import facebook4j.auth.AccessToken; //导入依赖的package包/类
/**
 * 
 * @return
 * @throws FacebookException
 * @throws JSONException 
 */
private AccessToken getRawFacebookExchangeToken() throws FacebookException, JSONException{
    String url = "https://graph.facebook.com/oauth/access_token?grant_type=fb_exchange_token";
    String appId = configuration.getOAuthAppId(); 
    String secret = configuration.getOAuthAppSecret(); 
    String oldToken = configuration.getOAuthAccessToken(); 

    url += "&client_id="+appId+
           "&client_secret="+secret+
           "&fb_exchange_token="+oldToken;

    logger.info("entro a generar el nuevo token con el URL "+ url);
    JSONObject json = getRawFacebookCall(url);

    return new AccessToken(json.getString("access_token"), json.getLong("expires"));
    
}
 

import facebook4j.auth.AccessToken; //导入依赖的package包/类
public FacebookFeed(String searchTerm) {
    //this.setConsumer("Put Consumer Key Here", "Put Consumer Secret Here");
    //this.setToken("Put Token Here");

    this.fbInstance = FacebookFactory.getSingleton();

    fbInstance.setOAuthAppId(this.getConsumerKey(), this.getConsumerSecret());
    fbInstance.setOAuthAccessToken(new AccessToken(this.getToken()));

    try {
        messages = fbInstance.searchPosts(searchTerm);
        System.out.println(messages.size() + " messages retrieved.");
    } catch (FacebookException ex) {
        Logger.getLogger(FacebookFeed.class.getName()).log(Level.SEVERE, null, ex);
    }
}
 

import facebook4j.auth.AccessToken; //导入依赖的package包/类
/**
 * Returns a list of all Facebook pages managed by the current user.
 *
 * @param req the http request
 * @return list of all Facebook pages managed by the current user
 * @throws IOException if an error occurred during access
 */
public static ResponseList<Account> getPages(HttpServletRequest req) throws IOException {
    if (AuthHelper.isAuthenticated(req)) {
        initFacebook(req);

        try {
            AccessToken at = Tokenmanager.getFacebookAccessToken(req);
            facebook.setOAuthAccessToken(at);
            return facebook.getAccounts();
        } catch (FacebookException | IllegalStateException e) {
            return null;
        }
    }
    return null;
}
 

import facebook4j.auth.AccessToken; //导入依赖的package包/类
public static void main(String atgs[]) throws IOException, JSONException {
	Facebook facebook = new FacebookFactory().getInstance();
	
	facebook.setOAuthAppId(appId,appSecret);
	facebook.setOAuthPermissions(permissions);
	facebook.setOAuthAccessToken(new AccessToken(accessToken,1463769000L));
	String keyword = "spallions";
	Long fromTimestamp = 1463855400L; //22 may
	Long toTimestamp = ((new Date()).getTime())/1000;
	
}
 

import facebook4j.auth.AccessToken; //导入依赖的package包/类
/**
 * Authorise a new account to be accessible by Bot.
 */
public void authorizeComplete(String pin) throws FacebookException {
	AccessToken token = this.connection.getOAuthAccessToken(pin);
    setToken(token.getToken());

	User user = this.connection.getMe();
	this.userName = user.getId();
	if (token.getExpires() != null) {
		this.tokenExpiry = new Date(System.currentTimeMillis() + (token.getExpires() * 1000));
	}
	this.profileName = user.getName();

	try {
		this.page = "";
		ResponseList<Account> accounts = this.connection.getAccounts();
		this.pages = new ArrayList<String>();
		if (accounts != null) {
			for (Account account : accounts) {
				this.page = account.getName();
				this.pages.add(account.getName());
			}
		}
	} catch (Exception exception) {
		log(exception);
	}
    
   /* Map<String, String> params = new HashMap<String, String>();
    params.put("client_id", this.oauthKey);
    params.put("client_secret", this.oauthSecret);
    params.put("grant_type", "fb_exchange_token");
    params.put("fb_exchange_token", token.getToken());

    RawAPIResponse apiResponse = this.connection.callGetAPI("/oauth/access_token", params);

    String response = apiResponse.asString();
    AccessToken newAccessToken = new AccessToken(response);

    this.connection.setOAuthAccessToken(newAccessToken);
    setToken(newAccessToken.getToken());

	this.tokenExpiry = new Date(System.currentTimeMillis() + (newAccessToken.getExpires() * 1000));
	System.out.println(this.tokenExpiry);*/
}
 

import facebook4j.auth.AccessToken; //导入依赖的package包/类
/**
 * 
 * @return
 * @throws FacebookException
 * @throws JSONException 
 */
private AccessToken getRawFacebookExchangeToken() throws FacebookException, JSONException{
    
    String appId = configuration.getOAuthAppId();
    String secret = configuration.getOAuthAppSecret();
    String oldToken = configuration.getOAuthAccessToken();
    
    String url = "https://graph.facebook.com/oauth/access_token?client_id="+appId+"&client_secret="+secret+"&grant_type=fb_exchange_token&fb_exchange_token="+oldToken;

    logger.info("entro a generar el nuevo token con el URL "+ url);
    JSONObject json = getRawFacebookCall(url);

    return new AccessToken(json.getString("access_token"), json.getLong("expires"));
    
}
 

import facebook4j.auth.AccessToken; //导入依赖的package包/类
/**
 * This method sets the facebook4j client and the user access token.
 *
 * @param fb    preconfigured facebook4j client
 * @param token Facebook user access token
 */
public static void setFbVars(Facebook fb, AccessToken token) {
    FacebookStreamer.fb = fb;
    FacebookStreamer.token = token;
}
 

import facebook4j.auth.AccessToken; //导入依赖的package包/类
/**
 * This method sets the facebook4j client and the user access token.
 *
 * @param fb    preconfigured facebook4j client
 * @param token Facebook user access token
 */
public void setFbVars(Facebook fb, AccessToken token) {
    FacebookStaticLoader.fb = fb;
    FacebookStaticLoader.token = token;
}