org.rapidpm.ddi.DDIVaadinServletService.java Source code

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Here is the source code for org.rapidpm.ddi.DDIVaadinServletService.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.rapidpm.ddi;

import com.vaadin.server.*;
import com.vaadin.ui.UI;
import org.reflections.util.ClasspathHelper;

import javax.annotation.PostConstruct;
import javax.servlet.ServletContext;
import java.net.URL;
import java.time.LocalDateTime;
import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;

public class DDIVaadinServletService extends VaadinServletService {

    public static final String PKG_PREFIX = "org.rapidpm"; // must come from external config

    public DDIVaadinServletService(VaadinServlet servlet, DeploymentConfiguration deploymentConfiguration)
            throws ServiceException {
        super(servlet, deploymentConfiguration);

        if (DI.isPkgPrefixActivated(PKG_PREFIX)) {
            //nothing....
            System.out.println(
                    "DI.getPkgPrefixActivatedTimestamp() = " + DI.getPkgPrefixActivatedTimestamp(PKG_PREFIX));
        } else {
            //      final VaadinServlet current = VaadinServlet.getCurrent();
            //      final ServletContext currentServletContext = current.getServletContext();
            System.out.println(
                    "DDIVaadinServletService-DI.activatePackages-LocalDateTime.now() = " + LocalDateTime.now());
            final ServletContext currentServletContext = servlet.getServletContext();
            final Collection<URL> urlsWebInfLib = ClasspathHelper.forWebInfLib(currentServletContext);

            final List<URL> urlList = urlsWebInfLib.stream().filter(u -> u.toString().contains("rapidpm-")) //reduce the jars to scann
                    .collect(Collectors.toList());
            DI.activatePackages(PKG_PREFIX, urlList); //reduce the classes to scann
            System.out.println(
                    "DDIVaadinServletService-DI.activatePackages-LocalDateTime.now() = " + LocalDateTime.now());
            //inject
        }

        addSessionInitListener(event -> event.getSession().addUIProvider(new DefaultUIProvider() {
            @Override
            public UI createInstance(final UICreateEvent event) {
                final UI instance = super.createInstance(event);
                //metrics - System.out.println("DDIVaadinServletService.getInstance-instance = " + instance);
                return DI.activateDI(instance);
            }
        }));

        addSessionDestroyListener(event -> {
            System.out.println("addSessionDestroyListener-event = " + event);
            //      VaadinSessionDestroyEvent sessionDestroyEvent = new VaadinSessionDestroyEvent(CDIUtil.getSessionId(event.getSession()));
            //      getBeanManager().fireEvent(sessionDestroyEvent);
        });
    }

    @Override
    public void handleRequest(VaadinRequest request, VaadinResponse response) throws ServiceException {
        super.handleRequest(request, response);
        System.out.println("handleRequest-request = " + request.getContextPath());
    }

    @PostConstruct
    public void initialize() {
        System.out.println("DDIVaadinServletService = initialize " + LocalDateTime.now());
    }
}