VirtualService for ESB

//*****************************************************************************
//    Description.....WS-Transfer Activity
//                                
//    Author..........Roman Kiss, rkiss@pathcom.com
//    Copyright © 2007 ATZ Consulting Inc. (see included license.rtf file)        
//                        
//    Date Created:    07/12/07
//
//    Date        Modified By     Description
//-----------------------------------------------------------------------------
//    07/12/07    Roman Kiss     Initial Revision
//*****************************************************************************
//
#region Namespaces
using System;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Collections.Generic;
using System.Collections;
using System.Drawing;
using System.Drawing.Design;
using System.Drawing.Drawing2D;
using System.Workflow.ComponentModel.Compiler;
using System.Workflow.ComponentModel.Serialization;
using System.Workflow.ComponentModel;
using System.Workflow.ComponentModel.Design;
using System.Workflow.Runtime;
using System.Workflow.Activities;
using System.Workflow.Activities.Rules;
using System.ServiceModel;
using System.ServiceModel.Description;
using System.ServiceModel.Channels;
//
using RKiss.ESB;
using RKiss.WSTransfer;
#endregion

namespace RKiss.WSTransferActivity
{
    [ToolboxItem(typeof(ActivityToolboxItem))]
    [Designer(typeof(WSRTActivityDesigner), typeof(IDesigner))]
    public partial class WSRT_Mex : Activity
    {
        public WSRT_Mex()
        {
            InitializeComponent();
        }

        protected override void InitializeProperties()
        {
            base.InitializeProperties();
        }

        protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
        {

            // intercept before the processing
            base.RaiseEvent(WSRT_Mex.InvokingEvent, this, EventArgs.Empty);

            if (string.IsNullOrEmpty(Wsdl))
            {
                if (OperationContext.Current != null)
                {
                    ServiceConfigDataService service = OperationContext.Current.Host.Extensions.Find<ServiceConfigDataService>();
                    Wsdl = service.ServiceConfigData.Wsdl;
                }
                else
                {
                    throw new InvalidOperationException(string.Format("The {0} activity must run within the ReceiveActivity - valid OperationContext.Current", this.Name));
                }
                if (string.IsNullOrEmpty(Wsdl))
                {
                    throw new ArgumentException("Missing wsdl metadata in the config");
                }
            }

            System.Xml.XmlDocument doc = new System.Xml.XmlDocument();
            if (Wsdl.Trim().StartsWith("<"))
                doc.LoadXml(Wsdl);
            else
                doc.Load(Wsdl);

            GetResponse response = new GetResponse(false);
            response.Resource = doc.DocumentElement;
            MessageResponse = response.CreateMessage();
                      
            // done
            return ActivityExecutionStatus.Closed;
        }

        #region Properties
        public static DependencyProperty MessageRequestProperty = DependencyProperty.Register("MessageRequest", typeof(Message), typeof(WSRT_Mex));

        [DescriptionAttribute("UnTyped Message Request")]
        [CategoryAttribute("Message")]
        [BrowsableAttribute(true)]
        [DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Visible)]
        public Message MessageRequest
        {
            get
            {
                return ((Message)(base.GetValue(WSRT_Mex.MessageRequestProperty)));
            }
            set
            {
                base.SetValue(WSRT_Mex.MessageRequestProperty, value);
            }
        }

        public static DependencyProperty MessageResponseProperty = DependencyProperty.Register("MessageResponse", typeof(Message), typeof(WSRT_Mex));

        [DescriptionAttribute("UnTyped Message Response")]
        [CategoryAttribute("Message")]
        [BrowsableAttribute(true)]
        [DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Visible)]
        public Message MessageResponse
        {
            get
            {
                return ((Message)(base.GetValue(WSRT_Mex.MessageResponseProperty)));
            }
            set
            {
                base.SetValue(WSRT_Mex.MessageResponseProperty, value);
            }
        }

        public string Wsdl { get; set; }
        #endregion

        #region Handlers
        public static DependencyProperty InvokingEvent = DependencyProperty.Register("Invoking", typeof(EventHandler), typeof(WSRT_Mex));

        [Description("Please specify the method to be called before the activity is executed")]
        [Category("Handlers")]
        [Browsable(true)]
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
        public event EventHandler Invoking
        {
            add
            {
                base.AddHandler(WSRT_Mex.InvokingEvent, value);
            }
            remove
            {
                base.RemoveHandler(WSRT_Mex.InvokingEvent, value);
            }
        }
        #endregion
    }
}