sending the user to the login page when the session expires while filling out a form.

- sending back response code SC_UNAUTHORIZED from ajax servlet when the user has been logged out.

updated textarea test.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5058 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/web/app/Application.java

@@ -237,6 +237,17 @@ public class Application
             WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE));
    }
    
+   /**
+    * Retrieves the configured login page for the application
+    * 
+    * @param facesContext The faces context
+    * @return The configured login page or null if the configuration is missing
+    */
+   public static String getLoginPage(FacesContext facesContext)
+   {
+      return getLoginPage(FacesContextUtils.getRequiredWebApplicationContext(facesContext));
+   }
+   
    /**
     * Retrieves the configured login page for the application
     *