如何使用java从URL获取youtube视频ID？ [英] How to get youtube video id from URL with java?

问题描述

我想从youtube的URL获取v = id

I want to get the v=id from youtube's URL with java

示例Youtube网址格式：

http：// www.youtube.com/watch?v=u8nQa1cJyX8&a=GxdCwVVULXctT2lYDEPllDR0LRTutYfW
http://www.youtube.com/watch?v=u8nQa1cJyX8
http：// youtu。 be / 0zM3nApSvMg
http：// www.youtube.com/user/IngridMichaelsonVEVO#p/a/u/1/KdwsulMb8EQ
http： //youtu.be/dQw4w9WgXcQ http://www.youtube.com/embed/dQw4w9WgXcQ
http://www.youtube.com/v/dQw4w9WgXcQ
http://www.youtube.com/e/dQw4w9WgXcQ
http ：//www.youtube.com/watch？v = dQw4w9WgXcQ
http： //www.youtube.com/?v=dQw4w9WgXcQ
http://www.youtube.com/watch?feature=player_embedded&v=dQw4w9WgXcQ
http://www.youtube.com/?feature=player_embedded&v=dQw4w9WgXcQ
http://www.youtube.com/user/IngridMichaelsonVEVO#p/u/11/KdwsulMb8EQ
http://www.youtube-nocookie.com/v/6L3ZvIMwZFM?version=3&hl=en_US&rel=0

http://www.youtube.com/watch?v=u8nQa1cJyX8&a=GxdCwVVULXctT2lYDEPllDR0LRTutYfW http://www.youtube.com/watch?v=u8nQa1cJyX8 http://youtu.be/0zM3nApSvMg http://www.youtube.com/user/IngridMichaelsonVEVO#p/a/u/1/KdwsulMb8EQ http://youtu.be/dQw4w9WgXcQ http://www.youtube.com/embed/dQw4w9WgXcQ http://www.youtube.com/v/dQw4w9WgXcQ http://www.youtube.com/e/dQw4w9WgXcQ http://www.youtube.com/watch?v=dQw4w9WgXcQ http://www.youtube.com/?v=dQw4w9WgXcQ http://www.youtube.com/watch?feature=player_embedded&v=dQw4w9WgXcQ http://www.youtube.com/?feature=player_embedded&v=dQw4w9WgXcQ http://www.youtube.com/user/IngridMichaelsonVEVO#p/u/11/KdwsulMb8EQ http://www.youtube-nocookie.com/v/6L3ZvIMwZFM?version=3&hl=en_US&rel=0

或任何其他youtube格式包含网址中的视频ID

or any other youtube format what contains a video id in the url

我正在尝试： -

  Pattern compiledPattern = Pattern.compile("(?<=v=).*?(?=&|$)",Pattern.CASE_INSENSITIVE);      
        Matcher matcher = compiledPattern.matcher(sourceUrl);
        if(matcher.find()){
            setVideoId(matcher.group());
        }

它不仅适用于一个网址： -

It is not working only for one URL :-

http://youtu.be/6UW3xuJinEg

推荐答案

我为此找到了解决方案..我扩展了该网址..及其工作原理。 。

I found solution for this .. i expand that URL.. and its working ..

public static String expandUrl(String shortenedUrl)  {
        URL url;
        String expandedURL = "";
        try {
            url = new URL(shortenedUrl);
            // open connection
            HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection(Proxy.NO_PROXY); 
            // stop following browser redirect
            httpURLConnection.setInstanceFollowRedirects(false);
            // extract location header containing the actual destination URL
            expandedURL = httpURLConnection.getHeaderField("Location");
            httpURLConnection.disconnect();
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }    
         return expandedURL;
    }

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