Hello,
I'm trying to hook GFC/OpenSocial into my AppEngine Java website, and
I'm having trouble getting profile information to the server. I
haven't been able to find an AppEngine example in Java that I could
understand, which speaks not to poor example code, but to the fact
that I'm a bit clueless.
Here's what I'm trying to do: When a user logs into my website using
OpenSocial, I would like to take the display name and id and store it
on the AppEngine server. That way I have a server-side list of all my
users.
So I have this snippet of code on my login screen:
<!-- Load the Google AJAX API Loader -->
<script type="text/javascript"
src="http://www.google.com/jsapi";></
script>
<!-- Load the Google Friend Connect javascript library.
-->
<script type="text/javascript">
google.load('friendconnect', '0.8');
</script>
<!-- Initialize the Google Friend Connect OpenSocial
API. -->
<script type="text/javascript">
google.friendconnect.container.setParentUrl('/' /*
location of
rpc_relay.html and canvas.html */);
google.friendconnect.container.loadOpenSocialApi({
site: '15569016775267298719',
onload: function(securityToken) {
if (!window.timesloaded) {
window.timesloaded = 1;
} else {
window.timesloaded++;
}
if (window.timesloaded > 1) {
window.top.location.href = "/auth/";
}
}
});
</script>
When the user logs in, it calls a servlet called "Login.java", which
contains the following:
public class Login extends HttpServlet {
private HttpSession session = null;
public void doGet(HttpServletRequest req, HttpServletResponse
resp)
throws IOException {
session = req.getSession(true);
String cookieName = "fcauth" + "15569016775267298719";
Cookie cookies [] = req.getCookies();
Cookie authCookie = null;
if (cookies != null) {
for (int i=0; i<cookies.length; i++ ) {
if (cookies[i].getName().equals(cookieName)) {
authCookie = cookies[i];
String cookieStringValue =
authCookie.getValue();
session.setAttribute("fcauth_token",
cookieStringValue);
break;
}
}
}
getProfileData(resp);
resp.sendRedirect("/");
}
The servlet finds the fcauth cookie, sends the info to a function that
gets the profile data, and the redirects back to the homepage. The
problem lies in the getProfileData function because I don't quite
understand how to get the viewer's id number and display name. Here
is the function where that should happen:
public void getProfileData(HttpServletResponse resp) throws
IOException {
Logging thisLog;
String consumerKey = "*********************"; //
Found this on the
GFC page
String secretKey = "*********************"; //
Also found this on
the GFC page
String viewerid = ????????
// Not sure how to get the viewer's
id
OpenSocialProvider provider = OpenSocialProvider.valueOf
("FRIENDCONNECT");
OpenSocialClient client = new OpenSocialClient(provider);
client.setProperty(OpenSocialClient.Property.CONSUMER_SECRET,
secretKey);
client.setProperty(OpenSocialClient.Property.CONSUMER_KEY,
consumerKey);
client.setProperty(OpenSocialClient.Property.VIEWER_ID,
viewerid);
try {
OpenSocialPerson viewer = client.fetchPerson();
thisLog = new Logging("New Member: " +
viewer.getDisplayName() + "
" + viewer.getId());
// Insert code here to make persistent on the server
} catch (Exception e) {
}
}
}
I think if I could get the viewer id everything else should work. But
it is unclear how to do that.
Thanks for any help you can give,
Chris
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