Fix that avoids an annoying warning when a client's connection sent an end of stream element.

git-svn-id: http://svn.igniterealtime.org/svn/repos/messenger/trunk@729 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/messenger/net/SocketReadThread.java

@@ -175,10 +175,13 @@ public class SocketReadThread extends Thread {
      */
     private void readStream() throws Exception {
         while (true) {
-            Document document = reader.parseDocument();
+            Element doc = reader.parseDocument().getRootElement();
 
-            if (document != null) {
-                Element doc = document.getRootElement();
+            if (doc == null) {
+                // Stop reading the stream since the client has sent an end of stream element and
+                // probably closed the connection
+                return;
+            }
 
             String tag = doc.getName();
             if ("message".equals(tag)) {
@@ -209,7 +212,6 @@ public class SocketReadThread extends Thread {
             }
         }
     }
-    }
 
     private IQ getIQ(Element doc) {
         Element query = doc.element("query");