[Spring] 페이스북 로그인 API

package com.bitproject.controller;

import javax.annotation.Resource;
import javax.inject.Inject;
import javax.servlet.http.HttpServletRequest;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.social.connect.Connection;
import org.springframework.social.connect.ConnectionFactoryLocator;
import org.springframework.social.connect.ConnectionRepository;
import org.springframework.social.connect.web.ConnectController;
import org.springframework.social.facebook.api.Facebook;
import org.springframework.social.facebook.api.User;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.servlet.view.RedirectView;

import com.bitproject.domain.UserVO;
import com.bitproject.service.UserService;

@Controller
@RequestMapping("/connect")
public class FacebookTestController extends ConnectController {
	final Logger logger = LoggerFactory.getLogger(this.getClass());
	private String TARGET_URL = new String();

	@Inject
	private UserService service;

	@Resource(name="inMemoryConnectionRepository")
	private ConnectionRepository connectionRepository;

	@Inject
	public FacebookTestController(ConnectionFactoryLocator connectionFactoryLocator, ConnectionRepository connectionRepository) {
		super(connectionFactoryLocator, connectionRepository);
	}

	@RequestMapping(value="/{providerId}", method=RequestMethod.POST)
	public RedirectView connect(@PathVariable String providerId, NativeWebRequest request) {
		HttpServletRequest httpServletRequest = (HttpServletRequest)request.getNativeRequest();
		TARGET_URL = httpServletRequest.getHeader("REFERER");
		return super.connect(providerId, request);
	}

	@RequestMapping(value="/{providerId}", method= RequestMethod.GET, params="code")
	public RedirectView oauth2Callback(@PathVariable String providerId, NativeWebRequest request) {
		RedirectView redirectView = super.oauth2Callback(providerId, request);

		// 사용자 정보 가져오기
		Connection<Facebook> connection = connectionRepository.findPrimaryConnection(Facebook.class);
		Facebook facebook = connection.getApi();
		String [] fields = { "id", "age_range", "email", "first_name", "gender",
				"last_name", "link", "locale", "name", "third_party_id", "verified"};
		User userProfile = facebook.fetchObject("me", User.class, fields);
		UserVO vo = null;
		// 로그인 처리
		try {
			vo = service.onAuthenticationBinding(new UserVO(), userProfile);

			request.setAttribute("login",vo,1);
			logger.info("facebook 서비스 처리");
			logger.info("facebook : " + vo);

		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		redirectView.setUrl(TARGET_URL);
		return redirectView;
	}
}

@Override
	public UserVO onAuthenticationBinding(UserVO user, User facebookUser) throws Exception {
		// TODO Auto-generated method stub
		user.setUser_snsId(facebookUser.getId());
		user.setUser_email(facebookUser.getEmail());
		user.setUser_name(facebookUser.getName());

		int sex=0;
		if(facebookUser.getGender().equals("male")) {
			sex = 1;
		}else {
			sex = 0;
		}
		user.setUser_sex(sex);


//		dao.insertUser(user);
		System.out.println(dao.snsLogin(user.getUser_snsId()));

		if(dao.snsLogin(user.getUser_snsId())==null) {
			dao.insertUser(user);
		}

		System.out.println(user.toString());
		return dao.snsLogin(user.getUser_snsId());

	}