com.liferay.notification.internal.term.provider.NotificationTermProviderRegistryImpl Maven / Gradle / Ivy

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/**
 * SPDX-FileCopyrightText: (c) 2024 Liferay, Inc. https://liferay.com
 * SPDX-License-Identifier: LGPL-2.1-or-later OR LicenseRef-Liferay-DXP-EULA-2.0.0-2023-06
 */

package com.liferay.notification.internal.term.provider;

import com.liferay.notification.term.provider.NotificationTermProvider;
import com.liferay.notification.term.provider.NotificationTermProviderRegistry;
import com.liferay.osgi.service.tracker.collections.map.ServiceTrackerMap;
import com.liferay.osgi.service.tracker.collections.map.ServiceTrackerMapFactory;

import java.util.Collections;
import java.util.List;

import org.osgi.framework.BundleContext;
import org.osgi.service.component.annotations.Activate;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Deactivate;

/**
 * @author Luca Pellizzon
 */
@Component(service = NotificationTermProviderRegistry.class)
public class NotificationTermProviderRegistryImpl
	implements NotificationTermProviderRegistry {

	@Override
	public List getNotificationTermProviders(
		String className) {

		List notificationTermProviders =
			_serviceTrackerMap.getService(className);

		if (notificationTermProviders == null) {
			return Collections.emptyList();
		}

		return notificationTermProviders;
	}

	@Activate
	protected void activate(BundleContext bundleContext) {
		_serviceTrackerMap = ServiceTrackerMapFactory.openMultiValueMap(
			bundleContext, NotificationTermProvider.class, "class.name");
	}

	@Deactivate
	protected void deactivate() {
		_serviceTrackerMap.close();
	}

	private ServiceTrackerMap>
		_serviceTrackerMap;

}