private static RSSItem[] GetRSSItems(List <RSSItem> alItems, int numberToShow)
{
RSSItem[] rssItems = (alItems.Count > 0)?alItems.ToArray():null;
if (numberToShow > rssItems.Length || numberToShow == 0)
{
numberToShow = rssItems.Length;
}
if (rssItems != null && numberToShow > 0)
{
List <string> currTitles = new List <string>();
RSSItem[] rssItemsFilter = new RSSItem[numberToShow];
Random r = new Random();
for (int i = 0; i < numberToShow; i++) //Look through each item
{
int num = r.Next(rssItems.Length);
while (currTitles.BinarySearch(rssItems[num].Title) > -1) //Avoid duplicates
{
num = r.Next(rssItems.Length);
}
rssItemsFilter[i] = rssItems[num];
currTitles.Add(rssItems[num].Title);
currTitles.Sort();
}
return(rssItemsFilter);
}
return(rssItems);
}
public static string GetRssItems(string[] rssURLs, int numberToShow)
{
List <RSSItem> alItems = new List <RSSItem>();
foreach (string url in rssURLs)
{
if (url.Length > 0)
{
string title = null;
string link = null;
string desc = null;
XmlReader reader = null;
try {
reader = XmlReader.Create(url);
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name.ToLower())
{
case "title":
title = reader.ReadString();
break;
case "link":
link = reader.ReadString();
break;
case "description":
desc = reader.ReadString();
if (desc.Length > 250)
{
desc = desc.Substring(0, 250) + "...";
}
break;
}
}
//After each item end tag create HTML output
if (reader.NodeType == XmlNodeType.EndElement && reader.Name.ToLower() == "item")
{
RSSItem item = new RSSItem(title, link, desc);
alItems.Add(item);
}
}
}
catch {}
finally {
reader.Close();
}
}
}
return(CreateHtml(alItems, numberToShow));
}
private static void WriteItem(XmlWriter writer, RSSItem item)
{
writer.WriteStartElement("li");
writer.WriteStartElement("a");
writer.WriteAttributeString("href", item.Link);
writer.WriteString(item.Title);
writer.WriteEndElement();
writer.WriteElementString("br", String.Empty);
writer.WriteString(item.Description);
writer.WriteElementString("p", String.Empty);
writer.WriteEndElement();
}
