private void ExpensiveInitialization()
{
Debug.WriteLine(string.Format("ExpensiveInitialization({0})", _folderPath));
_dom = new HtmlDom();
//the fileLocator we get doesn't know anything about this particular book.
_fileLocator.AddPath(_folderPath);
RequireThat.Directory(_folderPath).Exists();
string pathToExistingHtml;
try
{
pathToExistingHtml = PathToExistingHtml;
}
catch (UnauthorizedAccessException error)
{
ProcessAccessDeniedError(error);
return;
}
if (!RobustFile.Exists(pathToExistingHtml))
{
var files = new List<string>(Directory.GetFiles(_folderPath));
var b = new StringBuilder();
b.AppendLine("Could not determine which html file in the folder to use.");
if (files.Count == 0)
b.AppendLine("***There are no files.");
else
{
b.AppendLine("Files in this book are:");
foreach (var f in files)
{
b.AppendLine(" " + f);
}
}
throw new ApplicationException(b.ToString());
}
else
{
XmlDocument xmlDomFromHtmlFile;
try
{
xmlDomFromHtmlFile = XmlHtmlConverter.GetXmlDomFromHtmlFile(PathToExistingHtml, false);
}
catch (UnauthorizedAccessException error)
{
ProcessAccessDeniedError(error);
return;
}
catch (Exception error)
{
ErrorMessagesHtml = WebUtility.HtmlEncode(error.Message);
Logger.WriteEvent("*** ERROR in " + PathToExistingHtml);
Logger.WriteEvent("*** ERROR: " + error.Message.Replace("{", "{{").Replace("}", "}}"));
return;
}
_dom = new HtmlDom(xmlDomFromHtmlFile); //with throw if there are errors
// Don't let spaces between <strong>, <em>, or <u> elements be removed. (BL-2484)
_dom.RawDom.PreserveWhitespace = true;
//Validating here was taking a 1/3 of the startup time
// eventually, we need to restructure so that this whole Storage isn't created until actually needed, then maybe this can come back
//ErrorMessages = ValidateBook(PathToExistingHtml);
// REVIEW: we did in fact change things so that storage isn't used until we've shown all the thumbnails we can (then we go back and update in background)...
// so maybe it would be ok to reinstate the above?
//For now, we really need to do this check, at least. This will get picked up by the Book later (feeling kludgy!)
//I assume the following will never trigger (I also note that the dom isn't even loaded):
if (!string.IsNullOrEmpty(ErrorMessagesHtml))
{
_dom.RawDom.LoadXml(
"<html><body>There is a problem with the html structure of this book which will require expert help.</body></html>");
Logger.WriteEvent(
"{0}: There is a problem with the html structure of this book which will require expert help: {1}",
PathToExistingHtml, ErrorMessagesHtml);
}
//The following is a patch pushed out on the 25th build after 1.0 was released in order to give us a bit of backwards version protection (I should have done this originally and in a less kludgy fashion than I'm forced to do now)
else
{
var incompatibleVersionMessage = GetHtmlMessageIfVersionIsIncompatibleWithThisBloom(Dom,this.PathToExistingHtml);
if (!string.IsNullOrWhiteSpace(incompatibleVersionMessage))
{
ErrorMessagesHtml = incompatibleVersionMessage;
Logger.WriteEvent("*** ERROR: " + incompatibleVersionMessage);
_errorAlreadyContainsInstructions = true;
return;
}
else
{
Logger.WriteEvent("BookStorage Loading Dom from {0}", PathToExistingHtml);
}
}
Dom.UpdatePageDivs();
UpdateSupportFiles();
CleanupUnusedImageFiles();
}
}
