package org.simantics.pythonlink;

import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class Activator implements BundleActivator {

	private static final Logger LOGGER = LoggerFactory.getLogger(Activator.class);
	private static BundleContext context;

	private static boolean loaded = false;
	
	static BundleContext getContext() {
		return context;
	}

	/*
	 * (non-Javadoc)
	 * @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext)
	 */
	public void start(BundleContext bundleContext) throws Exception {
		Activator.context = bundleContext;
		try {
			System.loadLibrary("jnipython");
			loaded = true;
		} catch (Exception e) {
			LOGGER.error("Loading of jnipython.dll failed", e);
		}
	}
	
	public static boolean isPythonLoaded() {
		return loaded;
	}

	/*
	 * (non-Javadoc)
	 * @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext)
	 */
	public void stop(BundleContext bundleContext) throws Exception {
		Activator.context = null;
	}

}