private void ExecuteCommandHandler(string commandName, Action <object> commandHandler)
{
var systemCommandType = string.IsNullOrWhiteSpace(commandName)
? typeof(HelpCommand)
: _systemRegistry.Find(commandName);
var systemCommandInstance = _systemCommandFactory.Resolve(systemCommandType);
if (systemCommandInstance != null)
{
try
{
commandHandler(systemCommandInstance);
}
finally
{
_systemCommandFactory.Release(systemCommandInstance);
}
return;
}
var commandType = _registry.Find(commandName);
if (commandType == null)
{
throw new NotSupportedException(string.Format("The command \"{0}\" is not currently supported.", commandName));
}
var commandInstance = _commandFactory.Resolve(commandType);
if (commandInstance == null)
{
throw new Exception(string.Format("Command factory \"{1}\" was unable to resolve an instance for command type \"{0}\", it returned null instead.", commandType, _commandFactory.GetType().FullName));
}
try
{
commandHandler(commandInstance);
}
finally
{
_commandFactory.Release(commandInstance);
}
}
