001/*
002 * This library is part of OpenCms -
003 * the Open Source Content Management System
004 *
005 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
006 *
007 * This library is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * This library is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * For further information about Alkacon Software, please see the
018 * company website: http://www.alkacon.com
019 *
020 * For further information about OpenCms, please see the
021 * project website: http://www.opencms.org
022 *
023 * You should have received a copy of the GNU Lesser General Public
024 * License along with this library; if not, write to the Free Software
025 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
026 */
027
028package org.opencms.ui.apps;
029
030import com.vaadin.navigator.NavigationStateManager;
031import com.vaadin.navigator.Navigator;
032import com.vaadin.navigator.View;
033import com.vaadin.navigator.ViewDisplay;
034import com.vaadin.ui.UI;
035
036/**
037 * Custom navigator subclass used to prevent "slash accumulation" in the URL fragment if the navigateTo(...) methods are called
038 * multiple names in the same navigation.
039 */
040public class CmsAppNavigator extends Navigator {
041
042    /** Serial version id. */
043    private static final long serialVersionUID = 1L;
044
045    /**
046     * Creates a new instance.<p>
047     *
048     * @param ui the UI
049     * @param stateManager the state manager
050     * @param display the display
051     */
052    public CmsAppNavigator(UI ui, NavigationStateManager stateManager, ViewDisplay display) {
053        super(ui, stateManager, display);
054    }
055
056    /**
057     * @see com.vaadin.navigator.Navigator#navigateTo(com.vaadin.navigator.View, java.lang.String, java.lang.String)
058     */
059    @Override
060    protected void navigateTo(View view, String viewName, String parameters) {
061
062        if ((parameters != null) && parameters.startsWith("/")) {
063            parameters = parameters.substring(1);
064        }
065        super.navigateTo(view, viewName, parameters);
066    }
067
068}