通过JAVA获取优酷、土豆、酷6、6间房等视频

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

/**
* 视频工具类
* @author  sunlightcs
* 2011-4-6
* http://hi.juziku.com/sunlightcs/
*/
public class VideoUtil {
	
	/**
	 * 获取视频信息
	 * @param url
	 * @return
	 */
	public static Video getVideoInfo(String url){
		Video video = new Video();
		
		if(url.indexOf("v.youku.com")!=-1){
			try {
				video = getYouKuVideo(url);
			} catch (Exception e) {
				video = null;
			}
		}else if(url.indexOf("tudou.com")!=-1){
			try {
				video = getTudouVideo(url);
			} catch (Exception e) {
				video = null;
			}
		}else if(url.indexOf("v.ku6.com")!=-1){
			try {
				video = getKu6Video(url);
			} catch (Exception e) {
				video = null;
			}
		}else if(url.indexOf("6.cn")!=-1){
			try {
				video = get6Video(url);
			} catch (Exception e) {
				video = null;
			}
		}else if(url.indexOf("56.com")!=-1){
			try {
				video = get56Video(url);
			} catch (Exception e) {
				video = null;
			}
		}
		
		return video;
	}
	
	
	/**
	 * 获取优酷视频
	 * @param url  视频URL
	 */
	public static Video getYouKuVideo(String url) throws Exception{
		Document doc = getURLContent(url);
		
		/**
		 *获取视频缩略图 
		 */
		String pic = getElementAttrById(doc, "s_sina", "href");
		int local = pic.indexOf("pic=");
		pic = pic.substring(local+4);
		
		/**
		 * 获取视频地址
		 */		
		String flash = getElementAttrById(doc, "link2", "value");
		
		/**
		 * 获取视频时间
		 */	
		String time = getElementAttrById(doc, "download", "href");
		String []arrays = time.split("\\|");
		time = arrays[4];
		
		Video video = new Video();
		video.setPic(pic);
		video.setFlash(flash);
		video.setTime(time);
		
		return video;
	}
	
	
	/**
	 * 获取土豆视频
	 * @param url  视频URL
	 */
	public static Video getTudouVideo(String url) throws Exception{
		Document doc = getURLContent(url);
		String content = doc.html();
		int beginLocal = content.indexOf("<script>document.domain");
		int endLocal = content.indexOf("</script>");
		content = content.substring(beginLocal, endLocal);
		
		/**
		 * 获取视频地址
		 */	
		String flash = getScriptVarByName("iid_code", content);
		flash = "http://www.tudou.com/v/" + flash + "/v.swf";
		
		/**
		 *获取视频缩略图 
		 */
		String pic = getScriptVarByName("thumbnail", content);
		
		/**
		 * 获取视频时间
		 */	
		String time = getScriptVarByName("time", content);

		Video video = new Video();
		video.setPic(pic);
		video.setFlash(flash);
		video.setTime(time);
		
		return video;
	}
	
	
	/**
	 * 获取酷6视频
	 * @param url  视频URL
	 */
	public static Video getKu6Video(String url) throws Exception{
		Document doc = getURLContent(url);
		
		/**
		 * 获取视频地址
		 */
		Element flashEt = doc.getElementById("outSideSwfCode");
		String flash = flashEt.attr("value");
		
		/**
		 * 获取视频缩略图
		 */
		Element picEt = doc.getElementById("plVideosList");
		String time = null;
		String pic = null;
		if(picEt!=null){
			Elements pics = picEt.getElementsByTag("img");
			pic = pics.get(0).attr("src");
			
			/**
			 * 获取视频时长
			 */
			Element timeEt = picEt.select("span.review>cite").first(); 
			time = timeEt.text();
		}else{
			pic = doc.getElementsByClass("s_pic").first().text();
		}
		
		Video video = new Video();
		video.setPic(pic);
		video.setFlash(flash);
		video.setTime(time);
		
		return video;
		
	}
	
	
	/**
	 * 获取6间房视频
	 * @param url  视频URL
	 */
	public static Video get6Video(String url) throws Exception{
		Document doc = getURLContent(url);
		
		/**
		 * 获取视频缩略图
		 */
		Element picEt = doc.getElementsByClass("summary").first();
		String pic = picEt.getElementsByTag("img").first().attr("src");
		
		/**
		 * 获取视频时长
		 */
		String time = getVideoTime(doc, url, "watchUserVideo");
		if(time==null){
			time = getVideoTime(doc, url, "watchRelVideo");
		}
		
		/**
		 * 获取视频地址
		 */
		Element flashEt = doc.getElementById("video-share-code");
		doc = Jsoup.parse(flashEt.attr("value"));  
		String flash = doc.select("embed").attr("src");
		
		Video video = new Video();
		video.setPic(pic);
		video.setFlash(flash);
		video.setTime(time);
		
		return video;
	}
	
	
	/**
	 * 获取56视频
	 * @param url  视频URL
	 */
	public static Video get56Video(String url) throws Exception{
		Document doc = getURLContent(url);
		String content = doc.html();
		
		/**
		 * 获取视频缩略图
		 */
		int begin = content.indexOf("\"img\":\"");
		content = content.substring(begin+7, begin+200);
		int end = content.indexOf("\"};");
		String pic = content.substring(0, end).trim();
		pic = pic.replaceAll("\\\\", "");		
		
		/**
		 * 获取视频地址
		 */
		String flash = "http://player.56.com" + url.substring(url.lastIndexOf("/"), url.lastIndexOf(".html")) + ".swf";
		
		Video video = new Video();
		video.setPic(pic);
		video.setFlash(flash);
		
		return video;
	}

	/**
	 * 获取6间房视频时长    
	 */
	private static String getVideoTime(Document doc, String url, String id) {
		String time = null;
		
		Element timeEt = doc.getElementById(id); 
		Elements links = timeEt.select("dt > a");
		
		
		for (Element link : links) {
		  String linkHref = link.attr("href");
		  if(linkHref.equalsIgnoreCase(url)){
			  time = link.parent().getElementsByTag("em").first().text();
			  break;
		  }
		}
		return time;
	}
	
			
	/**
	 * 获取script某个变量的值
	 * @param name  变量名称
	 * @return   返回获取的值 
	 */
	private static String getScriptVarByName(String name, String content){
		String script = content;
		
		int begin = script.indexOf(name);
		
		script = script.substring(begin+name.length()+2);
		
		int end = script.indexOf(",");
		
		script = script.substring(0,end);
		
		String result=script.replaceAll("'", "");
		result = result.trim();
		
		return result;
	}
	
	
	/**
	 * 根据HTML的ID键及属于名，获取属于值
	 * @param id  HTML的ID键
	 * @param attrName  属于名
	 * @return  返回属性值
	 */
	private static String getElementAttrById(Document doc, String id, String attrName)throws Exception{
		Element et = doc.getElementById(id);
		String attrValue = et.attr(attrName);
		
		return attrValue;
	}
	
	
	
	/**
	 * 获取网页的内容
	 */
	private static Document getURLContent(String url) throws Exception{
		Document doc = Jsoup.connect(url)
		  .data("query", "Java")
		  .userAgent("Mozilla")
		  .cookie("auth", "token")
		  .timeout(6000)
		  .post();
		return doc;
	}
	
	
	public static void main(String[] args) {
		//String url = "http://v.youku.com/v_show/id_XMjU0MjI2NzY0.html";
		//String url = "http://www.tudou.com/programs/view/pVploWOtCQM/";
		//String url = "http://v.ku6.com/special/show_4024167/9t7p64bisV2A31Hz.html";
		//String url = "http://v.ku6.com/show/BpP5LeyVwvikbT1F.html";
		//String url = "http://6.cn/watch/14757577.html";
		String url = "http://www.56.com/u64/v_NTkzMDEzMTc.html";
		Video video = getVideoInfo(url);
		System.out.println("视频缩略图："+video.getPic());
		System.out.println("视频地址："+video.getFlash());
		System.out.println("视频时长："+video.getTime());
	}
}