public async Task <CommandReturnCodes> RunCommandAsync(TextReader input, TextWriter output, string tenant, string[] args, IDictionary <string, string> switches)
{
try
{
tenant = tenant ?? ShellHelper.DefaultShellName;
using (var env = await CreateStandaloneEnvironmentAsync(tenant))
{
var commandManager = env.ServiceProvider.GetService <ICommandManager>();
var parameters = new CommandParameters
{
Arguments = args,
Switches = switches,
Input = input,
Output = output
};
await commandManager.ExecuteAsync(parameters);
}
return(CommandReturnCodes.Ok);
}
catch (Exception ex)
{
if (ex.IsFatal())
{
throw;
}
if (ex is TargetInvocationException &&
ex.InnerException != null)
{
// If this is an exception coming from reflection and there is an innerexception which is the actual one, redirect
ex = ex.InnerException;
}
await OutputExceptionAsync(output, T["Error executing command \"{0}\"", string.Join(" ", args)], ex);
return(CommandReturnCodes.Fail);
}
}
public async Task ExecuteAsync(CommandParameters parameters)
{
var matches = MatchCommands(parameters) ?? Enumerable.Empty <Match>();
if (matches.Count() == 1)
{
var match = matches.Single();
await match.CommandHandler.ExecuteAsync(match.Context);
}
else
{
var commandMatch = string.Join(" ", parameters.Arguments.ToArray());
var commandList = string.Join(",", GetCommandDescriptors().SelectMany(d => d.Names).ToArray());
if (matches.Any())
{
throw new Exception(T["Multiple commands found matching arguments \"{0}\". Commands available: {1}.",
commandMatch, commandList]);
}
throw new Exception(T["No command found matching arguments \"{0}\". Commands available: {1}.",
commandMatch, commandList]);
}
}