fix permalink, again...

git-svn-id: https://scm.gforge.inria.fr/authscm/ycadoret/svn/gazelle/Maven/gazelle-proxy/trunk@27967 356b4b1a-1d2b-0410-8bf1-ffa24008f01e

gazelle-proxy-jar/src/main/java/net/ihe/gazelle/proxy/gui/MessageBean.java

@@ -9,6 +9,7 @@ import javax.faces.context.ExternalContext;
 import javax.faces.context.FacesContext;
 import javax.persistence.EntityManager;
 import javax.servlet.ServletOutputStream;
+import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
 import net.ihe.gazelle.proxy.dao.ProxyDAO;
@@ -64,7 +65,9 @@ public class MessageBean {
 	}
 
 	public String displayURLOfPage() {
-		return Preferences.getProperty("cas.service");
+		HttpServletRequest req = (HttpServletRequest) FacesContext.getCurrentInstance().getExternalContext()
+				.getRequest();
+		return req.getRequestURL().toString();
 	}
 
 	public void retrieveMessage(String channelType) {