Wil*_*tri 39
我只是看看他们.
JTwitter看起来肯定是三者中最弱的.它似乎最近没有更新,没有覆盖很多Twitter API,并且除了最初的API之外似乎没有任何版本.从好的方面来说,它是LPGL许可的,它包含了它需要的额外代码,看起来小而且易于理解.
另外两个,java-twitter和Twtter4J在质量上看起来更接近.两者都涵盖了核心API,并且都具有普通开源项目的所有功能:公开可用的源代码存储库,在线文档,活动邮件列表和最近的开发活动.
然而,Twitter4J看起来是领导者.从文档中,它的API覆盖范围似乎更加完整.邮件列表肯定更活跃.文档要好得多.对我来说最重要的是,版本更频繁.java-twitter有一个版本,大约4个月前的"0.9-SNAPSHOT"版本.Twitter4J在那个时期发布了多个版本,包括2.0.0和增量版本,最高可达2.0.8,修复问题并增加对新Twitter API的支持.
我将从Twitter4J开始; 如果你没有回复,那么认为它对我来说真的很棒.
我使用Twitter4J并且尚未遇到问题.我其实非常喜欢它.
他们在网站上提供的OAuth示例是最大的麻烦 - 它没有帮助.如果您感兴趣(或其他任何人),这是我的OAuthServlet代码.我知道这个问题相当陈旧,所以我把它放在这里更多的搜索结果.
package com.example.oauth;
import java.io.PrintWriter;
import java.io.IOException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import twitter4j.*;
import twitter4j.http.*;
@SuppressWarnings("serial")
public class OAuthServlet extends HttpServlet {
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
HttpSession sess = req.getSession(true);
RequestToken requestToken = (RequestToken) sess.getAttribute("requestToken");
if (sess.getAttribute("twitter_user_id") != null) {
resp.setContentType("text/plain");
PrintWriter out = resp.getWriter();
if (req.getRequestURI().indexOf("logout") > 3) {
sess.removeAttribute("twitter_user_id");
out.println("You're now logged out.");
} else {
out.println("You're already logged in!");
}
} else if (req.getRequestURI().indexOf("callback") > 3 && req.getParameter("oauth_token").length() > 0 && requestToken != null) {
handleCallback(req, resp, sess);
if (sess.getAttribute("oauth_previous") != null) {
resp.sendRedirect((String) sess.getAttribute("oauth_previous"));
sess.removeAttribute("oauth_previous");
}
} else {
sendToTwitter(resp, sess);
sess.setAttribute("oauth_previous", req.getHeader("Referer"));
}
}
private void sendToTwitter(HttpServletResponse resp, HttpSession sess) throws IOException {
RequestToken requestToken = (RequestToken) sess.getAttribute("requestToken");
try {
Twitter twitter = new TwitterCnx().registerOAuth().get();
requestToken = twitter.getOAuthRequestToken();
sess.setAttribute("requestToken", requestToken);
resp.sendRedirect(requestToken.getAuthorizationURL());
} catch (TwitterException e) {
PrintWriter out = resp.getWriter();
out.println(e.getStackTrace());
}
}
private void handleCallback(HttpServletRequest req, HttpServletResponse resp, HttpSession sess) throws IOException {
RequestToken requestToken = (RequestToken) sess.getAttribute("requestToken");
sess.removeAttribute("requestToken");
String secret = req.getParameter("oauth_token");
resp.setContentType("text/plain");
PrintWriter out = resp.getWriter();
try {
Twitter t = new TwitterCnx().registerOAuth().get();
AccessToken accessToken = t.getOAuthAccessToken(requestToken.getToken(), secret);
long id = (long) t.verifyCredentials().getId();
storeAccessToken(id, accessToken,sess);
sess.setAttribute("twitter_user_id", id);
out.println("You're now logged in!");
} catch (TwitterException e) {
out.println("Something went wrong. Sorry about that. Please try again.");
}
}
private void storeAccessToken(Long id, AccessToken at, HttpSession sess) {
//you probably want to persist this somewhere other than in sessions.
sess.setAttribute("secret", at.getTokenSecret() );
sess.setAttribute("token", at.getToken());
//also, don't forget to persist the user id alongside the token.
}
}
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我使用TwitterCnx类作为twitter4j.Twitter的包装器.TwitterCnx定义我的OAuth消费者的东西并返回一个Twitter对象.这是一个使用静态方法的最终类,所以我不会为每个应用实例生成多个Twitter对象.
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