public void DownloadChapter(object s)
{
var cha = (BookIndexViewModel.DownloadTask) s;
var downloader = new HttpContentDownloader();
downloader.Download(cha.TaskChapter.ChapterUri, ar =>
{
//At this step, we can get the index page in the search engine
var state = (RequestState) ar.AsyncState;
var response =
(HttpWebResponse)
state.Request.EndGetResponse(ar);
response.GetResponseStream();
var parser = new WebSiteBookContentPageParser();
parser.Parse(response.GetResponseStream(),
cha.TaskChapter);
CommonModels.TestChapter = chapter;
});
}
/// <summary>
/// Download single chapter, should be active from the ChapterView Page
/// </summary>
/// <param name="chapter"></param>
/// <param name="callback"></param>
public void DownloadSingleChapter(Chapter chapter, Action callback)
{
var downloader = new HttpContentDownloader();
downloader.Download(chapter.ChapterUri, ar =>
{
try
{
//At this step, we can get the index page in the search engine
var state = (RequestState)ar.AsyncState;
state.stopTimer = true;
var response = (HttpWebResponse)state.Request.EndGetResponse(ar);
response.GetResponseStream();
var parser = new WebSiteBookContentPageParser();
parser.ParsingCompleted += ChapterContentParsingCompleted;
chapter.Downloaded = true;
parser.Parse(response.GetResponseStream(), chapter);
if (callback != null)
{
callback();
}
}
catch (WebException e)
{
//TODO need to recover from exception
ExceptionHandler.HandleException(e);
}
});
}
public void GetBookSiteBookIndexPageLink(Book book)
{
var downloader = new HttpContentDownloader();
try
{
downloader.Download(book.IndexPage,
ar =>
{
try
{
//At this step, we can get the index page in the search engine
var state = (RequestState)ar.AsyncState;
var response = (HttpWebResponse)state.Request.EndGetResponse(ar);
response.GetResponseStream();
book.RootUrl = UrlHelper.GetRootUrlString(response.ResponseUri);
var parser = new WebSiteBookContentPageParser();
parser.Parse(response.GetResponseStream(), book);
DownloadAndParseWebSiteBookIndexPage(book);
}
catch (WebException e)
{
if (e.Status == WebExceptionStatus.RequestCanceled)
{
throw new TimeoutException(String.Format("连接{0}超时", book.WebSite.WebSiteName));
}
}
});
}
catch (WebException we)
{
ExceptionHandler.HandleException(we);
}
}
public void DownloadChapter(object s)
{
var cha = (DownloadTask)s;
var downloader = new HttpContentDownloader();
DownloaderList.Add(downloader);
downloader.Download(cha.TaskChapter.ChapterUri, ar =>
{
try
{
//At this step, we can get the index page in the search engine
var state = (RequestState)ar.AsyncState;
state.stopTimer = true;
var response = (HttpWebResponse)state.Request.EndGetResponse(ar);
response.GetResponseStream();
var parser = new WebSiteBookContentPageParser();
parser.Parse(response.GetResponseStream(), cha.TaskChapter);
lock (_thisLock)
{
_batchCompleteCount++;
}
if (_batchCompleteCount == cha.BatchCount)
{
_batchCompleteCount = 0;
((ManualResetEvent) cha.ResetEvent).Set();
}
}catch (WebException e)
{
ProgressIndicatorHelper.StopProgressIndicator();
if (e.Status == WebExceptionStatus.RequestCanceled)
{
throw new TimeoutException(String.Format("连接{0}超时", cha.TaskChapter.Book.WebSite.WebSiteName));
}
//TODO need to recover from exception
ExceptionHandler.HandleException(e);
}
});
}
