ConstructionCall.cs

using System.Collections;
using System.Runtime.InteropServices;
using System.Runtime.Remoting.Activation;
using System.Runtime.Serialization;
using System.Security;

namespace System.Runtime.Remoting.Messaging
{
    [Serializable]
    [SecurityCritical]
    [CLSCompliant(false)]
    [ComVisible(true)]
    public class ConstructionCall : MethodCall, IConstructionCallMessage, IMethodCallMessage, IMethodMessage, IMessage
    {
        internal Type _activationType;

        internal string _activationTypeName;

        internal IList _contextProperties;

        internal object[] _callSiteActivationAttributes;

        internal IActivator _activator;

        public object[] CallSiteActivationAttributes
        {
            [SecurityCritical]
            get
            {
                return _callSiteActivationAttributes;
            }
        }

        public Type ActivationType
        {
            [SecurityCritical]
            get
            {
                if (_activationType == null && _activationTypeName != null)
                {
                    _activationType = RemotingServices.InternalGetTypeFromQualifiedTypeName(_activationTypeName, partialFallback: false);
                }
                return _activationType;
            }
        }

        public string ActivationTypeName
        {
            [SecurityCritical]
            get
            {
                return _activationTypeName;
            }
        }

        public IList ContextProperties
        {
            [SecurityCritical]
            get
            {
                if (_contextProperties == null)
                {
                    _contextProperties = new ArrayList();
                }
                return _contextProperties;
            }
        }

        public override IDictionary Properties
        {
            [SecurityCritical]
            get
            {
                lock (this)
                {
                    if (InternalProperties == null)
                    {
                        InternalProperties = new Hashtable();
                    }
                    if (ExternalProperties == null)
                    {
                        ExternalProperties = new CCMDictionary(this, InternalProperties);
                    }
                    return ExternalProperties;
                }
            }
        }

        public IActivator Activator
        {
            [SecurityCritical]
            get
            {
                return _activator;
            }
            [SecurityCritical]
            set
            {
                _activator = value;
            }
        }

        public ConstructionCall(Header[] headers)
            : base(headers)
        {
        }

        public ConstructionCall(IMessage m)
            : base(m)
        {
        }

        internal ConstructionCall(SerializationInfo info, StreamingContext context)
            : base(info, context)
        {
        }

        [SecurityCritical]
        internal override bool FillSpecialHeader(string key, object value)
        {
            if (key != null)
            {
                if (key.Equals("__ActivationType"))
                {
                    _activationType = null;
                }
                else if (key.Equals("__ContextProperties"))
                {
                    _contextProperties = (IList)value;
                }
                else if (key.Equals("__CallSiteActivationAttributes"))
                {
                    _callSiteActivationAttributes = (object[])value;
                }
                else if (key.Equals("__Activator"))
                {
                    _activator = (IActivator)value;
                }
                else
                {
                    if (!key.Equals("__ActivationTypeName"))
                    {
                        return base.FillSpecialHeader(key, value);
                    }
                    _activationTypeName = (string)value;
                }
            }
            return true;
        }
    }
}