import org.springframework.social.google.api.Google; //导入依赖的package包/类
public void loadConnections() {
//		MultiValueMap<String, Connection<?>> connections = getConnectionRepository().findAllConnections();
						
		Connection<Facebook> facebookConnection = getConnectionRepository().findPrimaryConnection(Facebook.class);		
		if (facebookConnection != null) {
			getView().setConnectionInfo("Facebook", true, facebookConnection.getApi().userOperations().getUserProfile().getEmail(), facebookConnection.getProfileUrl(), facebookConnection.getImageUrl());
		} else {
			getView().setConnectionInfo("Facebook", false, "", "", null);
		}
				
		Connection<Google> googleConnection = getConnectionRepository().findPrimaryConnection(Google.class);
		if (googleConnection != null) {
			getView().setConnectionInfo("Google", true, googleConnection.getDisplayName(), googleConnection.getProfileUrl(), googleConnection.getImageUrl());
		} else {
			getView().setConnectionInfo("Google", false, "", "", null);
		}
		
	}
 

import org.springframework.social.google.api.Google; //导入依赖的package包/类
/**
 * Add profile information to the model map.
 *
 * @param map
 *            the model map
 * @param principal
 *            the princial or <code>null</code>
 */
private void addProfile(ModelMap map, Principal principal) {
	if (principal != null) {
		Connection<?> connection = null;
		connection = connectionRepository.findPrimaryConnection(Twitter.class);
		if (connection == null)
			connection = connectionRepository.findPrimaryConnection(Google.class);
		if (connection == null)
			connection = connectionRepository.findPrimaryConnection(GitHub.class);
		if (connection != null) {
			map.addAttribute("profileImage", connection.getImageUrl());
			map.addAttribute("profile", connection.getProfileUrl());
		}
		Account findAccountByUsername = accountRepository.findOne(principal.getName());
		map.addAttribute(findAccountByUsername);
	}
}
 

import org.springframework.social.google.api.Google; //导入依赖的package包/类
@GetMapping
public String profile(Model model) {
	if (connectionRepository.findPrimaryConnection(Google.class) == null) {
		return "redirect:/connect/google";
	}

	String name = google.plusOperations().getGoogleProfile()
		.getDisplayName();
	model.addAttribute("name", name);

	return "profile";
}
 

import org.springframework.social.google.api.Google; //导入依赖的package包/类
@Bean
@Scope(value = "request", proxyMode = ScopedProxyMode.INTERFACES)
public Google google(final ConnectionRepository repository) {
	final Connection<Google> connection = repository
			.findPrimaryConnection(Google.class);
	return connection != null ? connection.getApi() : null;
}
 

import org.springframework.social.google.api.Google; //导入依赖的package包/类
@Override
protected String extractProviderUserId(AccessGrant accessGrant) {
  Google api = ((GoogleConfigurableServiceProvider)getServiceProvider())
      .getApi(accessGrant.getAccessToken());
  UserProfile userProfile = getApiAdapter().fetchUserProfile(api);
  return userProfile.getUsername();
}
 

import org.springframework.social.google.api.Google; //导入依赖的package包/类
@Bean
@Scope(value = "request", proxyMode = ScopedProxyMode.INTERFACES)
public Google google(ConnectionRepository repository) {
    log.debug("Connection from " + Google.class);
    Connection<Google> connection = repository.findPrimaryConnection(Google.class);
    return connection != null ? connection.getApi() : null;
}
 

import org.springframework.social.google.api.Google; //导入依赖的package包/类
@Bean
@ConditionalOnMissingBean(Google.class)
@Scope(value = "request", proxyMode = INTERFACES)
public Google google(ConnectionRepository repository) {
  return ofNullable(repository.findPrimaryConnection(Google.class))
    .map(c -> c.getApi())
    .orElse(new GoogleTemplate());
}
 

import org.springframework.social.google.api.Google; //导入依赖的package包/类
@Bean
@ConditionalOnMissingBean(Google.class)
@Scope(value = "request", proxyMode = ScopedProxyMode.INTERFACES)
public Google google(ConnectionRepository repository) {
	Connection<Google> connection = repository.findPrimaryConnection(Google.class);
	return connection != null ? connection.getApi() : new GoogleTemplate();
}
 

import org.springframework.social.google.api.Google; //导入依赖的package包/类
@Override
public boolean preHandle (HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
  String userId = userCookieGenerator.readCookieValue (request);
  if (userId != null) {
    if (connectionRepository.createConnectionRepository (userId).findPrimaryConnection (Google.class) != null)
      SecurityContext.setCurrentUser (new User (userId));
    else
      userCookieGenerator.removeCookie (response);
  }
  return true;
}
 

import org.springframework.social.google.api.Google; //导入依赖的package包/类
@Override
protected ConnectInterceptor<Google> getConnectInterceptor() {	
      if( googleConnectInterceptor == null ) {
               googleConnectInterceptor = new GoogleConnectInterceptor();
       }
       return googleConnectInterceptor;
}
 

import org.springframework.social.google.api.Google; //导入依赖的package包/类
@Override
public Google getApi(String accessToken) {
  return new ConfigurableGoogleTemplate(accessToken, baseApiUrl);
}
 

import org.springframework.social.google.api.Google; //导入依赖的package包/类
@Bean
@Scope(value = "request", proxyMode = ScopedProxyMode.INTERFACES)
public Google google() {
  return connectionRepository().getPrimaryConnection(Google.class).getApi();
}
 

import org.springframework.social.google.api.Google; //导入依赖的package包/类
@Override
protected ConnectionFactory<Google> createConnectionFactory() {
	GoogleConnectionFactory googleConnectionFactory = new GoogleConnectionFactory(googleConsumerKey, googleConsumerSecret);
	googleConnectionFactory.setScope("email");
	return googleConnectionFactory;
}
 

import org.springframework.social.google.api.Google; //导入依赖的package包/类
@Bean
@Scope(value = "request", proxyMode = ScopedProxyMode.INTERFACES)
public Google google(ConnectionRepository repository) {
    Connection<Google> connection = repository.findPrimaryConnection(Google.class);
    return connection != null ? connection.getApi() : new GoogleTemplate();
}
 

import org.springframework.social.google.api.Google; //导入依赖的package包/类
/**
 * A proxy to a request-scoped object representing the current user's primary
 * Google account.
 * 
 * @throws NotConnectedException if the user is not connected to Google.
 */
@Bean
@Scope (value = "request")
public Google google (ConnectionRepository connectionRepository) {
  return connectionRepository.getPrimaryConnection (Google.class).getApi ();
}