content: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH & Co. KG (https://www.alkacon.com)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library 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
   * Lesser General Public License for more details.
   *
   * For further information about Alkacon Software, please see the
   * company website: https://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: https://www.opencms.org
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package org.opencms.ui.apps;
  
  import com.vaadin.navigator.NavigationStateManager;
  import com.vaadin.navigator.Navigator;
  import com.vaadin.navigator.View;
  import com.vaadin.navigator.ViewDisplay;
  import com.vaadin.ui.UI;
  
  /**
   * Custom navigator subclass used to prevent "slash accumulation" in the URL fragment if the navigateTo(...) methods are called
   * multiple names in the same navigation.
   */
  public class CmsAppNavigator extends Navigator {
  
      /** Serial version id. */
      private static final long serialVersionUID = 1L;
  
      /**
       * Creates a new instance.<p>
       *
       * @param ui the UI
       * @param stateManager the state manager
       * @param display the display
       */
      public CmsAppNavigator(UI ui, NavigationStateManager stateManager, ViewDisplay display) {
          super(ui, stateManager, display);
      }
  
      /**
       * @see com.vaadin.navigator.Navigator#navigateTo(com.vaadin.navigator.View, java.lang.String, java.lang.String)
       */
      @Override
      protected void navigateTo(View view, String viewName, String parameters) {
  
          if ((parameters != null) && parameters.startsWith("/")) {
              parameters = parameters.substring(1);
          }
          super.navigateTo(view, viewName, parameters);
      }
  
  }
  