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/*-
 * ============LICENSE_START=======================================================
 * openECOMP : SDN-C
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights
 * 							reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */

package org.openecomp.sdnc.sli.resource.mdsal;

import java.io.File;
import java.io.FileInputStream;
import java.util.LinkedList;
import java.util.Properties;

import org.openecomp.sdnc.sli.ConfigurationException;
import org.openecomp.sdnc.sli.SvcLogicResource;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class MdsalResourceActivator implements BundleActivator {



	private static final String SDNC_CONFIG_DIR = "SDNC_CONFIG_DIR";

	public LinkedList<ServiceRegistration> registrations = new LinkedList<ServiceRegistration>();

	private static final Logger LOG = LoggerFactory
			.getLogger(MdsalResourceActivator.class);

	@Override
	public void start(BundleContext ctx) throws Exception {

		// Read properties
		Properties props = new Properties();

		String propDir = System.getenv(SDNC_CONFIG_DIR);
		if (propDir == null) {

			propDir = "/opt/sdnc/data/properties";
		}
		String propPath = propDir + "/mdsal-resource.properties";


		File propFile = new File(propPath);

		if (!propFile.exists()) {

			throw new ConfigurationException(
					"Missing configuration properties file : "
							+ propFile);
		}
		try {

			props.load(new FileInputStream(propFile));
		} catch (Exception e) {
			throw new ConfigurationException(
					"Could not load properties file " + propPath, e);

		}

		String sdncUser = props.getProperty("org.openecomp.sdnc.sli.resource.mdsal.sdnc-user", "admin");
		String sdncPasswd = props.getProperty("org.openecomp.sdnc.sli.resource.mdsal.sdnc-passwd", "admin");
		String sdncHost = props.getProperty("org.openecomp.sdnc.sli.resource.mdsal.sdnc-host", "localhost");
		String sdncProtocol = props.getProperty("org.openecomp.sdnc.sli.resource.mdsal.sdnc-protocol", "https");
		String sdncPort = props.getProperty("org.openecomp.sdnc.sli.resource.mdsal.sdnc-port", "8443");

		// Advertise MD-SAL resource adaptors
		SvcLogicResource impl = new ConfigResource(sdncProtocol, sdncHost, sdncPort, sdncUser, sdncPasswd);

		LOG.debug("Registering MdsalResource service "+impl.getClass().getName());
		registrations.add(ctx.registerService(impl.getClass().getName(), impl, null));

		impl = new OperationalResource(sdncProtocol, sdncHost, sdncPort, sdncUser, sdncPasswd);

		LOG.debug("Registering MdsalResource service "+impl.getClass().getName());
		registrations.add(ctx.registerService(impl.getClass().getName(), impl, null));
	}

	@Override
	public void stop(BundleContext ctx) throws Exception {

		for (ServiceRegistration registration : registrations)
		{
			registration.unregister();
		}
	}

}