cross.osgi.CrossActivator.java Source code

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Here is the source code for cross.osgi.CrossActivator.java

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/*
 * Cross, common runtime object support system.
 * Copyright (C) 2008-2012, The authors of Cross. All rights reserved.
 *
 * Project website: http://maltcms.sf.net
 *
 * Cross may be used under the terms of either the
 *
 * GNU Lesser General Public License (LGPL)
 * http://www.gnu.org/licenses/lgpl.html
 *
 * or the
 *
 * Eclipse Public License (EPL)
 * http://www.eclipse.org/org/documents/epl-v10.php
 *
 * As a user/recipient of Cross, you may choose which license to receive the code
 * under. Certain files or entire directories may not be covered by this
 * dual license, but are subject to licenses compatible to both LGPL and EPL.
 * License exceptions are explicitly declared in all relevant files or in a
 * LICENSE file in the relevant directories.
 *
 * Cross 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. Please consult the relevant license documentation
 * for details.
 */
package cross.osgi;

import cross.Factory;
import cross.IFactory;
import cross.commands.fragments.AFragmentCommand;
import cross.io.IDataSource;
import cross.vocabulary.IControlledVocabularyProvider;
import java.util.Collection;
import java.util.Dictionary;
import java.util.LinkedList;
import java.util.Properties;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.configuration.PropertiesConfiguration;
import org.apache.log4j.PropertyConfigurator;
import org.openide.util.Lookup;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;

/**
 *
 * @author Nils Hoffmann
 */
@Slf4j
public class CrossActivator implements BundleActivator {

    private Collection<ServiceRegistration> services;

    @Override
    public void start(BundleContext context) throws Exception {
        setupLogging();
        Dictionary props = new Properties();
        IFactory factory = Factory.getInstance();
        PropertiesConfiguration cfg = new PropertiesConfiguration();
        factory.configure(cfg);
        services = new LinkedList<ServiceRegistration>();
        services.add(context.registerService(Factory.class.getName(), factory, props));
        Collection<? extends AFragmentCommand> commands = Lookup.getDefault().lookupAll(AFragmentCommand.class);
        log.info("Found {} fragment commands!", commands.size());
        for (AFragmentCommand cmd : commands) {
            services.add(context.registerService(AFragmentCommand.class.getName(), cmd, props));
        }
        Collection<? extends IDataSource> dataSources = Lookup.getDefault().lookupAll(IDataSource.class);
        log.info("Found {} data sources!", dataSources.size());
        for (IDataSource ds : dataSources) {
            services.add(context.registerService(IDataSource.class.getName(), ds, props));
        }
        Collection<? extends IControlledVocabularyProvider> cvProviders = Lookup.getDefault()
                .lookupAll(IControlledVocabularyProvider.class);
        log.info("Found {} cvProviders!", cvProviders.size());
        for (IControlledVocabularyProvider icv : cvProviders) {
            services.add(context.registerService(IControlledVocabularyProvider.class.getName(), icv, props));
        }
    }

    protected void setupLogging() {
        Properties props = new Properties();
        props.setProperty("log4j.rootLogger", "INFO, A1");
        props.setProperty("log4j.appender.A1", "org.apache.log4j.ConsoleAppender");
        props.setProperty("log4j.appender.A1.layout", "org.apache.log4j.PatternLayout");
        props.setProperty("log4j.appender.A1.layout.ConversionPattern", "%m%n");
        props.setProperty("log4j.category.cross", "WARN");
        props.setProperty("log4j.category.cross.datastructures.pipeline", "INFO");
        props.setProperty("log4j.category.maltcms.commands.fragments", "INFO");
        props.setProperty("log4j.category.maltcms.commands.fragments2d", "INFO");
        props.setProperty("log4j.category.maltcms", "WARN");
        props.setProperty("log4j.category.ucar", "WARN");
        props.setProperty("log4j.category.smueller", "WARN");
        props.setProperty("log4j.category.org.springframework.beans.factory", "WARN");
        PropertyConfigurator.configure(props);
    }

    @Override
    public void stop(BundleContext context) throws Exception {
        log.info("Unregistering services!");
        for (ServiceRegistration sr : services) {
            sr.unregister();
        }
    }
}