private SiteNameNode Add(Site s)
{
ProfileNameNode pnn = (ProfileNameNode)sitesTreeView.Nodes[0];
Profile p = pnn.Profile;
p.Add(s);
return CreateSiteNodes(s);
}
public void FetchingSucceeded(Site s)
{
if (thread.IsAlive == false)
{
threadRunning = true;
thread.Start();
}
}
protected override Article CreateArticle(Site s, XPathNavigator navigator)
{
Article output = new Article(s.Guid);
UpdateTitle(output, navigator);
UpdateContent(output, navigator);
UpdateUri(output, navigator);
UpdateMedias(output, navigator);
return output;
}
private void addRssFetcherMenuItem_Click(object sender, EventArgs e)
{
Site s = new Site();
s.Name = GFResources.GetString("RSS_FEED_DEFAULT_NAME");
s.Uri = new Uri(GFResources.GetString("RSS_FEED_DEFAULT_URI"));
s.FetcherPlugin = "GetFacts.Plugins.RssFetcher";
TreeNode tn = Add(s);
tn.Expand();
sitesTreeView.Focus();
sitesTreeView.SelectedNode = tn;
}
protected override XPathNodeIterator CreateArticlesIterator(Site s, XPathNavigator navigator)
{
// RSS
XPathNodeIterator output = navigator.Select("/rss/channel/item");
if (output.Count == 0)
{
// ATOM
output = navigator.Select("/atom:feed/atom:entry", xmlnsManager);
}
return output;
}
/// <summary>
/// Analyze the content of the XML data freshly fetched from
/// the Site and return a FrontPage filled with all the required information.
/// The method does not process the Articles.
/// </summary>
/// <param name="s">The Site from which the XML data has been collected</param>
/// <param name="navigator">The XPathNavigator set to explore the XML data</param>
/// <returns>A fully filled FrontPage object, without Articles.</returns>
protected override FrontPage CreateFrontPage(Site s, XPathNavigator navigator)
{
// Create the front page with the default values
FrontPage output = new FrontPage(s.Guid);
UpdateTitle(output, navigator);
UpdateCaption(output, navigator);
UpdateUri(output, navigator);
return output;
}
public void FetchingSucceeded(Site s)
{
treeView1.BeginInvoke((MethodInvoker)delegate
{
// Find or create a node in the tree for that site
TreeNode siteNode = FindOrCreateRoot(s.Guid);
// Change the icon of the node
siteNode.ImageKey = "site_idle.png";
siteNode.SelectedImageKey = siteNode.ImageKey;
});
}
public FrontPage Fetch(Site s)
{
// Retrieve the url of the document, get it and
// create an XmlDocument from the raw document.
XmlDocument doc = GetXmlDocument(s.Uri);
Prefetch(doc);
XPathNavigator navigator = doc.CreateNavigator();
// Create a new FrontPage (without articles)
FrontPage output = CreateFrontPage(s, navigator);
// Get an iterator to scan through all the articles in the XML
XPathNodeIterator articlesIterator = CreateArticlesIterator(s, navigator);
// browse through all articles
while (articlesIterator.MoveNext() == true)
{
Article a = CreateArticle(s, articlesIterator.Current);
output.Add(a);
}
return output;
}
internal void Add(Site s)
{
sites.Add(s);
}
private void ProcessSite(Site s)
{
Database database = Database.GetInstance();
// Prepare a list of all articles in the database
// for the Site
List<Article> toBeRemoved = null;
// obtain the plugin that can fetch the data
string pluginName = s.FetcherPlugin;
using (IFetcherPlugin plugin = PluginsManager.GetInstance().GetFetcher(pluginName) )
{
FrontPage fetchedData = plugin.Fetch(s);
toBeRemoved = database.Push(fetchedData);
}
// remove articles that are not available
// anymore on the Site.
if ((toBeRemoved != null) && (toBeRemoved.Count > 0))
{
database.Remove(toBeRemoved);
}
}
private void FetchSite(Site s)
{
viewer.FetchingStarted(s);
try
{
ProcessSite(s);
viewer.FetchingSucceeded(s);
}
catch (Exception e)
{
viewer.FetchingFailed(s, e);
throw;
}
finally
{
}
}
internal LayoutNode(Site s)
: base(s.LayoutPlugin)
{
this.site = s;
}
internal SiteNameNode(Site s)
: base(s.Name)
{
this.site = s;
}
internal SiteUriNode(Site s)
: base(s.Uri)
{
this.site = s;
}
private static List<Profile> Load(string srcFile)
{
Hashtable profiles = new Hashtable();
// read xml
using (FileStream fs = File.Open(srcFile, FileMode.Open, FileAccess.Read))
{
using (StreamReader sr = new StreamReader(fs, Encoding.Unicode))
{
using (XmlReader input = XmlReader.Create(sr))
{
while (input.Read())
{
if (input.NodeType == XmlNodeType.Element)
{
if (input.Name == "profile")
{
using (XmlReader subTree = input.ReadSubtree())
{
Profile p = new Profile(subTree);
profiles[p.Guid] = p;
}
}
if (input.Name == "site")
{
string guid = input.GetAttribute("profile");
Guid profileId = new Guid(guid);
using (XmlReader subTree = input.ReadSubtree())
{
Site s = new Site(subTree);
Profile p = (Profile)profiles[profileId];
p.Add(s);
}
}
}
}
}
}
}
List<Profile> output = new List<Profile>();
foreach (Profile p in profiles.Values)
{
output.Add(p);
}
return output;
}
/// <summary>
/// Loads use profiles from the XML backup.
/// </summary>
/// <returns></returns>
private static List<Profile> DemoProfile()
{
List<Profile> output = new List<Profile>();
Profile demoProfile = new Profile(Guid.Empty);
demoProfile.Name = "Demo";
demoProfile.Description = "Select this profile to get a glimpse at what GetFacts can do...";
output.Add(demoProfile);
Site ignRss = new Site(new Guid("a6268b26-13c3-8d53-1e34-8f862f168475"));
ignRss.Name = "IGN Video reviews";
ignRss.FetcherPlugin = "GetFacts.Plugins.RssFetcher";
ignRss.Uri = new Uri("http://feeds.ign.com/ign/video-reviews");
demoProfile.Add(ignRss);
Site devBestOfRss = new Site(new Guid("b99b539a-67e0-4079-8a76-0468f302ff2c"));
devBestOfRss.Name = "Developpez.net - Débats sur le développement, le best of";
devBestOfRss.FetcherPlugin = "GetFacts.Plugins.RssFetcher";
devBestOfRss.Uri = new Uri("http://www.developpez.net/forums/external.php?type=RSS2&forumids=40");
demoProfile.Add(devBestOfRss);
Site devEmploiRss = new Site(new Guid("efbb9d1e-e644-4530-9b3d-95c8fb381339"));
devEmploiRss.Name = "Developpez.net - Emploi";
devEmploiRss.FetcherPlugin = "GetFacts.Plugins.RssFetcher";
devEmploiRss.Uri = new Uri("http://www.developpez.net/forums/external.php?type=RSS2&forumids=258");
demoProfile.Add(devEmploiRss);
Site slateFrRss = new Site(new Guid("af3b0618-f4de-4772-b0d2-a6de8b5edd27"));
slateFrRss.Name = "Slate.fr";
slateFrRss.FetcherPlugin = "GetFacts.Plugins.RssFetcher";
slateFrRss.Uri = new Uri("http://www.slate.fr/rss.xml");
demoProfile.Add(slateFrRss);
Site rue89Rss = new Site(new Guid("cd614176-e942-4da2-ab21-d6e1d367ee82"));
rue89Rss.Name = "Rue89";
rue89Rss.FetcherPlugin = "GetFacts.Plugins.RssFetcher";
rue89Rss.Uri = new Uri("http://www.rue89.com/feed");
demoProfile.Add(rue89Rss);
Site clubicRss = new Site(new Guid("89ba3fca-09b4-4c84-9bed-1b8d12034fe3"));
clubicRss.Name = "clubic.com";
clubicRss.FetcherPlugin = "GetFacts.Plugins.RssFetcher";
clubicRss.Uri = new Uri("http://www.clubic.com/articles.rss");
demoProfile.Add(clubicRss);
return output;
}
private void SiteToXml(Profile p, Site s, XmlTextWriter w)
{
w.WriteStartElement("site");
w.WriteAttributeString("profile", p.Guid.ToString());
w.WriteElementString("guid", s.Guid.ToString());
w.WriteElementString("name", s.Name);
w.WriteElementString("url", s.Uri.ToString());
w.WriteElementString("plugin", s.FetcherPlugin);
w.WriteElementString("layout", s.LayoutPlugin);
w.WriteEndElement();
}
public void FetchingStarted(Site s)
{
//throw new NotImplementedException();
}
public void FetchingSucceeded(Site s)
{
if (articlesRotatorThread.IsAlive == false)
{
rotatorThreadRunning = true;
articlesRotatorThread.Start();
}
if (articlesPopupThread.IsAlive == false)
{
popupThreadRunning = true;
articlesPopupThread.Start();
}
}
/// <summary> /// Analyze the content of the XML data freshly fetched from /// the Site and return a FrontPage filled with all the required information. /// The method does not process the Articles. /// </summary> /// <param name="s">The Site from which the XML data has been collected</param> /// <param name="navigator">The XPathNavigator set to explore the XML data</param> /// <returns>A fully filled FrontPage object, without Articles.</returns> protected abstract FrontPage CreateFrontPage(Site s, XPathNavigator navigator);
protected abstract XPathNodeIterator CreateArticlesIterator(Site s, XPathNavigator navigator);
protected abstract Article CreateArticle(Site s, XPathNavigator navigator);
public void FetchingFailed(Site s, Exception e)
{
//throw new NotImplementedException();
}
internal bool Contains(Site s)
{
return sites.Contains(s);
}
internal bool Remove(Site s)
{
return sites.Remove(s);
}
private SiteNameNode CreateSiteNodes(Site s)
{
TreeNode root = sitesTreeView.Nodes[s.FetcherPlugin];
SiteNameNode siteNameNode = new SiteNameNode(s);
root.Nodes.Add(siteNameNode);
SiteUriNode siteUriNode = new SiteUriNode(s);
siteNameNode.Nodes.Add(siteUriNode);
LayoutNode layoutNode = new LayoutNode(s);
siteNameNode.Nodes.Add(layoutNode);
return siteNameNode;
}
