private static PageTemplateConfiguration LoadPageTemplateConfiguration(string configurationPath)
{
PageTemplateConfiguration rtnConfig = null;
XmlSerializer serializer = new XmlSerializer(typeof(PageTemplateConfiguration));
bool pageAssemblyInstructionXmlValid = true;
pageAssemblyInstructionXmlValid = PageAssemblyInstructionFactory.ValidateXml(PageTemplateConfigurationPath,
HttpContext.Current.Server.MapPath(ContentDeliveryEngineConfig.PageAssembly.PageAssemblyInfoTypes.XsdPath));
try
{
using (FileStream xmlFile = File.Open(configurationPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete))
{
rtnConfig = (PageTemplateConfiguration)serializer.Deserialize(XmlReader.Create(xmlFile));
}
}
catch (Exception ex)
{
//TODO: Do something here
}
return(rtnConfig);
}
/// <summary>
/// Creates an IPageAssemblyInstruction derived instance from the XML at the specified path. ///
///
/// </summary>
public static IPageAssemblyInstruction GetPageAssemblyInfo(string requestedPath)
{
bool pageAssemblyInstructionXmlValid = true;
string xmlFilePath = HttpContext.Current.Server.MapPath(String.Format(ContentDeliveryEngineConfig.PathInformation.PagePathFormat.Path, requestedPath));
// Input validation.
if (xmlFilePath == null)
{
throw new ArgumentNullException("pathToXml", "The pathToXml parameter cannot be null.");
}
if (!File.Exists(xmlFilePath))
{
return(null);
}
if (ContentDeliveryEngineConfig.PageAssembly.PageAssemblyInfoTypes.EnableValidation == true)
{
pageAssemblyInstructionXmlValid = PageAssemblyInstructionFactory.ValidateXml(xmlFilePath,
HttpContext.Current.Server.MapPath(ContentDeliveryEngineConfig.PageAssembly.PageAssemblyInfoTypes.XsdPath));
}
if (pageAssemblyInstructionXmlValid == false)
{
return(null);
}
// Load the XML file into an XmlReader and create a IPageAssemblyInstruction derived instance from the XML.
IPageAssemblyInstruction pageAssemblyInfo = null;
try
{
using (FileStream xmlFile = File.Open(xmlFilePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete))
{
using (XmlReader xmlReader = XmlReader.Create(xmlFile))
{
// Read just enough to get the page type of assembly info object we want to create
// e.g. a SinglePageAssemblyInfo, BookletAssemblyInfo, etc.
xmlReader.MoveToContent();
// Get the name of hte serializer type we need (the document element name is the
// name of the type).
string pageAssemblyInfoTypeName = xmlReader.LocalName;
// Make sure the serializer we need is in the cache (if it isn't, we've got invalid XML).
if (Instance._serializers.ContainsKey(pageAssemblyInfoTypeName) == false)
{
string message = String.Format("Unable to find XmlSerializer for type \"{0}.\" Either \"{0}\" is an unsupported type and the XML file at \"{1}\" is invalid or the page assembly configuration needs a new entry to support \"{0}\"", pageAssemblyInfoTypeName, xmlFilePath);
throw new PageAssemblyException(message);
}
// Get the serializer from the cache.
XmlSerializer serializer = Instance._serializers[pageAssemblyInfoTypeName];
// Deserialize the XML into an object.
pageAssemblyInfo = (IPageAssemblyInstruction)serializer.Deserialize(xmlReader);
}
}
}
catch (Exception ex)
{
throw new PageAssemblyException(String.Format("Unable to create IPageAssemblyInfo for file \"{0}.\"", xmlFilePath), ex);
}
return(pageAssemblyInfo);
}
