com.liferay.commerce.payment.internal.method.CommercePaymentMethodRegistryImpl Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of com.liferay.commerce.payment.service

Liferay Commerce Payment Service

There is a newer version: 4.0.81

/**
 * 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.commerce.payment.internal.method;

import com.liferay.commerce.payment.method.CommercePaymentMethod;
import com.liferay.commerce.payment.method.CommercePaymentMethodRegistry;
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.HashMap;
import java.util.Map;

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(
	enabled = false, immediate = true,
	service = CommercePaymentMethodRegistry.class
)
public class CommercePaymentMethodRegistryImpl
	implements CommercePaymentMethodRegistry {

	@Override
	public CommercePaymentMethod getCommercePaymentMethod(String key) {
		return _serviceTrackerMap.getService(key);
	}

	@Override
	public Map getCommercePaymentMethods() {
		Map commercePaymentMethodGroupRelMap =
			new HashMap<>();

		for (String key : _serviceTrackerMap.keySet()) {
			commercePaymentMethodGroupRelMap.put(
				key, _serviceTrackerMap.getService(key));
		}

		return Collections.unmodifiableMap(commercePaymentMethodGroupRelMap);
	}

	@Activate
	protected void activate(BundleContext bundleContext) {
		_serviceTrackerMap = ServiceTrackerMapFactory.openSingleValueMap(
			bundleContext, CommercePaymentMethod.class, null,
			(serviceReference, emitter) -> {
				CommercePaymentMethod commercePaymentMethod =
					bundleContext.getService(serviceReference);

				try {
					if (commercePaymentMethod.getKey() != null) {
						emitter.emit(commercePaymentMethod.getKey());
					}
				}
				finally {
					bundleContext.ungetService(serviceReference);
				}
			});
	}

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

	private ServiceTrackerMap _serviceTrackerMap;

}