/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
package com.liferay.osgi.service.tracker.collections.map;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
/**
* @author Carlos Sierra Andrés
*/
public final class ServiceReferenceMapperFactory {
public static <K, S> ServiceReferenceMapper<K, S> create(
final BundleContext bundleContext,
final ServiceMapper<K, S> serviceMapper) {
return new ServiceReferenceMapper<K, S>() {
@Override
public void map(
ServiceReference<S> serviceReference, Emitter<K> emitter) {
S service = bundleContext.getService(serviceReference);
try {
serviceMapper.map(service, emitter);
}
finally {
bundleContext.ungetService(serviceReference);
}
}
};
}
}