Activator.java

package org.opennaas.extensions.router.capability.topologydiscovery;

/*
 * #%L
 * OpenNaaS :: Router :: Topology Discovery capability
 * %%
 * Copyright (C) 2007 - 2014 Fundació Privada i2CAT, Internet i Innovació a Catalunya
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

import java.util.Properties;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.opennaas.core.resources.AbstractActivator;
import org.opennaas.core.resources.ActivatorException;
import org.opennaas.core.resources.action.IActionSet;
import org.opennaas.core.resources.descriptor.ResourceDescriptorConstants;
import org.opennaas.core.resources.protocol.IProtocolManager;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.Filter;
import org.osgi.framework.InvalidSyntaxException;

/**
 * @author Adrian Rosello Rey (i2CAT)
 */
public class Activator extends AbstractActivator implements BundleActivator {

	private static BundleContext	context;

	static Log						log	= LogFactory.getLog(Activator.class);

	/**
	 * Get the Bunble Context
	 * 
	 * @return BundleContext
	 */
	public static BundleContext getContext() {
		return context;
	}

	/**
	 * Initialize the context
	 */
	@Override
	public void start(BundleContext context) throws Exception {
		Activator.context = context;
	}

	/**
	 *
	 */
	@Override
	public void stop(BundleContext context) throws Exception {

	}

	public static IActionSet getTopologyDiscoveryActionSetService(String name, String version) throws ActivatorException {
		try {
			log.debug("Calling TopologyDiscoveryActionSetService");
			return (IActionSet) getServiceFromRegistry(context,
					createFilterTopologyDiscoveryActionSet(name, version));
		} catch (InvalidSyntaxException e) {
			throw new ActivatorException(e);
		}
	}

	private static Filter createFilterTopologyDiscoveryActionSet(String name, String version)
			throws InvalidSyntaxException {

		Properties properties = new Properties();
		properties.setProperty(ResourceDescriptorConstants.ACTION_CAPABILITY,
				"topologydiscovery");
		properties.setProperty(ResourceDescriptorConstants.ACTION_NAME, name);
		properties.setProperty(ResourceDescriptorConstants.ACTION_VERSION,
				version);
		return createServiceFilter(IActionSet.class.getName(), properties);
	}

	public static IProtocolManager getProtocolManagerService() throws ActivatorException {
		log.debug("Calling ProtocolManager service");
		return (IProtocolManager) getServiceFromRegistry(context, IProtocolManager.class.getName());
	}
}