Java Jsoup 获取重定向的 URL
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Jsoup get redirected URL
提问by Sorter
I'm trying to fetch the actual(redirected) url from the one provided by a url shortener.
我正在尝试从网址缩短器提供的网址中获取实际（重定向）网址。
Let's take twitter url shortener for example. I'm able to get the response object also parsed it to get the document.
让我们以 Twitter 网址缩短器为例。我能够得到响应对象也解析它以获取文档。
Response response = Jsoup.connect("http://t.co/i5dE1K4vSs")
.followRedirects(true) //to follow redirects
.execute();
Now, considering a single redirect, where to get the final url from? Any method or strategy to achieve this?
现在，考虑单个重定向，从哪里获取最终 url？任何方法或策略来实现这一目标？
采纳答案by Syam S
The Response object has a url() method which should give you the final url. So you could do like
Response 对象有一个 url() 方法，它应该给你最终的 url。所以你可以这样做
String url = "http://t.co/i5dE1K4vSs";
Response response = Jsoup.connect(url).followRedirects(true).execute();
System.out.println(response.url())
If you want o get the intermediate redirects you should turn follow redirect off and then check for header "location". Eg
如果您想获得中间重定向，您应该关闭跟随重定向，然后检查标题“位置”。例如
String url = "http://t.co/i5dE1K4vSs";
Response response = Jsoup.connect(url).followRedirects(false).execute();
System.out.println(response.header("location"));
If it has multiple redirect you need to recurssively call the urls.
如果它有多个重定向，则需要递归调用 url。
回答by Anton
Code:
代码：
String originalUrl = Jsoup.connect("http://t.co/i5dE1K4vSs")
.followRedirects(true) //to follow redirects
.execute().url().toExternalForm();
System.out.println(originalUrl);
Output:
输出：
http://ibnlive.in.com/news/messi-considered-move-to-arsenal/487799-5-21.html
Explanation:
解释：
As the Connection.Responsehas Connection.Baseas superinterface, you can just use the #url() method of it (and then use the URLobject as you want.
由于Connection.Response具有Connection.Base超级接口，您可以只使用它的 #url() 方法（然后URL根据需要使用该对象。
