//Rss.css
//Provided by http://www.JayGeiger.com
//Free to use by anybody, just give me props!

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.IO;
using System.Text;
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 class RSS
{
    private string
        Title,
        Link,
        Description,
        LastBuildDate;
    ArrayList
        Items = new ArrayList();

	public RSS(string TitleIn, string LinkIn, string DescriptionIn, string LastBuildDateIn)
	{
        Title = TitleIn;
        Link = LinkIn;
        Description = DescriptionIn;
        LastBuildDate = LastBuildDateIn;
	}

    public void Add(string TitleIn, string LinkIn, string DescriptionIn, string GUIDIn)
    {
        RSSItem Item = new RSSItem(TitleIn, LinkIn, DescriptionIn, GUIDIn);
        Items.Add(Item);
    }

    public string Write()
    {
        string Result = "";
        Stream ms = new MemoryStream();

        UnicodeEncoding uniEncoding = new UnicodeEncoding();

        XmlTextWriter writer = new XmlTextWriter(ms, System.Text.Encoding.UTF8);
        writer.Formatting = Formatting.Indented;

        //Start the document.
        writer.WriteStartDocument();

        writer.WriteStartElement("rss");
        writer.WriteAttributeString("version", "2.0");
        writer.WriteStartElement("channel");
        writer.WriteElementString("title", Title);
        writer.WriteElementString("link", Link);
        writer.WriteElementString("description", Description);
        writer.WriteElementString("language", "en-us");
        writer.WriteElementString("lastBuildDate", LastBuildDate);

        for (int i = 0; i < Items.Count; i++)
        {
            RSSItem Item = (RSSItem)Items[i];
            Item.Write(writer);
        }

        writer.WriteEndDocument();
        writer.Flush();

        ms.Seek(0, SeekOrigin.Begin);

        StreamReader sr = new StreamReader(ms);
        StringBuilder sb = new StringBuilder();

        sb.Append(sr.ReadToEnd());
        
        writer.Close();

        return sb.ToString();
    }
}

public class RSSItem
{
    private string
        Title,
        Link,
        Description,
        GUID;

    public RSSItem(string TitleIn, string LinkIn, string DescriptionIn, string GUIDIn)
    {
        Title = TitleIn;
        Link = LinkIn;
        Description = DescriptionIn;
        GUID = GUIDIn;
    }

    public void Write(XmlTextWriter writer)
    {
        writer.WriteStartElement("item");
        writer.WriteElementString("title", Title);
        writer.WriteElementString("link", Link);
        writer.WriteElementString("description", Description);
        writer.WriteElementString("guid", GUID);
        writer.WriteEndElement();
    }
}