private static QueueBinding BuildBinding(string bindingName, DeclareQueueBindingAttribute b, IConfiguration config, string routingKey = null)
{
var binding = new QueueBinding(bindingName);
if (!string.IsNullOrEmpty(b.QueueName))
{
var reference = PropertyPlaceholderHelper.ResolvePlaceholders(b.QueueName, config);
if (ConfigUtils.IsExpression(reference))
{
reference = ConfigUtils.ExtractExpressionString(reference);
if (ConfigUtils.IsServiceReference(reference))
{
reference = ConfigUtils.ExtractServiceName(reference);
}
}
if (_queueDeclss.TryGetValue(reference, out var queueRef))
{
reference = queueRef.QueueName;
}
binding.Destination = reference;
}
if (!string.IsNullOrEmpty(b.ExchangeName))
{
binding.Exchange = PropertyPlaceholderHelper.ResolvePlaceholders(b.ExchangeName, config);
}
else
{
binding.Exchange = string.Empty;
}
if (!string.IsNullOrEmpty(b.IgnoreDeclarationExceptions))
{
binding.IgnoreDeclarationExceptions = GetBoolean(b.IgnoreDeclarationExceptions, config, nameof(b.IgnoreDeclarationExceptions));
}
if (!string.IsNullOrEmpty(b.Declare))
{
binding.ShouldDeclare = GetBoolean(b.Declare, config, nameof(b.Declare));
}
if (!string.IsNullOrEmpty(routingKey))
{
binding.RoutingKey = PropertyPlaceholderHelper.ResolvePlaceholders(routingKey, config);
}
else
{
binding.RoutingKey = string.Empty;
}
if (b.Admins.Length > 0)
{
foreach (var a in b.Admins)
{
binding.DeclaringAdmins.Add(a);
}
}
return(binding);
}