/// <summary>
/// Installs the exception handler.
/// </summary>
/// <param name="node">The node.</param>
/// <param name="typeName">Name of the type.</param>
private void InstallExceptionHandler(IConfiguration node, String typeName)
{
IExceptionHandler handler;
var handlerType = TypeLoadUtil.GetType(typeName);
if (handlerType == null)
{
var message = "The Type for the custom session could not be loaded. " +
typeName;
throw new ConfigurationErrorsException(message);
}
try
{
handler = (IExceptionHandler)Activator.CreateInstance(handlerType);
}
catch (InvalidCastException)
{
var message = "The Type for the custom session must " +
"implement ICustomSessionFactory. " + typeName;
throw new ConfigurationErrorsException(message);
}
var configurableHandler = handler as IConfigurableHandler;
if (configurableHandler != null)
{
configurableHandler.Configure(node);
}
handler.Initialize();
if (firstHandler == null)
{
firstHandler = handler;
}
else
{
var navHandler = firstHandler;
while (navHandler != null)
{
if (navHandler.Next == null)
{
navHandler.Next = handler;
break;
}
navHandler = navHandler.Next;
}
}
}
/// <summary>
/// Reads the attribute <c>customSession</c>
/// from <see cref="MonoRailConfiguration"/> and
/// instantiate it based on the type name provided.
/// </summary>
/// <exception cref="ConfigurationException">
/// If the typename was not provided or the type
/// could not be instantiated/found
/// </exception>
/// <param name="manager">The Extension Manager</param>
/// <param name="configuration">The configuration</param>
private void Init(ExtensionManager manager, IMonoRailConfiguration configuration)
{
manager.AcquireSessionState += OnAdquireSessionState;
manager.ReleaseSessionState += OnReleaseSessionState;
var customSessionAtt =
configuration.ConfigurationSection.Attributes["customSession"];
if (customSessionAtt == null)
{
var message = "The CustomSessionExtension requires that " +
"the type that implements ICustomSessionFactory be specified through the " +
"'customSession' attribute on 'monorail' configuration node";
throw new ConfigurationErrorsException(message);
}
var customSessType = TypeLoadUtil.GetType(customSessionAtt);
if (customSessType == null)
{
var message = "The Type for the custom session could not be loaded. " +
customSessionAtt;
throw new ConfigurationErrorsException(message);
}
try
{
customSession = (ICustomSessionFactory)Activator.CreateInstance(customSessType);
}
catch (InvalidCastException)
{
var message = "The Type for the custom session must " +
"implement ICustomSessionFactory. " + customSessionAtt;
throw new ConfigurationErrorsException(message);
}
}