juplo.de Git - examples/facebook-app/blob - src/main/java/de/juplo/yourshouter/PermissionsController.java

   1 package de.juplo.yourshouter;
   2
   3 import java.io.PrintWriter;
   4 import java.util.List;
   5 import java.util.Map;
   6 import javax.inject.Inject;
   7 import javax.servlet.http.HttpServletRequest;
   8 import javax.servlet.http.HttpServletResponse;
   9 import org.springframework.social.connect.ConnectionFactoryLocator;
  10 import org.springframework.social.connect.ConnectionRepository;
  11 import org.springframework.social.connect.web.ConnectController;
  12
  13 import org.springframework.social.facebook.api.Facebook;
  14 import org.springframework.social.facebook.api.Permission;
  15 import org.springframework.stereotype.Controller;
  16 import org.springframework.ui.Model;
  17 import org.springframework.web.bind.annotation.RequestMapping;
  18 import org.springframework.web.bind.annotation.RequestMethod;
  19 import org.springframework.web.context.request.NativeWebRequest;
  20 import org.springframework.web.servlet.View;
  21 import org.springframework.web.servlet.view.RedirectView;
  22
  23
  24 /**
  25  * Controller, that handles requests to the root of the application.
  26  *
  27  * @author Kai Moritz
  28  */
  29 @Controller
  30 @RequestMapping("/permissions.html")
  31 public class PermissionsController extends ConnectController
  32 {
  33   private final Facebook facebook;
  34
  35
  36   @Inject
  37   public PermissionsController(
  38       ConnectionFactoryLocator connectionFactoryLocator,
  39       ConnectionRepository connectionRepository,
  40       Facebook facebook
  41       )
  42   {
  43     super(connectionFactoryLocator, connectionRepository);
  44     this.facebook = facebook;
  45   }
  46
  47
  48   @Override
  49   public String connectionStatus(NativeWebRequest request, Model model)
  50   {
  51     List<Permission> permissions = facebook.userOperations().getUserPermissions();
  52     model.addAttribute("permissions", permissions);
  53     return "permissions";
  54   }
  55
  56   @RequestMapping(method=RequestMethod.POST)
  57   public View connect(NativeWebRequest request)
  58   {
  59     final RedirectView redirect = super.connect("facebook", request);
  60     return new View()
  61     {
  62       @Override
  63       public String getContentType()
  64       {
  65         return "text/html";
  66       }
  67
  68       @Override
  69       public void render(
  70           Map<String, ?> model,
  71           HttpServletRequest request,
  72           HttpServletResponse response
  73           )
  74           throws
  75             Exception
  76       {
  77         PrintWriter writer = response.getWriter();
  78         writer.write("<script>");
  79         writer.write("top.location.href='");
  80         writer.write(redirect.getUrl());
  81         writer.write("';");
  82         writer.write("</script>");
  83         response.flushBuffer();
  84       }
  85         };
  86   }
  87
  88   @Override
  89   protected RedirectView connectionStatusRedirect(
  90       String providerId,
  91       NativeWebRequest request
  92       )
  93   {
  94     return new RedirectView("/permissions.html", true);
  95   }
  96 }