WebApp.java

/*
 * Carrot2 project.
 *
 * Copyright (C) 2002-2016, Dawid Weiss, Stanisław Osiński.
 * All rights reserved.
 *
 * Refer to the full license file "carrot2.LICENSE"
 * in the root folder of the repository checkout or at:
 * http://www.carrot2.org/carrot2.LICENSE
 */

package org.carrot2.webapp;

import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.nio.SelectChannelConnector;
import org.eclipse.jetty.util.component.AbstractLifeCycle;
import org.eclipse.jetty.util.component.LifeCycle;
import org.eclipse.jetty.webapp.WebAppContext;
import org.slf4j.LoggerFactory;

public class WebApp
{
    Server server;

    void start(final int port) throws Exception
    {
        server = new Server();
        SelectChannelConnector connector = new SelectChannelConnector();
        connector.setPort(port);
        connector.setReuseAddress(false);
        connector.setAcceptQueueSize(20);
        server.addConnector(connector);

        WebAppContext wac = new WebAppContext();
        wac.setClassLoader(Thread.currentThread().getContextClassLoader());
        wac.setContextPath("/");
        wac.setWar("web");
        wac.setDefaultsDescriptor("etc/webdefault.xml");
        wac.addLifeCycleListener(new AbstractLifeCycle.AbstractLifeCycleListener()
        {
            @Override
            public void lifeCycleStarting(LifeCycle arg0)
            {
            }

            @Override
            public void lifeCycleStarted(LifeCycle arg0)
            {
                LoggerFactory.getLogger("webapp")
                    .info("Started at port: " + port);
            }
        });

        server.setHandler(wac);
        server.setStopAtShutdown(true);

        // Start the http server.
        try
        {
            server.start();
        }
        catch (Exception e)
        {
            stop();
            throw e;
        }
    }

    void stop()
    {
        if (server != null)
        {
            try
            {
                server.stop();
            }
            catch (Exception e)
            {
                throw new RuntimeException(e);
            }
        }
    }

    
    /**
     * Command-line entry point.
     */
    public static void main(String [] args) throws Exception
    {
        /*
         * Allow context classloader resource loading.
         */
        System.setProperty(QueryProcessorServlet.ENABLE_CLASSPATH_LOCATOR, "true");

        new WebApp().start(8081);
    }
}