com.naver.template.social.HomeController.java Source code

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/*
 * Copyright 2011 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.naver.template.social;

import java.util.List;

import javax.inject.Inject;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.social.facebook.api.Facebook;
import org.springframework.social.facebook.api.Reference;
import org.springframework.social.twitter.api.TwitterProfile;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

/**
 * Simple little @Controller that invokes Facebook and renders the result.
 * The injected {@link Facebook} reference is configured with the required authorization credentials for the current user behind the scenes.
 * @author Keith Donald
 */
@Controller
public class HomeController {

    final static Logger log = LoggerFactory.getLogger(HomeController.class);

    @Inject
    SimpleSocialConnectionFactory simpleConnectionFactory;

    @Inject
    SocialPostBO socialPostBO;

    @RequestMapping(value = "/post/{providerId}", method = RequestMethod.GET)
    public String post(@PathVariable String providerId, HttpServletRequest request) {
        String userId = getUserIdFromServiceSecurity(request);
        if ("facebook".equals(providerId)) {
            socialPostBO.postToFacebook(userId);
        } else if ("twitter".equals(providerId)) {
            String message = "test";
            socialPostBO.postToTwitter(userId, message);
        }
        return "redirect:/";
    }

    @RequestMapping(value = { "/", "/home" }, method = RequestMethod.GET)
    public String home(Model model, HttpServletRequest request) {
        String userId = getUserIdFromServiceSecurity(model, request);
        Facebook facebook = null;
        try {
            facebook = simpleConnectionFactory.getFacebook(userId);
        } catch (IllegalArgumentException e) {
            model.addAttribute("message", "Not logged in.");
            return "home";
        } catch (Exception e) {
            model.addAttribute("message", "Not connected.");
            return "home";
        }
        model.addAttribute("message", "Connected.");
        List<Reference> friends = facebook.friendOperations().getFriends();
        model.addAttribute("friends", friends);
        return "home";
    }

    /**
     * @param model
     * @param request
     * @return
     */
    private String getUserIdFromServiceSecurity(Model model, HttpServletRequest request) {
        String userId = userCookieGenerator.readCookieValue(request);
        if (StringUtils.isBlank(userId)) {
            userId = null;
        }
        model.addAttribute("userId", userId);
        return userId;
    }

    private String getUserIdFromServiceSecurity(HttpServletRequest request) {
        String userId = userCookieGenerator.readCookieValue(request);
        return userId;
    }

    @RequestMapping(value = "/friends", method = RequestMethod.GET)
    public String friends(Model model, HttpServletRequest request) {
        String userId = getUserIdFromServiceSecurity(model, request);
        Facebook facebook = simpleConnectionFactory.getFacebook(userId);
        log.debug("facebook{}", facebook);
        List<Reference> friends = facebook.friendOperations().getFriends();
        model.addAttribute("friends", friends);
        model.addAttribute("providerId", "facebook");
        return "friends";
    }

    @Inject
    TwitterBO twitterBO;

    @RequestMapping(value = "/friends/twitter", method = RequestMethod.GET)
    public String getTwitterFriends(Model model, HttpServletRequest request) {
        String userId = getUserIdFromServiceSecurity(model, request);
        List<TwitterProfile> friends = twitterBO.getFriendListParallel(userId);
        model.addAttribute("friends", friends);
        model.addAttribute("providerId", "twitter");
        return "friends";
    }

    @RequestMapping(value = "/signout/{providerId}", method = RequestMethod.GET)
    public String signout(@PathVariable String providerId, HttpServletRequest request) {
        String userId = getUserIdFromServiceSecurity(request);
        simpleConnectionFactory.getConnectionRepository(userId).removeConnections(providerId);
        return "redirect:/";
    }

    ServiceCookieGenerator userCookieGenerator = new ServiceCookieGenerator();

    @RequestMapping(value = "/login", method = RequestMethod.GET)
    public String login(Model model, String userId, HttpServletResponse response) {
        userCookieGenerator.addCookie(userId, response);
        return "redirect:/";
    }

    @RequestMapping(value = "/logout", method = RequestMethod.GET)
    public String logout(Model model, HttpServletResponse response) {
        userCookieGenerator.removeCookie(response);
        return "redirect:/";
    }

}