org.lunifera.runtime.web.gyrex.vaadin.internal.OSGiServletService.java Source code

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Here is the source code for org.lunifera.runtime.web.gyrex.vaadin.internal.OSGiServletService.java

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/*******************************************************************************
 * Copyright (c) 2012 by committers of lunifera.org
 * 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *    Florian Pirchner - initial API and implementation
 *    
 *******************************************************************************/
package org.lunifera.runtime.web.gyrex.vaadin.internal;

import java.util.Dictionary;

import javax.servlet.http.HttpServletRequest;

import org.lunifera.runtime.web.gyrex.vaadin.IVaadinGyrexConstants;

import com.vaadin.server.DeploymentConfiguration;
import com.vaadin.server.ServiceException;
import com.vaadin.server.VaadinRequest;
import com.vaadin.server.VaadinServlet;
import com.vaadin.server.VaadinServletService;
import com.vaadin.server.VaadinSession;

@SuppressWarnings("serial")
public class OSGiServletService extends VaadinServletService {

    private final IVaadinSessionFactory factory;
    @SuppressWarnings("rawtypes")
    private Dictionary webAppProperties;

    public OSGiServletService(VaadinServlet servlet, DeploymentConfiguration deploymentConfiguration,
            @SuppressWarnings("rawtypes") Dictionary webAppProperties, IVaadinSessionFactory factory) {
        super(servlet, deploymentConfiguration);

        this.webAppProperties = webAppProperties;
        this.factory = factory;
    }

    @Override
    public String getConfiguredWidgetset(VaadinRequest request) {
        String result = (String) webAppProperties.get(IVaadinGyrexConstants.PROP_WIDGETSET);
        if (result == null || result.equals("")) {
            return super.getConfiguredWidgetset(request);
        }

        return result;
    }

    @Override
    protected VaadinSession createVaadinSession(VaadinRequest request) throws ServiceException {
        return factory.createSession(request, getCurrentServletRequest());
    }

    /**
     * Creates new instances of vaadin sessions.
     */
    public interface IVaadinSessionFactory {
        /**
         * Returns a new instance of a vaadin session.
         * 
         * @param request
         * @param httpServletRequest
         * 
         * @return
         */
        VaadinSession createSession(VaadinRequest request, HttpServletRequest httpServletRequest);
    }
}