Request* Request::clone(ExceptionState& exceptionState) const
{
if (bodyUsed()) {
exceptionState.throwTypeError("Request body is already used");
return nullptr;
}
FetchRequestData* request = m_request->clone();
if (blobDataHandle() && isBodyConsumed()) {
// Currently the only methods that can consume body data without
// setting 'body passed' flag consume entire body (e.g. text()). Thus
// we can set an empty blob to the new request instead of creating a
// draining stream.
// TODO(yhirano): Fix this once Request.body is introduced.
OwnPtr<BlobData> blobData = BlobData::create();
blobData->setContentType(blobDataHandle()->type());
request->setBlobDataHandle(BlobDataHandle::create(blobData.release(), 0));
}
Headers* headers = Headers::create(request->headerList());
headers->setGuard(m_headers->guard());
Request* r = new Request(executionContext(), request, headers);
r->suspendIfNeeded();
return r;
}
Response* Response::clone(ExceptionState& exceptionState)
{
if (isBodyLocked() || bodyUsed()) {
exceptionState.throwTypeError("Response body is already used");
return nullptr;
}
FetchResponseData* response = m_response->clone(executionContext());
Headers* headers = Headers::create(response->headerList());
headers->setGuard(m_headers->guard());
return new Response(executionContext(), response, headers);
}