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java获取优酷视频地址示例

已有 574 次阅读  2016-11-28 15:58   标签优酷视频  JAVA培训  public  import  java 

  java获取优酷视频地址示例

  JAVA培训机构介绍,代码如下:

  import java.io.BufferedReader;

  import java.io.InputStreamReader;

  import java.net.URL;

  import java.util.regex.Matcher;

  import java.util.regex.Pattern;

  import net.sf.json.JSONArray;

  import net.sf.json.JSONException;

  import net.sf.json.JSONObject;

  public class VideoTools

  {

  public static void main(String[] args) throws Exception

  {

  VideoTools manager = new VideoTools();

  String jsonUrl = manager.getVideoUrl("http://v.youku.com/v_show/id_XMTgzNDA5OTMy.html");

  System.out.println(jsonUrl.split("#").length);

  }

  public String getVideoUrl(String htmlUrl) throws JSONException{

  //正则表达式解析地址,取id

  Pattern p = Pattern.compile(".*id_(\\w+)\\.html");

  String u = htmlUrl;

  Matcher m = p.matcher(u);

  String id = "";

  if (m.find()) {

  id = m.group(1);

  }

  System.out.println(id);

  //String id="XMTgzNDA5OTMy";

  String s = getContent("http://v.youku.com/player/getPlayList/VideoIDS/"+id);

  JSONObject jsobj = new JSONObject();

  jsobj =jsobj.fromObject(s);

  JSONArray jsonarr = jsobj.getJSONArray("data");

  System.out.println(jsobj);

  JSONObject obj1 = jsonarr.getJSONObject(0);

  String title= obj1.getString("title");

  double seed = obj1.getDouble("seed");

  JSONObject obj2 = obj1.getJSONObject("streamfileids");

  String mp4id = null;

  String flvid = null;

  String format = null;

  try

  {

  mp4id = obj2.getString("mp4");

  format = "mp4";

  } catch (JSONException e)

  {

  System.out.println("没有MP4格式");

  try

  {

  flvid = obj2.getString("flv");

  format = "flv";

  } catch (JSONException e1)

  {

  System.out.println("没有FLV格式");

  return "";

  }

  }

  String realfileid = null;

  if (format.equals("mp4"))

  {

  realfileid = getFileID(mp4id, seed);

  } else

  {

  realfileid = getFileID(flvid, seed);

  }

  String idLeft = realfileid.substring(0, 8);

  String idRight = realfileid.substring(10);

  String sid = genSid();

  JSONObject obj3 = obj1.getJSONObject("segs");

  JSONArray mp4arr = obj3.getJSONArray(format);

  String VideoUrl="";

  for (int i = 0; i lt; mp4arr.size(); i++)

  {

  JSONObject o = mp4arr.getJSONObject(i);

  String k = o.getString("k");

  String url = "http://f.youku.com/player/getFlvPath/sid/" + sid + "_" + String.format("%1$02X", i) + "/st/" + format

  + "/fileid/" + idLeft + String.format("%1$02X", i) + idRight + "?K=" + k;

  System.out.println(url);

  VideoUrl+=url+"#";

  }

  return VideoUrl;

  }

  private static String getFileID(String fileid, double seed)

  {

  String mixed = getFileIDMixString(seed);

  String[] ids = fileid.split("\\*");

  StringBuilder realId = new StringBuilder();

  int idx;

  for (int i = 0; i lt; ids.length; i++)

  {

  idx = Integer.parseInt(ids[i]);

  realId.append(mixed.charAt(idx));

  }

  return realId.toString();

  }

  public static String genSid()

  {

  int i1 = (int) (1000 + Math.floor(Math.random() * 999));

  int i2 = (int) (1000 + Math.floor(Math.random() * 9000));

  return System.currentTimeMillis() + "" + i1 + "" + i2;

  }

  private static String getFileIDMixString(double seed)

  {

  StringBuilder mixed = new StringBuilder();

  StringBuilder source = new StringBuilder("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\\:._-1234567890");

  int index, len = source.length();

  for (int i = 0; i lt; len; ++i)

  {

  seed = (seed * 211 + 30031) % 65536;

  index = (int) Math.floor(seed / 65536 * source.length());

  mixed.append(source.charAt(index));

  source.deleteCharAt(index);

  }

  return mixed.toString();

  }

  public static String getContent(String strUrl) {

  try {

  URL url = new URL(strUrl);

  BufferedReader br = new BufferedReader(new InputStreamReader(

  url.openStream()));

  String s = "";

  StringBuffer sb = new StringBuffer("");

  while ((s = br.readLine()) != null) {

  sb.append(s);

  }

  br.close();

  return sb.toString();

  } catch (Exception e) {

  return "error open url:" + strUrl;

  }

  }

  }

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