How do I decode URL in Android Application? [duplicate]

Question

I am trying to write an Android app, and it's supposed to retrieve the content of a CDN URL, which are always URLEncoded. For the sake of example, I am using a youtube URL, because they are formatted the same way.

    public static String getText(String url) throws Exception {     URL website = new URL(url);     URLConnection connection = website.openConnection();     BufferedReader in = new BufferedReader(                             new InputStreamReader(                                 connection.getInputStream()));      StringBuilder response = new StringBuilder();     String inputLine;      while ((inputLine = in.readLine()) != null)          response.append(inputLine);      in.close();      return response.toString(); }  /**  * @param args the command line arguments  */ public static void main(String[] args) {     try {     String page = getText("http://www.youtube.com/watch?v=QH2-TGUlwu4");     String[] temper = page.split("flashvars=\"");     page = temper[1];     temper = page.split("\"     allowscriptaccess=\"always\"");     page = temper[0];     temper = page.split("url_encoded_fmt_stream_map=");     page = temper[1];     temper = page.split("fallback_host");     page = temper[0];     page = page.replaceAll("url%3D", ""); **     page = URLDecoder.decode(page, "UTF-8"); **     page = page.replaceAll("hd720&", "hd720"); **     System.out.println(page);              // TODO code application logic here     } catch (Exception ex) {         Logger.getLogger(app.class.getName()).log(Level.SEVERE, null, ex);     } } 

The code that is starred is (probably) where it is giving me trouble. The system.out.println outputs

http%3A%2F%2Fo-o.preferred.ord08s01.v3.lscache1.c.youtube.com%2Fvideoplayback%3Fsparams%3Did%252Cexpire%252Cip%252Cipbits%252Citag%252Csource%252Cratebypass%252Ccp%26fexp%3D909708%252C907322%252C908613%26itag%3D44%26ip%3D99.0.0.0%26signature%3D2889261E861AF0E724519652960C1BF31DA5BABD.A621580215B6416151470893E2D07BDE7AFF081E%26sver%3D3%26ratebypass%3Dyes%26source%3Dyoutube%26expire%3D1327316557%26key%3Dyt1%26ipbits%3D8%26cp%3DU0hRTFNMVF9KUUNOMV9LRlhGOlNaUzBvTG1tdEp2%26id%3D407dbe4c6525c2ee&quality=large& 

I want that URL decoded in a way that I can wrap it in a method to download it.

I have already tried the string.replaceAll() method. In short, It doesn't work

Please help me regarding this.

Answer 1

The string you have there is URL encoded.

String afterDecode = URLDecoder.decode(stingvalue, "UTF-8");