private static ServerConfiguration ReadConfiguration(string fileName)
{
if (!File.Exists(fileName))
{
throw new Exception("No file found of name " + fileName);
}
var sconfig = new ServerConfiguration();
XDocument config = null;
try
{
using (var fs = new FileStream(fileName, FileMode.Open))
{
config = XDocument.Load(fs);
}
}
catch (Exception ex)
{
throw new Exception("Unable to read configuration file " + ex.Message + " " + ex.StackTrace);
}
// get logging location
sconfig.LoggingLocation = GetElementValue(config.Root, "LoggingLocation");
var dirInfo = new DirectoryInfo(sconfig.LoggingLocation);
if (!dirInfo.Exists)
{
dirInfo.Create();
}
// get hashvaluelocation
sconfig.HashValueStorageLocation = GetElementValue(config.Root, "HashValueStorageLocation");
dirInfo = new DirectoryInfo(sconfig.HashValueStorageLocation);
if (!dirInfo.Exists)
{
dirInfo.Create();
}
// location for client updating
sconfig.LastUpdatedStorageLocation = GetElementValue(config.Root, "LastUpdatedStorageLocation");
dirInfo = new DirectoryInfo(sconfig.LastUpdatedStorageLocation);
if (!dirInfo.Exists)
{
dirInfo.Create();
}
// get all the providers, create an instance and pass through the element to it to process.
foreach (var element in config.Descendants("CollectionProvider"))
{
try
{
var typeNameAttribute = element.Attribute("Type");
var assemblyNameAttribute = element.Attribute("Assembly");
if (typeNameAttribute != null && assemblyNameAttribute != null)
{
var typeName = typeNameAttribute.Value;
var assemblyName = assemblyNameAttribute.Value;
var type = Type.GetType(typeName + ", " + assemblyName);
var collectionProvider = Activator.CreateInstance(type) as ICollectionProvider;
if (collectionProvider == null)
{
throw new Exception("Unable to instantaite " + assemblyName + " : " + typeName);
}
collectionProvider.Initialize(element);
sconfig.AddCollectionProvider(collectionProvider);
}
} catch (Exception ex)
{
// log error initialising collection provider
Logging.LogError(1, "Unable to initialise collection provider {0} {1}", ex.Message, ex.StackTrace);
throw;
}
}
// get all feed sources
foreach (var element in config.Descendants("FeedSource"))
{
try
{
var fs = new FeedSource();
fs.Initialize(element);
sconfig.AddFeedSource(fs);
}
catch (Exception ex)
{
// log error initialising collection provider
Logging.LogError(1, "Unable to initialise feed source {0} {1}", ex.Message, ex.StackTrace);
throw;
}
}
// client adaptors
foreach (var element in config.Descendants("ClientAdaptor"))
{
try
{
var typeNameAttribute = element.Attribute("Type");
var assemblyNameAttribute = element.Attribute("Assembly");
if (typeNameAttribute != null && assemblyNameAttribute != null)
{
var typeName = typeNameAttribute.Value;
var assemblyName = assemblyNameAttribute.Value;
var type = Type.GetType(typeName);
var clientAdaptor = Activator.CreateInstance(type) as ISdShareClientAdaptor;
if (clientAdaptor == null)
{
throw new Exception("Unable to instantaite " + assemblyName + " : " + typeName);
}
clientAdaptor.Initialize(element);
sconfig.AddClientAdaptor(clientAdaptor);
}
}
catch (Exception ex)
{
// log error initialising collection provider
Logging.LogError(1, "Unable to initialise client adaptor {0} {1}", ex.Message, ex.StackTrace);
throw;
}
}
return(sconfig);
}