/**
* Decode an HTTP Response.
* @static
* @throws displetretsidx_Google_ServiceException
* @param displetretsidx_Google_HttpRequest $response The http response to be decoded.
* @return mixed|null
*/
public static function decodeHttpResponse($response)
{
$code = $response->getResponseHttpCode();
$body = $response->getResponseBody();
$decoded = null;
if (intVal($code) >= 300) {
$decoded = json_decode($body, true);
$err = 'Error calling ' . $response->getRequestMethod() . ' ' . $response->getUrl();
if ($decoded != null && isset($decoded['error']['message']) && isset($decoded['error']['code'])) {
// if we're getting a json encoded error definition, use that instead of the raw response
// body for improved readability
$err .= ": ({$decoded['error']['code']}) {$decoded['error']['message']}";
} else {
$err .= ": ({$code}) {$body}";
}
throw new displetretsidx_Google_ServiceException($err, $code, null, $decoded['error']['errors']);
}
// Only attempt to decode the response, if the response code wasn't (204) 'no content'
if ($code != '204') {
$decoded = json_decode($body, true);
if ($decoded === null || $decoded === "") {
throw new displetretsidx_Google_ServiceException("Invalid json in service response: {$body}");
}
}
return $decoded;
}
/**
* Check if an HTTP request can be cached by a private local cache.
*
* @static
* @param displetretsidx_Google_HttpRequest $resp
* @return bool True if the request is cacheable.
* False if the request is uncacheable.
*/
public static function isRequestCacheable(displetretsidx_Google_HttpRequest $resp)
{
$method = $resp->getRequestMethod();
if (!in_array($method, self::$CACHEABLE_HTTP_METHODS)) {
return false;
}
// Don't cache authorized requests/responses.
// [rfc2616-14.8] When a shared cache receives a request containing an
// Authorization field, it MUST NOT return the corresponding response
// as a reply to any other request...
if ($resp->getRequestHeader("authorization")) {
return false;
}
return true;
}
