protected override object OnExecute(CommandContext context)
{
if (_serviceFactory == null)
{
throw new CommandException(ResourceUtility.GetString("Text.CannotObtainCommandTarget", "ServiceProviderFactory"));
}
string providerName;
if (context.Expression.Options.TryGetValue("provider", out providerName))
{
if (string.IsNullOrWhiteSpace(providerName) || providerName == "~" || providerName == ".")
{
_serviceProvider = _serviceFactory.Default;
}
else
{
var provider = _serviceFactory.GetProvider(providerName);
if (provider == null)
{
throw new CommandException(ResourceUtility.GetString("Text.ServicesCommand.NotFoundProvider", providerName));
}
_serviceProvider = provider;
}
//显示执行成功的信息
context.Output.WriteLine(ResourceUtility.GetString("Text.CommandExecuteSucceed"));
}
var items = _serviceFactory as IEnumerable <KeyValuePair <string, Zongsoft.Services.IServiceProvider> >;
if (items != null)
{
int index = 1;
foreach (var item in items)
{
context.Output.Write(CommandOutletColor.DarkMagenta, "[{0}] ", index++);
if (string.IsNullOrWhiteSpace(item.Key))
{
context.Output.Write("<Default>");
}
else
{
context.Output.Write(item.Key);
}
if (object.ReferenceEquals(item.Value, this.ServiceProvider))
{
context.Output.WriteLine(CommandOutletColor.Green, " (Actived)");
}
else
{
context.Output.WriteLine();
}
}
}
return(_serviceProvider);
}
