// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
using System.IdentityModel.Tokens;
using System.ServiceModel;
using System.Threading;
using System.Threading.Tasks;
 
namespace System.IdentityModel.Selectors
{
    public class UserNameSecurityTokenProvider : SecurityTokenProvider
    {
        private readonly UserNameSecurityToken _userNameToken;
 
        public UserNameSecurityTokenProvider(string userName, string password)
        {
            if (userName == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("userName");
            }
 
            _userNameToken = new UserNameSecurityToken(userName, password);
        }
 
        protected override Task<SecurityToken> GetTokenCoreAsync(CancellationToken cancellationToken)
        {
            return Task.FromResult((SecurityToken)_userNameToken);
        }
    }
}