org.vaadin.webinars.springandvaadin.i18n.ui.createTask.CreateTaskServlet.java Source code

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Here is the source code for org.vaadin.webinars.springandvaadin.i18n.ui.createTask.CreateTaskServlet.java

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/*
 * Copyright 2014 The original authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.vaadin.webinars.springandvaadin.i18n.ui.createTask;

import com.vaadin.server.*;
import com.vaadin.ui.UI;
import org.springframework.context.ApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;

/**
 * @author petter@vaadin.com
 */
@WebServlet(urlPatterns = "/*")
public class CreateTaskServlet extends VaadinServlet {

    @Override
    protected void servletInitialized() throws ServletException {
        final ApplicationContext context = WebApplicationContextUtils.getWebApplicationContext(getServletContext());
        getService().addSessionInitListener(new SessionInitListener() {
            @Override
            public void sessionInit(SessionInitEvent sessionInitEvent) throws ServiceException {
                sessionInitEvent.getSession().addUIProvider(new UIProvider() {
                    @Override
                    public Class<? extends UI> getUIClass(UIClassSelectionEvent uiClassSelectionEvent) {
                        return CreateTaskUi.class;
                    }

                    @Override
                    public UI createInstance(UICreateEvent event) {
                        return context.getBean(event.getUIClass());
                    }
                });
            }
        });
    }

}