj->setContent($xml);
return $obj;
default:
return static::failedTranslation($payload);
}
}
public function testRealWorld1()
{
$subject = <<<EOD
{
"collection": {
"error": {
"code": "404",
"message": "Cycle 9710018 does not exist.",
"title": "Not found"
},
"href": "http://dev.ovagraph.local/api/3.0/cycles/9710018",
"version": "1.0"
}
}
EOD;
$payload = new Payload('application/vnd.collection+json');
$payload->setContent($subject);
$json = CollectionJsonToJson::translate($payload)->getContent();
$control = '{"collection":{"error":{"code":"404","message":"Cycle 9710018 does not exist.","title":"Not found"}}}';
$this->assertSame($control, $json);
}
/**
* Method to produce and return a consistent Payload object.
*
* Use this when a translation fails.
*
* @param \AKlump\Http\Transfer\Payload $payload [description]
*
* @return \AKlump\Http\Transfer\Payload A new payload containing a failure message.
*/
public static function failedTranslation($payload)
{
$obj = new Payload('text/error');
$obj->setContent('Unable to recognize/translate mime type: ' . $payload->getContentType());
return $obj;
}
public static function translate(PayloadInterface $payload)
{
if ($payload->getContentType() === 'application/json') {
return clone $payload;
}
$obj = new Payload('application/json');
if (!in_array($payload->getContentType(), array('application/vnd.collection+json'))) {
return static::failedTranslation($payload);
}
$source = json_decode($payload->getContent());
$items = array();
$output = new \stdClass();
$root = 'collection';
if (isset($source->collection->items)) {
$items = $source->collection->items;
} elseif (isset($source->template->data)) {
$items = array((object) array('data' => $source->template->data));
$root = 'template';
}
foreach ($items as $item) {
$output_item = (object) array('data' => new \stdClass());
if (isset($item->data)) {
foreach ($item->data as $data) {
if (!empty($data->name)) {
$output_item->data->{$data->name} = $data->value;
}
}
}
if (isset($item->links)) {
foreach ($item->links as $link) {
if (!empty($link->name)) {
$name = $link->name;
} else {
$name = $link->href;
$parsed = parse_url($name);
unset($parsed['scheme']);
$name = preg_replace('/[.\\/_]+/', '_', implode('_', $parsed));
}
$render = isset($link->render) ? $link->render : 'link';
$key = $render . 's';
if (!isset($output_item->{$key})) {
$output_item->{$key} = new \stdClass();
}
$output_item->{$key}->{$name} = $link->href;
}
}
$output->items[] = $output_item;
}
if (isset($source->collection->error)) {
$output->error = $source->collection->error;
}
switch ($root) {
case 'collection':
$output = (object) array('collection' => $output);
break;
case 'template':
$output = (object) array('template' => reset($output->items));
break;
}
$obj->setContent(json_encode($output));
return $obj;
}