Tim Hibbard

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Xml;

public partial class cot : System.Web.UI.Page
{
    GPSXML gpsEntity;
    string xmlFile = "http://timhibbard.com/wherestim/gpsdata.xml";
    protected void Page_Load(object sender, EventArgs e)
    {
        try
        {
            //pull requested xml file out of query string
            string tmpXml = Request.QueryString["xml"];
            if (!string.IsNullOrEmpty(tmpXml))
            {
                xmlFile = tmpXml;
            }
            gpsEntity = new GPSXML(xmlFile);
        }
        catch (Exception)
        {

        }
        BuildCoT();

    }

    private void BuildCoT()
    {
        Response.Clear();
        Response.ContentType = "text/xml";
        Response.ContentEncoding = System.Text.Encoding.UTF8;

        GPSXML.GPSDataObject gps = gpsEntity.GetGPSData();
        System.IO.MemoryStream stream = new System.IO.MemoryStream();
        XmlTextWriter xmlWriter = new XmlTextWriter(stream, System.Text.Encoding.UTF8);
        
        xmlWriter.WriteStartDocument();
        xmlWriter.WriteWhitespace(Environment.NewLine);

        xmlWriter.WriteStartElement("event");
        xmlWriter.WriteAttributeString("version", "2.0");
        //my unique identifier
        xmlWriter.WriteAttributeString("uid", "engraph.wherestim." + gpsEntity.Name.Replace(" ","_"));
        //type description for where's tim atom-friendly-ground
        xmlWriter.WriteAttributeString("type", "a-f-G");
        //this data is being produced right now
        xmlWriter.WriteAttributeString("time", DateTime.Now.ToUniversalTime().ToString("s") + "Z");
        //the time scope of this data starts right now
        xmlWriter.WriteAttributeString("start", DateTime.Now.ToUniversalTime().ToString("s") + "Z");
        //this data expires in two minutes
        xmlWriter.WriteAttributeString("stale", DateTime.Now.AddSeconds(120).ToUniversalTime().ToString("s") + "Z");
        //this data is machine-generated
        xmlWriter.WriteAttributeString("how", "m-g");
        

        xmlWriter.WriteStartElement("point");
        //my location
        xmlWriter.WriteAttributeString("lat", gps.Lat.ToString());
        xmlWriter.WriteAttributeString("lon", gps.Lon.ToString());
        //meters of potential deviation
        xmlWriter.WriteAttributeString("ce", "100");
        //height above location
        xmlWriter.WriteAttributeString("hae", "0");
        xmlWriter.WriteAttributeString("le", "100");
        xmlWriter.WriteEndElement();

        xmlWriter.WriteStartElement("detail");
        xmlWriter.WriteStartElement("track");
        //the direction i am heading
        xmlWriter.WriteAttributeString("course", gps.Heading.ToString());
        //speed in meters per second
        xmlWriter.WriteAttributeString("speed", (double.Parse(gps.Speed.ToString()) * 0.44704).ToString());
        xmlWriter.WriteEndElement();
        xmlWriter.WriteEndElement();

        xmlWriter.WriteWhitespace(Environment.NewLine);
        xmlWriter.WriteEndDocument();
        xmlWriter.Flush();

        System.IO.StreamReader reader;
        stream.Position = 0;

        reader = new System.IO.StreamReader(stream);

        byte[] bytes = System.Text.Encoding.UTF8.GetBytes(reader.ReadToEnd());

        //write to response stream
        Response.BinaryWrite(bytes);

        Response.End();
    }
}