private object ParseParameter(TaskParameters taskParameters, ITaskParameter p)
{
try {
return(taskParameters.Parameter(p));
} catch (RequiredParameterNotGivenException e) {
throw new TaskRequiredParameterException(p, this);
} catch (TypeParserNotFoundException e) {
throw new TaskParameterException(p, this);
}
}
public void Invoke(TaskParameters taskParameters)
{
try {
var taskObject = Resolver.Resolve(Method.DeclaringType);
var methodArguments = MethodArgumentsFromCommandLineParameters(taskParameters);
Method.Invoke(taskObject, methodArguments);
} catch (TargetInvocationException e) {
throw new TaskException(this, e.InnerException);
}
}
public void RunTask(string taskName, TaskParameters taskParameters, IEnumerable <ITask> tasks)
{
var matchingTasks = tasks.Where(t => AllTaskNames(t).Contains(taskName.ToLower())).ToArray();
if (matchingTasks.Count() > 1)
{
throw new AmbiguousTaskNameException(taskName, matchingTasks);
}
else if (!matchingTasks.Any())
{
throw new NoMatchingTaskException(taskName, tasks);
}
else
{
matchingTasks.Single().Invoke(taskParameters);
}
}
private object[] MethodArgumentsFromCommandLineParameters(TaskParameters taskParameters)
{
return(Parameters.Select(p => (object)ParseParameter(taskParameters, p)).ToArray());
}
