diff -r f907866f0e4b -r 6fceb66e1ad7 org/sonews/feed/PushFeeder.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org/sonews/feed/PushFeeder.java	Fri Jun 26 16:48:50 2009 +0200
@@ -0,0 +1,107 @@
+/*
+ *   SONEWS News Server
+ *   see AUTHORS for the list of contributors
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sonews.feed;
+
+import java.io.IOException;
+import java.util.concurrent.ConcurrentLinkedQueue;
+import org.sonews.daemon.storage.Article;
+import org.sonews.daemon.storage.Headers;
+import org.sonews.util.Log;
+import org.sonews.util.io.ArticleWriter;
+
+/**
+ * Pushes new articles to remote newsservers. This feeder sleeps until a new
+ * message is posted to the sonews instance.
+ * @author Christian Lins
+ * @since sonews/0.5.0
+ */
+class PushFeeder extends AbstractFeeder
+{
+  
+  private ConcurrentLinkedQueue<Article> articleQueue = 
+    new ConcurrentLinkedQueue<Article>();
+  
+  @Override
+  public void run()
+  {
+    while(isRunning())
+    {
+      try
+      {
+        synchronized(this)
+        {
+          this.wait();
+        }
+        
+        Article  article = this.articleQueue.poll();
+        String[] groups  = article.getHeader(Headers.NEWSGROUPS)[0].split(",");
+        Log.msg("PushFeed: " + article.getMessageID(), true);
+        for(Subscription sub : this.subscriptions)
+        {
+          // Circle check
+          if(article.getHeader(Headers.PATH)[0].contains(sub.getHost()))
+          {
+            Log.msg(article.getMessageID() + " skipped for host " 
+              + sub.getHost(), true);
+            continue;
+          }
+
+          try
+          {
+            for(String group : groups)
+            {
+              if(sub.getGroup().equals(group))
+              {
+                // Delete headers that may cause problems
+                article.removeHeader(Headers.NNTP_POSTING_DATE);
+                article.removeHeader(Headers.NNTP_POSTING_HOST);
+                article.removeHeader(Headers.X_COMPLAINTS_TO);
+                article.removeHeader(Headers.X_TRACE);
+                article.removeHeader(Headers.XREF);
+                
+                // POST the message to remote server
+                ArticleWriter awriter = new ArticleWriter(sub.getHost(), sub.getPort());
+                awriter.writeArticle(article);
+                break;
+              }
+            }
+          }
+          catch(IOException ex)
+          {
+            Log.msg(ex, false);
+          }
+        }
+      }
+      catch(InterruptedException ex)
+      {
+        Log.msg("PushFeeder interrupted.", true);
+      }
+    }
+  }
+  
+  public void queueForPush(Article article)
+  {
+    this.articleQueue.add(article);
+    synchronized(this)
+    {
+      this.notifyAll();
+    }
+  }
+  
+}