/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */
package org.apache.sling.ide.test.impl;

import org.apache.sling.ide.artifacts.EmbeddedArtifactLocator;
import org.apache.sling.ide.eclipse.core.ServiceUtil;
import org.apache.sling.ide.osgi.OsgiClientFactory;
import org.apache.sling.ide.serialization.SerializationManager;
import org.eclipse.core.runtime.Plugin;
import org.osgi.framework.BundleContext;
import org.osgi.util.tracker.ServiceTracker;

public class Activator extends Plugin {

    private static Activator INSTANCE;

    private ServiceTracker<EmbeddedArtifactLocator, EmbeddedArtifactLocator> artifactLocator;

    private ServiceTracker<OsgiClientFactory, OsgiClientFactory> osgiClientFactory;

    private ServiceTracker<SerializationManager, SerializationManager> serializationManager;

    @Override
    public void start(BundleContext context) throws Exception {
        super.start(context);

        artifactLocator = new ServiceTracker<>(context, EmbeddedArtifactLocator.class, null);
        artifactLocator.open();

        osgiClientFactory = new ServiceTracker<>(context, OsgiClientFactory.class, null);
        osgiClientFactory.open();

        serializationManager = new ServiceTracker<>(context, SerializationManager.class, null);
        serializationManager.open();

        INSTANCE = this;
    }

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

        artifactLocator.close();
        osgiClientFactory.close();
        serializationManager.close();

        INSTANCE = null;

        super.stop(context);
    }

    public static Activator getDefault() {
        return INSTANCE;
    }

    public EmbeddedArtifactLocator getArtifactLocator() {

        return ServiceUtil.getNotNull(artifactLocator);
    }

    public OsgiClientFactory getOsgiClientFactory() {

        return ServiceUtil.getNotNull(osgiClientFactory);
    }

    public SerializationManager getSerializationManager() {

        return ServiceUtil.getNotNull(serializationManager);
    }
}