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How To Login In Facebook Using Java

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How To Login In Facebook Using Java

Redirect URL page will again call the Facebook to request for user data by sending the accesstoken. Add Class, Remove Class, Toggle Class To div With Angular2 Angular2 is proving and ngClass directive as like Angular1. Good Stuff :) Firoz Shaikh says: 21/07/2014 at 3:06 pm Nice one sir& Joe says: 22/07/2014 at 10:43 am Thanks Firoz. The following page and code should guide you: final WebClient webClient = new WebClient(); final HtmlPage page1 = webClient.getPage(" final HtmlForm form = page1.getFormByName("loginform"); final HtmlSubmitInput button = form.getInputsByValue("Log in"); final HtmlTextInput textField = form.getInputByName("email"); textField.setValueAttribute("jonjon.com"); final HtmlTextInput textField = form.getInputByName("pass"); textField.setValueAttribute("ahhhh"); final HtmlPage page2 = button.click(); shareimprove this answer edited Feb 17 '10 at 23:39 answered Feb 17 '10 at 23:33 Jon 39.9k25110146 1 Thanks for the answer. KrishnaSwathi says: 17/07/2014 at 6:17 pm This is really very nice and in details. its urgent swaminathan says: 16/10/2014 at 2:06 pm hi joe, its working, thank you so much. This Java tutorial is to help implement authentication in Java using Facebook OAuth Login API. Now I will explain side navigation p. Thank you Sandeep Singh says: 18/07/2014 at 2:21 am Thanks Joe . In this tutorial, we will see how to use Facebook to implement an authentication in a custom Java application and get Facebook profile data like name, email and gender. Java RESTFUL web service tutorial with sample case study Introduction: REST stands for Representational State Transfer and is based on the doctoral dissertation of Roy Fielding . Here in below examples we can see how to set text or html to an element. AngularJS append or prepend works exactly like as jQuery. Apart from Spring Social I couldnt find any reputable Java SDK for Facebook integration. I've tried the code (see update above) however I get an element not found exception for the login form for some reason? Any idea why? –tree-hacker Feb 18 '10 at 0:00 It's the first form on the page so you should be able to get it via the getForms()[0] method. Browser will call the redirect url. Facebook will validate the application ID and then will redirect to its login page. On click of that button a Facebook URL will be invoked. BackSign UpCreate a Page for a celebrity, band or business.English (US)NederlandsFryskPolskiTrkeDeutschFranais (France)EspaolPortugus (Brasil)ItalianoSign UpLog InMessengerFacebook LiteMobileFind FriendsPeoplePagesPlacesGamesLocationsCelebritiesMarketplaceGroupsRecipesSportsLookMomentsInstagramLocalAboutCreate AdCreate PageDevelopersCareersPrivacyCookiesAd ChoicesTermsHelpSettingsActivity Log Facebook 2018. package com.javapapers.java.social.facebook; import java.io.BufferedReader; import java.io.InputStreamReader; import java.net.URL; import java.net.URLConnection; import java.util.HashMap; import java.util.Map; import org.json.JSONException; import org.json.JSONObject; public class FBGraph { private String accessToken; public FBGraph(String accessToken) { this.accessToken = accessToken; } public String getFBGraph() { String graph = null; try { String g = " + accessToken; URL u = new URL(g); URLConnection c = u.openConnection(); BufferedReader in = new BufferedReader(new InputStreamReader( c.getInputStream())); String inputLine; StringBuffer b = new StringBuffer(); while ((inputLine = in.readLine()) != null) b.append(inputLine + "n"); in.close(); graph = b.toString(); System.out.println(graph); } catch (Exception e) { e.printStackTrace(); throw new RuntimeException("ERROR in getting FB graph data. .. With a Json parser we can handle everything ourselves. Screen shot shown in the start of this tutorial is the login page in our application and following is the code. We will be using Java and a JSON parser API and other than that we will not use any third-party component. deepak says: 04/09/2014 at 11:50 am joe it is giving 404 error fbhome not found deepak says: 04/09/2014 at 12:55 pm joe i have done it thanks deepak says: 04/09/2014 at 2:45 pm joe, the appid and appsecret i have created work only for one user how can i get different user detials. Here in below examples we can see how to empty and remove an element. Facebook will validate the credentials and then redirect back to the browser with a request to forward to the redirecturl. Facebook Get Access Token. Set Attribute or Remove Attribute using AngularJS AngularJS supports .attr(), .removeAttr() jQuery functionality. Get only the firstname and see if it works. Redirect URL page will again call the Facebook to request for accesstoken. Find more of what you're looking for with Facebook Search. Learn more, including about available controls: Cookies Policy.FacebookJoin or Log Into Facebook Email or PhonePasswordForgot account?Log InDo you want to join Facebook?Sign UpSign UpThis page isn't availableThe link you followed may be broken, or the page may have been removed.Go back to the previous page Go to News Feed Visit our Help CenterEnglish (US)NederlandsFryskPolskiTrkeDeutschFranais (France)EspaolPortugus (Brasil)ItalianoSign UpLog InMessengerFacebook LiteMobileFind FriendsPeoplePagesPlacesGamesLocationsCelebritiesMarketplaceGroupsRecipesSportsLookMomentsInstagramLocalAboutCreate AdCreate PageDevelopersCareersPrivacyCookiesAd ChoicesTermsHelpSettingsActivity Log Facebook 2018. DV Singh says: 11/09/2014 at 12:30 am Thank you so much for beautiful help Ketan Patel says: 14/09/2014 at 5:01 pm Hi joe, I have implement fb login in my app.first i have make jsp file and implement fb login button cde in that jsp. package com.javapapers.java.social.facebook; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.UnsupportedEncodingException; import java.net.MalformedURLException; import java.net.URL; import java.net.URLConnection; import java.net.URLEncoder; public class FBConnection { public static final String FBAPPID = "234231262685378"; public static final String FBAPPSECRET = "y2a73dede3n49uid13502f5ab8cdt390"; public static final String REDIRECTURI = " static String accessToken = ""; public String getFBAuthUrl() { String fbLoginUrl = ""; try { fbLoginUrl = " + "clientid=" + FBConnection.FBAPPID + "&redirecturi=" + URLEncoder.encode(FBConnection.REDIRECTURI, "UTF-8") + "&scope=email"; } catch (UnsupportedEncodingException e) { e.printStackTrace(); } return fbLoginUrl; } public String getFBGraphUrl(String code) { String fbGraphUrl = ""; try { fbGraphUrl = " + "clientid=" + FBConnection.FBAPPID + "&redirecturi=" + URLEncoder.encode(FBConnection.REDIRECTURI, "UTF-8") + "&clientsecret=" + FBAPPSECRET + "&code=" + code; } catch (UnsupportedEncodingException e) { e.printStackTrace(); } return fbGraphUrl; } public String getAccessToken(String code) { if ("".equals(accessToken)) { URL fbGraphURL; try { fbGraphURL = new URL(getFBGraphUrl(code)); } catch (MalformedURLException e) { e.printStackTrace(); throw new RuntimeException("Invalid code received " + e); } URLConnection fbConnection; StringBuffer b = null; try { fbConnection = fbGraphURL.openConnection(); BufferedReader in; in = new BufferedReader(new InputStreamReader( fbConnection.getInputStream())); String inputLine; b = new StringBuffer(); while ((inputLine = in.readLine()) != null) b.append(inputLine + "n"); in.close(); } catch (IOException e) { e.printStackTrace(); throw new RuntimeException("Unable to connect with Facebook " + e); } accessToken = b.toString(); if (accessToken.startsWith("{")) { throw new RuntimeException("ERROR: Access Token Invalid: " + accessToken); } } return accessToken; } }. The browser does the request. Facebook will never call the application URL directly 5a02188284
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