/**
* Method that performs introspection on an AUTH string, and returns data as a String->String
* hashmap.
*
* @param auth the authstring to query, as built by an auth impl.
* @return the data from the introspect, in a map.
* @throws IOException if anything goes wrong.
*/
private Map<String, String> introspectAuth(String accesstoken) throws IOException {
Map<String, String> results = new HashMap<String, String>();
// create a fb client using the supplied access token
FacebookClient client = new DefaultFacebookClient(accesstoken, Version.VERSION_2_5);
try {
// get back just the email, and name for the user, we'll get the id
// for free.
// fb only allows us to retrieve the things we asked for back in
// FacebookAuth when creating the token.
User userWithMetadata =
client.fetchObject("me", User.class, Parameter.with("fields", "email,name"));
results.put("valid", "true");
results.put("email", userWithMetadata.getEmail());
results.put("name", userWithMetadata.getName());
results.put("id", "facebook:" + userWithMetadata.getId());
} catch (FacebookOAuthException e) {
results.clear();
results.put("valid", "false");
}
return results;
}
/** @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
// TODO Auto-generated method stub
PrintWriter out = response.getWriter();
out.println("* Fetching single objects *");
try {
User user = fbClient.fetchObject("me", User.class);
Page page = fbClient.fetchObject("tradesbyjack", Page.class);
out.println("User name: " + user.getName());
out.println("User name: " + user.getId());
out.println("User name: " + user.getGender());
out.println("Page likes: " + page.getLikes());
} catch (FacebookOAuthException fbexp) {
out.println("Cannot find user info. " + fbexp.getErrorMessage());
}
}
public static void getPages() {
Page page = facebookClient.fetchObject("cocacola", Page.class);
System.out.println(page.getAbout());
System.out.println("\n" + page.getDescription());
System.out.println("\n" + page.getMission());
System.out.println("\n" + page.getLocation().toString());
System.out.println("\n" + page.getAccessToken());
}
private void createUserSessionDetails(HttpServletRequest request, AuthToken token) {
// create client and get facebook user
log.debug("Creating new Facebook client for token: " + token);
FacebookClient client = new DefaultFacebookClient(token.getToken());
FacebookUser fbuser = client.fetchObject("me", FacebookUser.class);
// get current session and fetch user
Session session = sessionManager.getSessionByExternalId(fbuser.getId(), operatorId);
log.debug("Found session for client: " + session);
User user = userManager.getUser(session.getUserId());
// update display name
userManager.setDisplayName(user.getId(), fbuser.getName());
// fire event
fbuser.updateKalahDetails(user);
eventSink.userLoggedIn(user, fbuser);
// store objects in session
setSessionAttribute(request, SESSION_ATTR, session);
setSessionAttribute(request, CLIENT_ATTR, client);
setSessionAttribute(request, USER_ATTR, user);
}
public static void fbLogin() {
String token = params.get("token");
if (null != token && !token.isEmpty()) {
FacebookClient fb = new DefaultFacebookClient(token);
User fbUser = fb.fetchObject("me", User.class);
Logger.info("Facebook User:"******"Such a user does not exists. Create/Register one...");
// Register a new...
// Email uniqueness is controlled by Facebook I suppose, so no need to check on our side...
sesUser = new SUser(fbUser.getName(), fbUser.getEmail());
sesUser.fbId = fbUser.getId();
sesUser.save();
}
Auth.fbLogin(token, sesUser);
} else {
redirect("/");
}
}
@Override
public Post get(String postId) {
return facebookClient.fetchObject(postId, Post.class);
}
/**
* Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/json;charset=UTF-8");
PrintWriter out = response.getWriter();
try {
// THIS is for NOKIA application
Logger.getLogger(FBPlacesServlet.class.getName())
.log(Level.SEVERE, "Oops !!! Somebody called " + FBPlacesServlet.class.getName());
if (HttpUtils.isEmptyAny(request, "latitude", "longitude", "distance")) {
response.sendError(HttpServletResponse.SC_BAD_REQUEST);
} else {
String latitude = request.getParameter("latitude");
String longitude = request.getParameter("longitude");
String distance = request.getParameter("distance");
int limit = NumberUtils.getInt(request.getParameter("limit"), 30);
FacebookClient facebookClient =
FacebookUtils.getFacebookClient(Commons.getProperty(Property.fb_app_token));
String query = request.getParameter("q");
JsonObject placesSearch = null;
if (query != null && query.length() > 0) {
placesSearch =
facebookClient.fetchObject(
"search",
JsonObject.class,
Parameter.with("type", "place"),
Parameter.with("center", latitude + "," + longitude),
Parameter.with("distance", distance),
Parameter.with("q", query),
Parameter.with("limit", limit));
} else {
placesSearch =
facebookClient.fetchObject(
"search",
JsonObject.class,
Parameter.with("type", "place"),
Parameter.with("center", latitude + "," + longitude),
Parameter.with("distance", distance),
Parameter.with("limit", limit));
}
JsonArray data = placesSearch.getJsonArray("data");
ArrayList<Object> jsonArray = new ArrayList<Object>();
String output = "";
if (request.getParameter("version") != null
&& request.getParameter("version").equals("3")) {
for (int i = 0; i < data.length(); i++) {
Map<String, Object> jsonObject = new HashMap<String, Object>();
JsonObject place = (JsonObject) data.get(i);
jsonObject.put("name", place.getString("name"));
jsonObject.put("url", place.getString("id"));
Map<String, String> desc = new HashMap<String, String>();
if (place.has("category")) {
desc.put("category", place.getString("category"));
}
JsonObject location = place.getJsonObject("location");
Iterator<?> iter = location.sortedKeys();
while (iter.hasNext()) {
String next = (String) iter.next();
if (!(next.equals("latitude") || next.equals("longitude"))) {
desc.put(next, location.getString(next));
}
}
jsonObject.put("desc", desc);
jsonObject.put("lat", MathUtils.normalizeE6(location.getDouble("latitude")));
jsonObject.put("lng", MathUtils.normalizeE6(location.getDouble("longitude")));
jsonArray.add(jsonObject);
}
JSONObject json = new JSONObject().put("ResultSet", jsonArray);
output = json.toString();
} else if (request.getParameter("version") != null
&& request.getParameter("version").equals("2")) {
for (int i = 0; i < data.length(); i++) {
Map<String, Object> jsonObject = new HashMap<String, Object>();
JsonObject place = (JsonObject) data.get(i);
jsonObject.put("name", place.getString("name"));
jsonObject.put("desc", place.getString("id"));
JsonObject location = place.getJsonObject("location");
jsonObject.put("lat", MathUtils.normalizeE6(location.getDouble("latitude")));
jsonObject.put("lng", MathUtils.normalizeE6(location.getDouble("longitude")));
jsonArray.add(jsonObject);
}
JSONObject json = new JSONObject().put("ResultSet", jsonArray);
output = json.toString();
} else {
// data
for (int i = 0; i < data.length(); i++) {
Map<String, Object> jsonObject = new HashMap<String, Object>();
JsonObject place = (JsonObject) data.get(i);
if (place.has("name")) {
jsonObject.put("name", place.getString("name"));
} else {
jsonObject.put("name", place.getString("id"));
}
jsonObject.put("id", place.getString("id"));
JsonObject location = place.getJsonObject("location");
jsonObject.put("lat", MathUtils.normalizeE6(location.getDouble("latitude")));
jsonObject.put("lng", MathUtils.normalizeE6(location.getDouble("longitude")));
jsonArray.add(jsonObject);
}
JSONObject json = new JSONObject().put("data", jsonArray);
output = json.toString();
}
out.println(output);
}
} catch (Exception ex) {
Logger.getLogger(FBPlacesServlet.class.getName()).log(Level.SEVERE, ex.getMessage(), ex);
if (ex instanceof FacebookOAuthException) {
response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
} else {
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
} finally {
out.close();
}
}
