// 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.IO;
using System.ServiceModel.Security;
 
namespace System.ServiceModel.Channels
{
    public abstract class StreamSecurityUpgradeInitiator : StreamUpgradeInitiator
    {
        protected StreamSecurityUpgradeInitiator()
        {
        }
 
        public abstract SecurityMessageProperty GetRemoteSecurity(); // works after call to AcceptUpgrade
 
        internal static SecurityMessageProperty GetRemoteSecurity(StreamUpgradeInitiator upgradeInitiator)
        {
            StreamSecurityUpgradeInitiator securityInitiator = upgradeInitiator as StreamSecurityUpgradeInitiator;
            if (securityInitiator != null)
            {
                return securityInitiator.GetRemoteSecurity();
            }
            else
            {
                return null;
            }
        }
    }
}