Package org.apache.jackrabbit.oak.sling

Source Code of org.apache.jackrabbit.oak.sling.Activator

/*
* 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.jackrabbit.oak.sling;

import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

import javax.jcr.Repository;

import org.apache.jackrabbit.oak.api.ContentRepository;
import org.apache.jackrabbit.oak.osgi.OsgiWhiteboard;
import org.apache.jackrabbit.oak.security.SecurityProviderImpl;
import org.apache.jackrabbit.oak.spi.security.SecurityProvider;
import org.apache.sling.jcr.api.SlingRepository;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
import org.osgi.framework.ServiceRegistration;
import org.osgi.util.tracker.ServiceTracker;
import org.osgi.util.tracker.ServiceTrackerCustomizer;

public class Activator implements BundleActivator, ServiceTrackerCustomizer {

    private BundleContext context;

    private SecurityProvider securityProvider;

    private ServiceTracker tracker;

    private final Map<ServiceReference, ServiceRegistration> jcrRepositories =
            new HashMap<ServiceReference, ServiceRegistration>();

    private final Map<ServiceReference, ServiceRegistration> slingRepositories =
            new HashMap<ServiceReference, ServiceRegistration>();

    //-----------------------------------------------------< BundleActivator >--

    @Override
    public void start(BundleContext bundleContext) throws Exception {
        context = bundleContext;
        securityProvider = new SecurityProviderImpl(); // TODO
        tracker = new ServiceTracker(
                context, ContentRepository.class.getName(), this);
        tracker.open();
    }

    @Override
    public void stop(BundleContext bundleContext) throws Exception {
        tracker.close();
    }

    //--------------------------------------------< ServiceTrackerCustomizer >--

    @Override
    public Object addingService(ServiceReference reference) {
        Object service = context.getService(reference);
        if (service instanceof ContentRepository) {
            SlingRepository repository = new SlingRepositoryImpl(
                    (ContentRepository) service,
                    new OsgiWhiteboard(context),
                    securityProvider);
            jcrRepositories.put(reference, context.registerService(
                    Repository.class.getName(),
                    repository, new Properties()));
            slingRepositories.put(reference, context.registerService(
                    SlingRepository.class.getName(),
                    repository, new Properties()));
            return service;
        } else {
            context.ungetService(reference);
            return null;
        }
    }

    @Override
    public void modifiedService(ServiceReference reference, Object service) {
    }

    @Override
    public void removedService(ServiceReference reference, Object service) {
        slingRepositories.get(reference).unregister();
        jcrRepositories.get(reference).unregister();
        context.ungetService(reference);
    }

}
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