public static RssChannel Create( String rssUrl ) {
RssChannel feed = new RssChannel();
RssImage img = new RssImage();
XmlTextReader reader = new XmlTextReader( rssUrl );
Boolean isNewItem = false;
Boolean isImage = false;
RssItem rssItem = new RssItem();
reader.MoveToContent();
while (reader.Read()) {
if (!reader.Name.Equals( "channel" ) && ((reader.NodeType != XmlNodeType.Whitespace) && (reader.NodeType != XmlNodeType.Comment))) {
if (((reader.NodeType == XmlNodeType.EndElement) && reader.Name.Equals( "item" )) && strUtil.HasText( rssItem.Title )) {
feed.RssItems.Add( rssItem );
rssItem = new RssItem();
isNewItem = false;
}
else {
if ((reader.NodeType == XmlNodeType.EndElement) && reader.Name.Equals( "image" )) {
isImage = false;
continue;
}
if (equal( reader, "image" )) {
isImage = true;
isNewItem = false;
continue;
}
if (equal( reader, "item" )) {
isNewItem = true;
isImage = false;
continue;
}
if (reader.NodeType == XmlNodeType.Element) {
if (!(isNewItem || isImage)) {
readRssChannel( feed, reader );
}
else if (isNewItem) {
readRssItem( rssItem, reader );
}
else if (isImage) {
readRssImage( img, reader );
}
}
}
}
}
feed.RssImage = img;
reader.Close();
return feed;
}
public virtual RssChannel getRssByApp(long appId, int count) {
List<BlogPost> newListAll = null;
if (appId > 0)
newListAll = this.GetNewBlog( appId, count );
else
newListAll = this.GetNewListAll( count );
BlogApp app = BlogApp.findById( appId );
User user = User.findById( app.OwnerId );
IMemberApp uapp = new UserAppService().GetByApp( app );
RssChannel channel = new RssChannel();
channel.Title = uapp.Name + " -- " + user.Name + "'s blog";
channel.Link = Link.ToMember( user );
foreach (BlogPost post in newListAll) {
RssItem rssItem = new RssItem();
rssItem.Title = post.Title;
rssItem.Description = post.Content;
rssItem.Category = post.Category.Name;
rssItem.PubDate = post.Created;
rssItem.Author = post.Creator.Name;
rssItem["CreatorLink"] = channel.Link;
rssItem["CreatorFace"] = post.Creator.PicSmall;
rssItem.Link = alink.ToAppData( post );
channel.RssItems.Add( rssItem );
}
return channel;
}
private static void readRssChannel( RssChannel feed, XmlReader reader )
{
if (equal( reader, "title" )) {
feed.Title = reader.ReadString();
}
else if (equal( reader, "link" )) {
feed.Link = reader.ReadString();
}
else if (equal( reader, "description" )) {
feed.Description = reader.ReadString();
}
else if (equal( reader, "pubdate" )) {
feed.PubDate = parseTime( reader.ReadString() );
}
else if (equal( reader, "language" )) {
feed.Language = reader.ReadString();
}
else if (equal( reader, "generator" )) {
feed.Generator = reader.ReadString();
}
else if (equal( reader, "lastbuilddate" )) {
feed.LastBuildDate = parseTime( reader.ReadString() );
}
}
private void downalodFeed( object arg )
{
FeedSource f = arg as FeedSource;
RssItemList articles;
try {
logger.Info( "RssChannel.Create=>" + f.FeedLink );
articles = RssChannel.Create( f.FeedLink ).RssItems;
}
catch (Exception ex) {
logger.Error( "download rss:" + f.FeedLink );
logger.Error( ex.Message );
return;
}
//最后更新时间
f.LastRefreshTime = DateTime.Now;
db.update( f, "LastRefreshTime" );
logger.Info( "download feed ok" );
RssChannel c = new RssChannel();
c.RssItems = articles;
f.RssChannel = c;
saveFeedItems( f );
}
public static RssChannel Create(String rssUrl)
{
RssChannel feed = new RssChannel();
RssImage img = new RssImage();
XmlTextReader reader = new XmlTextReader(rssUrl);
Boolean isNewItem = false;
Boolean isImage = false;
RssItem rssItem = new RssItem();
reader.MoveToContent();
while (reader.Read())
{
if (!reader.Name.Equals("channel") && ((reader.NodeType != XmlNodeType.Whitespace) && (reader.NodeType != XmlNodeType.Comment)))
{
if (((reader.NodeType == XmlNodeType.EndElement) && reader.Name.Equals("item")) && strUtil.HasText(rssItem.Title))
{
feed.RssItems.Add(rssItem);
rssItem = new RssItem();
isNewItem = false;
}
else
{
if ((reader.NodeType == XmlNodeType.EndElement) && reader.Name.Equals("image"))
{
isImage = false;
continue;
}
if (equal(reader, "image"))
{
isImage = true;
isNewItem = false;
continue;
}
if (equal(reader, "item"))
{
isNewItem = true;
isImage = false;
continue;
}
if (reader.NodeType == XmlNodeType.Element)
{
if (!(isNewItem || isImage))
{
readRssChannel(feed, reader);
}
else if (isNewItem)
{
readRssItem(rssItem, reader);
}
else if (isImage)
{
readRssImage(img, reader);
}
}
}
}
}
feed.RssImage = img;
reader.Close();
return(feed);
}
