pl.bristleback.server.bristle.conf.runner.ServerInstanceResolver.java Source code

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Here is the source code for pl.bristleback.server.bristle.conf.runner.ServerInstanceResolver.java

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/*
 * Bristleback Websocket Framework - Copyright (c) 2010-2013 http://bristleback.pl
 * ---------------------------------------------------------------------------
 * This program 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 3 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.
 * You should have received a copy of the GNU Lesser General Public License along
 * with this program; if not, see <http://www.gnu.org/licenses/lgpl.html>.
 * ---------------------------------------------------------------------------
 */

package pl.bristleback.server.bristle.conf.runner;

import org.apache.log4j.BasicConfigurator;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import pl.bristleback.server.bristle.api.BristlebackConfig;
import pl.bristleback.server.bristle.api.InitialConfigurationResolver;
import pl.bristleback.server.bristle.app.BristlebackServerInstance;
import pl.bristleback.server.bristle.conf.InitialConfiguration;
import pl.bristleback.server.bristle.conf.resolver.BristlebackBeanFactoryPostProcessor;
import pl.bristleback.server.bristle.conf.resolver.SpringConfigurationResolver;
import pl.bristleback.server.bristle.integration.spring.BristleSpringIntegration;

/**
 * This component resolves Bristleback Server instance and initializes internal Bristleback Spring context.
 * <p/>
 * <p/>
 * Created on: 2012-05-01 16:47:44 <br/>
 *
 * @author Wojciech Niemiec
 */
public class ServerInstanceResolver {

    private static Logger log = Logger.getLogger(ServerInstanceResolver.class.getName());

    private InitialConfigurationResolver initialConfigurationResolver;

    private ApplicationContext actualApplicationContext;

    public ServerInstanceResolver(InitialConfigurationResolver initialConfigurationResolver,
            ApplicationContext actualApplicationContext) {
        this.initialConfigurationResolver = initialConfigurationResolver;
        this.actualApplicationContext = actualApplicationContext;
    }

    public BristlebackServerInstance resolverServerInstance() {
        InitialConfiguration initialConfiguration = initialConfigurationResolver.resolveConfiguration();
        startLogger(initialConfiguration);

        AnnotationConfigApplicationContext frameworkContext = new AnnotationConfigApplicationContext();
        BristleSpringIntegration springIntegration = new BristleSpringIntegration(actualApplicationContext,
                frameworkContext);
        BristlebackBeanFactoryPostProcessor bristlebackPostProcessor = new BristlebackBeanFactoryPostProcessor(
                initialConfiguration, springIntegration);
        frameworkContext.addBeanFactoryPostProcessor(bristlebackPostProcessor);
        frameworkContext.register(SpringConfigurationResolver.class);
        frameworkContext.scan(InitialConfiguration.SYSTEM_BASE_PACKAGES);
        frameworkContext.refresh();

        BristlebackConfig configuration = frameworkContext.getBean("bristlebackConfigurationFinal",
                BristlebackConfig.class);
        return new BristlebackServerInstance(configuration);
    }

    private void startLogger(InitialConfiguration initialConfiguration) {
        if (initialConfiguration.getLoggingLevel() != null) {
            BasicConfigurator.configure();
            Logger.getRootLogger().setLevel(initialConfiguration.getLoggingLevel());
            Logger.getLogger("org.apache").setLevel(initialConfiguration.getLoggingLevel());
            if (log.isInfoEnabled()) {
                Logger.getLogger("org.springframework.beans.factory").setLevel(Level.WARN);
                Logger.getLogger("org.springframework.context.support").setLevel(Level.WARN);
                Logger.getLogger("org.springframework.context.annotation").setLevel(Level.WARN);
                Logger.getLogger("org.springframework.core.io.support").setLevel(Level.WARN);
            }
        }
    }
}