private void OnDownloadDialogResp(RESTConnector.Request req, RESTConnector.Response resp)
{
DownloadDialogReq downloadReq = req as DownloadDialogReq;
if (downloadReq == null)
{
throw new WatsonException("Unexpected type.");
}
if (resp.Success)
{
try {
if (SaveFile != null)
{
SaveFile(downloadReq.DialogFileName, resp.Data);
}
else
{
#if !UNITY_WEBPLAYER
File.WriteAllBytes(downloadReq.DialogFileName, resp.Data);
#endif
}
}
catch (Exception e)
{
Log.Error("Dialog", "Caught exception: {0}", e.ToString());
resp.Success = false;
}
}
if (((DownloadDialogReq)req).Callback != null)
{
((DownloadDialogReq)req).Callback(resp.Success);
}
}
/// <summary>
/// Downloads the dialog by the dialog ID into the provided filename.
/// </summary>
/// <param name="dialogId">The ID of the dialog to download.</param>
/// <param name="dialogFileName">The filename to download the dialog into.</param>
/// <param name="callback">The callback to invoke on failure or success.</param>
/// <param name="format">The format to download.</param>
/// <returns>Returns true if request is sent.</returns>
public bool DownloadDialog(string dialogId, string dialogFileName, OnDialogCallback callback, DialogFormat format = DialogFormat.XML)
{
if (string.IsNullOrEmpty(dialogId))
{
throw new ArgumentNullException("dialogId");
}
if (string.IsNullOrEmpty(dialogFileName))
{
throw new ArgumentNullException("dialogFileName");
}
if (callback == null)
{
throw new ArgumentNullException("callback");
}
RESTConnector connector = RESTConnector.GetConnector(SERVICE_ID, "/v1/dialogs/" + dialogId);
if (connector == null)
{
return(false);
}
DownloadDialogReq req = new DownloadDialogReq();
req.DialogFileName = dialogFileName;
req.Callback = callback;
req.OnResponse = OnDownloadDialogResp;
if (format == DialogFormat.XML)
{
req.Headers["Accept"] = "application/wds+xml";
}
else if (format == DialogFormat.JSON)
{
req.Headers["Accept"] = "application/wds+json";
}
else
{
req.Headers["Accept"] = "application/octet-stream";
}
return(connector.Send(req));
}