Java tutorial
/* * This library is part of OpenCms - * the Open Source Content Management System * * Copyright (c) Alkacon Software GmbH & Co. KG (http://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: http://www.alkacon.com * * For further information about OpenCms, please see the * project website: http://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.main; import java.io.IOException; import java.io.InputStream; import com.vaadin.server.Constants; import com.vaadin.server.DeploymentConfiguration; import com.vaadin.server.ServiceException; import com.vaadin.server.VaadinServlet; import com.vaadin.server.VaadinServletService; import com.vaadin.ui.UI; /** * A custom servlet service implementation.<p> */ public class CmsVaadinServletService extends VaadinServletService { /** Serial version id. */ private static final long serialVersionUID = 1L; /** * Creates a new instance.<p> * * @param servlet the servlet instance * @param deploymentConfiguration the deployment configuration * * @throws ServiceException if something goes wrong */ public CmsVaadinServletService(VaadinServlet servlet, DeploymentConfiguration deploymentConfiguration) throws ServiceException { super(servlet, deploymentConfiguration); } /** * @see com.vaadin.server.VaadinServletService#getThemeResourceAsStream(com.vaadin.ui.UI, java.lang.String, java.lang.String) */ @Override public InputStream getThemeResourceAsStream(UI uI, String themeName, String resource) throws IOException { String resourcePath = Constants.THEME_DIR_PATH + '/' + themeName + "/" + resource; InputStream result = getClass().getClassLoader().getResourceAsStream(resourcePath); if (result != null) { return result; } else { return super.getThemeResourceAsStream(uI, themeName, resource); } } }