/// <summary>
///
/// </summary>
/// <param name="progress"></param>
/// <param name="targetTemplateTypes"></param>
/// <param name="templateStrategies">equivalent strategies for manipulating the blog homepage DOM into an editing template type</param>
/// <returns></returns>
private BlogEditingTemplateFile[] DetectTemplates(IProgressHost progress, BlogEditingTemplateType[] targetTemplateTypes, BlogEditingTemplateStrategy[] templateStrategies)
{
RecentPostRegionLocatorStrategy recentPostLocatorStrategy =
new RecentPostRegionLocatorStrategy(_blogClient, _blogAccount, _credentials, _blogHomepageUrl,
new PageDownloader(RequestPageDownload));
TemporaryPostRegionLocatorStrategy tempPostLocatorStrategy =
new TemporaryPostRegionLocatorStrategy(_blogClient, _blogAccount, _credentials, _blogHomepageUrl,
new PageDownloader(RequestPageDownload), new BlogPostRegionLocatorBooleanCallback(recentPostLocatorStrategy.HasBlogPosts));
//setup the strategies for locating the title/body regions in the blog homepage.
BlogPostRegionLocatorStrategy[] regionLocatorStrategies = new BlogPostRegionLocatorStrategy[]
{
recentPostLocatorStrategy,
tempPostLocatorStrategy
};
// template files to return
BlogEditingTemplateFile[] blogTemplateFiles = null;
// try each strategy as necessary
for (int i = 0; i < regionLocatorStrategies.Length && blogTemplateFiles == null; i++)
{
CheckCancelRequested(progress);
//reset the progress for each iteration
BlogPostRegionLocatorStrategy regionLocatorStrategy = regionLocatorStrategies[i];
try
{
blogTemplateFiles = GetBlogTemplateFiles(progress, regionLocatorStrategy, templateStrategies, targetTemplateTypes, _blogHomepageUrl);
progress.UpdateProgress(100, 100);
//if any exception occurred along the way, clear them since one of the template strategies
//was successful.
_exception = null;
}
catch (OperationCancelledException)
{
// cancel just means our template will be String.Empty
_exception = null;
}
catch (BlogClientOperationCancelledException e)
{
// cancel just means our template will be String.Empty
// (setting this exception here means that at least the user
// will be notified that they won't be able to edit with style)
_exception = e;
}
catch (BlogClientAbortGettingTemplateException e)
{
_exception = e;
//Do not proceed with the other strategies if getting the template was aborted.
break;
}
catch (WebException e)
{
_exception = e;
Trace.WriteLine("Error occurred while downloading weblog style: " + e.ToString());
if (e.Response != null)
{
Trace.WriteLine(String.Format(CultureInfo.InvariantCulture, "Blogpost homepage request failed: {0}", _blogHomepageUrl));
//Debug.WriteLine(HttpRequestHelper.DumpResponse((HttpWebResponse)e.Response));
}
}
catch (Exception e)
{
_exception = e;
Trace.WriteLine("Error occurred while downloading weblog style: " + e.ToString());
}
}
// return the detected templates
return(blogTemplateFiles);
}
/// <summary>
///
/// </summary>
/// <param name="progress"></param>
/// <param name="targetTemplateTypes"></param>
/// <param name="templateStrategies">equivalent strategies for manipulating the blog homepage DOM into an editing template type</param>
/// <returns></returns>
private BlogEditingTemplateFile[] DetectTemplates(IProgressHost progress, BlogEditingTemplateType[] targetTemplateTypes, BlogEditingTemplateStrategy[] templateStrategies)
{
RecentPostRegionLocatorStrategy recentPostLocatorStrategy =
new RecentPostRegionLocatorStrategy(_blogClient, _blogAccount, _credentials, _blogHomepageUrl,
new PageDownloader(RequestPageDownload));
TemporaryPostRegionLocatorStrategy tempPostLocatorStrategy =
new TemporaryPostRegionLocatorStrategy(_blogClient, _blogAccount, _credentials, _blogHomepageUrl,
new PageDownloader(RequestPageDownload), new BlogPostRegionLocatorBooleanCallback(recentPostLocatorStrategy.HasBlogPosts));
//setup the strategies for locating the title/body regions in the blog homepage.
BlogPostRegionLocatorStrategy[] regionLocatorStrategies = new BlogPostRegionLocatorStrategy[]
{
recentPostLocatorStrategy,
tempPostLocatorStrategy
};
// template files to return
BlogEditingTemplateFile[] blogTemplateFiles = null;
// try each strategy as necessary
for (int i = 0; i < regionLocatorStrategies.Length && blogTemplateFiles == null; i++)
{
CheckCancelRequested(progress);
//reset the progress for each iteration
BlogPostRegionLocatorStrategy regionLocatorStrategy = regionLocatorStrategies[i];
try
{
blogTemplateFiles = GetBlogTemplateFiles(progress, regionLocatorStrategy, templateStrategies, targetTemplateTypes);
progress.UpdateProgress(100, 100);
//if any exception occured along the way, clear them since one of the template strategies
//was successful.
_exception = null;
}
catch (OperationCancelledException)
{
// cancel just means our template will be String.Empty
_exception = null;
}
catch (BlogClientOperationCancelledException e)
{
// cancel just means our template will be String.Empty
// (setting this exception here means that at least the user
// will be notified that they won't be able to edit with style)
_exception = e;
}
catch (WebException e)
{
_exception = e;
Trace.WriteLine("Error occurred while downloading weblog style: " + e.ToString());
if (e.Response != null)
{
Trace.WriteLine(String.Format(CultureInfo.InvariantCulture, "Blogpost homepage request failed: {0}", _blogHomepageUrl));
//Debug.WriteLine(HttpRequestHelper.DumpResponse((HttpWebResponse)e.Response));
}
}
catch (Exception e)
{
_exception = e;
Trace.WriteLine("Error occurred while downloading weblog style: " + e.ToString());
}
}
// return the detected tempaltes
return blogTemplateFiles;
}