/// <summary>
/// 抽取网页真实视频流地址
/// </summary>
/// <param name="url">待抽取的网页地址</param>
/// <returns>视频流的地址</returns>
/// <exception cref="SWFExtractorNS.InvalidURLException">非法URL</exception>
/// <exception cref="SWFExtractorNS.DomainNotSupportedException">域不支持</exception>
public static Media Extract(String url)
{
try
{
String domain = "";
string youGetDomain = YouGetCommon.Url_to_key(url);
try
{
domain = HTTPHelper.ParseDomain(url);
}
catch (Exception e)
{
Console.Write(e.Message);
}
Console.WriteLine("-------------------------------------------------------------");
if (domain == null || domain.Equals("") || extractors.ContainsKey(youGetDomain))
{
domain = youGetDomain;
}
if (domain == null)
{
throw new InvalidURLException(url);
}
if (!extractors.ContainsKey(domain))
{
int index = url.LastIndexOf('.');
if (index > 0)
{
String lastComponent = url.ToLower().Substring(index);
if (lastComponent.CompareTo(".mp4") == 0 || lastComponent.CompareTo(".flv") == 0)
{
throw new DomainNotSupportedException(domain);
}
}
HTML5Extractor extractor = new HTML5Extractor();
Media videoURL = extractor.Extract(url);
if (videoURL != null)
{
return(videoURL);
}
throw new DomainNotSupportedException(domain);
}
else
{
Type extractorType = extractors[domain];
IExtractor extractor = Activator.CreateInstance(extractorType) as IExtractor;
return(extractor.Extract(url));
}
}
catch (Exception)
{
return(null);
}
}
public string YoutGetExtract(string url)
{
String domain = YouGetCommon.Url_to_key(url);
if (!youGetType.ContainsKey(domain))
{
throw new DomainNotSupportedException(domain);
}
Type extractorType = youGetType[domain];
IYouGetExtractor extractor = Activator.CreateInstance(extractorType) as IYouGetExtractor;
return(extractor.YoutGetExtract(url));
}