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/*
 * Copyright 2004-2013 H2 Group. Multiple-Licensed under the H2 License,
 * Version 1.0, and under the Eclipse Public License, Version 1.0
 * (http://h2database.com/html/license.html).
 * Initial Developer: H2 Group
 */
package org.glowroot.shaded.h2.util;

import java.util.Properties;
import org.glowroot.shaded.h2.engine.Constants;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.service.jdbc.DataSourceFactory;

/**
 * The driver activator loads the H2 driver when starting the bundle. The driver
 * is unloaded when stopping the bundle.
 */
public class DbDriverActivator implements BundleActivator {

    /**
     * Start the bundle. This will load the database driver and register the
     * DataSourceFactory service.
     *
     * @param bundleContext the bundle context
     */
    @Override
    public void start(BundleContext bundleContext) {
        org.glowroot.shaded.h2.Driver driver = org.glowroot.shaded.h2.Driver.load();
        Properties properties = new Properties();
        properties.put(
                DataSourceFactory.OSGI_JDBC_DRIVER_CLASS,
                org.glowroot.shaded.h2.Driver.class.getName());
        properties.put(
                DataSourceFactory.OSGI_JDBC_DRIVER_NAME,
                "H2 JDBC Driver");
        properties.put(
                DataSourceFactory.OSGI_JDBC_DRIVER_VERSION,
                Constants.getFullVersion());
        bundleContext.registerService(
                DataSourceFactory.class.getName(),
                new OsgiDataSourceFactory(driver), properties);
    }

    /**
     * Stop the bundle. This will unload the database driver. The
     * DataSourceFactory service is implicitly un-registered by the OSGi
     * framework.
     *
     * @param bundleContext the bundle context
     */
    @Override
    public void stop(BundleContext bundleContext) {
        org.glowroot.shaded.h2.Driver.unload();
    }

}