using System;
using System.Web;
using System.Web.Handlers;
using System.Web.Hosting;
using System.Net;
using System.Web.Services.Protocols;
using System.Messaging;
using System.Text;
using System.IO;
using System.Xml;
using Microsoft.Web.Services2;


namespace newtelligence.Services.Core
{

	internal class MessageQueueWebResponse : WebResponse
	{
		private static byte[] exceptionMessage;

		static MessageQueueWebResponse()
		{
			MemoryStream bufferStream = new MemoryStream();
			XmlTextWriter envelopeStream = new XmlTextWriter(bufferStream, System.Text.Encoding.UTF8);

			SoapEnvelope exceptionEnvelope = new SoapEnvelope();
			XmlElement bodyElement = exceptionEnvelope.CreateBody();
			XmlElement faultElement = exceptionEnvelope.CreateElement("Fault",Soap.NamespaceURI);
			bodyElement.AppendChild(faultElement);
			XmlElement faultCode = exceptionEnvelope.CreateElement("faultcode",Soap.NamespaceURI);
			faultCode.InnerText = "Client.OneWayCall";
			faultElement.AppendChild(faultCode);
			XmlElement faultString = exceptionEnvelope.CreateElement("faultstring",Soap.NamespaceURI);
			faultString.InnerText = "Cannot return synchronous responses through MSMQ. The remote action may have executed and is not the cause of this failure.";
			faultElement.AppendChild(faultString);
			
			exceptionEnvelope.WriteTo( envelopeStream );
			envelopeStream.Flush();
			bufferStream.Flush();

			exceptionMessage = bufferStream.ToArray();
		}

		public override Stream GetResponseStream()
		{
			return new MemoryStream(exceptionMessage);
		}

		public override long ContentLength
		{
			get
			{
				return exceptionMessage.Length;
			}
			set	
			{
				throw new NotSupportedException();
			}
		}

		public override string ContentType
		{
			get
			{
				return "text/xml";
			}
			set	
			{
				throw new NotSupportedException();
			}
		}

		public override WebHeaderCollection Headers
		{
			get
			{
				return new WebHeaderCollection();
			}
		}
	}
}