/// <summary>
/// RSS 1.0の読み込みを行います。
/// </summary>
/// <param name="uri">フィードのURL</param>
/// <returns>フィード</returns>
private FeedInfo ReadRSS1(Uri uri)
{
FeedInfo info = new FeedInfo();
info.Url = uri;
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(uri.ToString());
List<FeedItem> ret = new List<FeedItem>();
XmlNamespaceManager nsmgr = new XmlNamespaceManager(xmlDoc.NameTable);
nsmgr.AddNamespace("rss", "http://purl.org/rss/1.0/");
nsmgr.AddNamespace("content", "http://purl.org/rss/1.0/modules/content/");
nsmgr.AddNamespace("rdf", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
nsmgr.AddNamespace("dc", "http://purl.org/dc/elements/1.1/");
XmlNodeList linodes = xmlDoc.SelectNodes("/rdf:RDF/rss:channel/rss:items/rdf:Seq/rdf:li", nsmgr);
foreach (XmlNode node in linodes)
{
string strResource = node.Attributes["resource", "http://www.w3.org/1999/02/22-rdf-syntax-ns#"].Value;
XmlNode aboutItem = xmlDoc.SelectSingleNode("/rdf:RDF/rss:item[@rdf:about='" + strResource + "']", nsmgr);
if (aboutItem != null)
{
XmlNode titleNode = aboutItem.SelectSingleNode("rss:title", nsmgr);
XmlNode contentNode = aboutItem.SelectSingleNode("content:encoded", nsmgr);
XmlNode linkUrkNode = aboutItem.SelectSingleNode("rss:link", nsmgr);
XmlNode dateNode = aboutItem.SelectSingleNode("dc:date", nsmgr);
string title = string.Empty;
string content = string.Empty;
string link = string.Empty;
string date = string.Empty;
if (titleNode != null)
{
title = titleNode.InnerText;
}
if (linkUrkNode != null)
{
link = linkUrkNode.InnerText;
}
if (contentNode != null)
{
content = contentNode.InnerText;
}
if (dateNode != null)
{
date = dateNode.InnerText;
}
FeedItem rssItem = new FeedItem();
rssItem.Title = title;
rssItem.Content = content;
rssItem.Date = stringToDateTime(date);
rssItem.Link = new Uri(link);
ret.Add(rssItem);
}
}
info.Items = ret.ToArray();
info.Title = xmlDoc.SelectSingleNode("/rdf:RDF/rss:channel/rss:title", nsmgr).InnerText;
return info;
}
/// <summary>
/// RSS 1.0の読み込みを行います。
/// </summary>
/// <param name="uri">フィードのURL</param>
/// <param name="rssXml">読み込み済みのXMLドキュメント</param>
/// <returns>フィード</returns>
private FeedInfo ReadRSS1(Uri uri, XmlDocument rssXml)
{
FeedInfo info = new FeedInfo();
info.Url = uri;
List <FeedItem> ret = new List <FeedItem>();
XmlNamespaceManager nsmgr = new XmlNamespaceManager(rssXml.NameTable);
nsmgr.AddNamespace("rss", "http://purl.org/rss/1.0/");
nsmgr.AddNamespace("content", "http://purl.org/rss/1.0/modules/content/");
nsmgr.AddNamespace("rdf", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
nsmgr.AddNamespace("dc", "http://purl.org/dc/elements/1.1/");
XmlNodeList linodes = rssXml.SelectNodes("/rdf:RDF/rss:channel/rss:items/rdf:Seq/rdf:li", nsmgr);
foreach (XmlNode node in linodes)
{
string strResource = node.Attributes["resource", "http://www.w3.org/1999/02/22-rdf-syntax-ns#"].Value;
XmlNode aboutItem = rssXml.SelectSingleNode("/rdf:RDF/rss:item[@rdf:about='" + strResource + "']", nsmgr);
if (aboutItem != null)
{
XmlNode titleNode = aboutItem.SelectSingleNode("rss:title", nsmgr);
XmlNode contentNode = aboutItem.SelectSingleNode("content:encoded", nsmgr);
XmlNode linkUrkNode = aboutItem.SelectSingleNode("rss:link", nsmgr);
XmlNode dateNode = aboutItem.SelectSingleNode("dc:date", nsmgr);
string title = string.Empty;
string content = string.Empty;
string link = string.Empty;
string date = string.Empty;
if (titleNode != null)
{
title = titleNode.InnerText;
}
if (linkUrkNode != null)
{
link = linkUrkNode.InnerText;
}
if (contentNode != null)
{
content = contentNode.InnerText;
}
if (dateNode != null)
{
date = dateNode.InnerText;
}
FeedItem rssItem = new FeedItem();
rssItem.Title = title;
rssItem.Content = content;
rssItem.Date = stringToDateTime(date);
rssItem.Link = new Uri(link);
ret.Add(rssItem);
}
}
info.Items = ret.ToArray();
info.Title = rssXml.SelectSingleNode("/rdf:RDF/rss:channel/rss:title", nsmgr).InnerText;
return(info);
}
