ServiceLocator.java

/**
 * 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.portal.template;

import aQute.bnd.annotation.ProviderType;

import com.liferay.portal.bean.BeanLocatorImpl;
import com.liferay.portal.kernel.bean.PortalBeanLocatorUtil;
import com.liferay.portal.kernel.bean.PortletBeanLocatorUtil;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.registry.Registry;
import com.liferay.registry.RegistryUtil;

/**
 * @author Brian Wing Shun Chan
 */
@ProviderType
public class ServiceLocator {

	public static ServiceLocator getInstance() {
		return _instance;
	}

	public Object findService(String serviceName) {
		Object bean = null;

		try {
			Registry registry = RegistryUtil.getRegistry();

			bean = registry.getService(serviceName);

			if (bean == null) {
				bean = PortalBeanLocatorUtil.locate(
					_getServiceName(serviceName));
			}
		}
		catch (Exception e) {
			_log.error(e, e);
		}

		return bean;
	}

	public Object findService(String servletContextName, String serviceName) {
		Object bean = null;

		try {
			bean = PortletBeanLocatorUtil.locate(
				servletContextName, _getServiceName(serviceName));
		}
		catch (Exception e) {
			_log.error(e, e);
		}

		return bean;
	}

	private ServiceLocator() {
	}

	private String _getServiceName(String serviceName) {
		if (!serviceName.endsWith(BeanLocatorImpl.VELOCITY_SUFFIX)) {
			serviceName += BeanLocatorImpl.VELOCITY_SUFFIX;
		}

		return serviceName;
	}

	private static final Log _log = LogFactoryUtil.getLog(ServiceLocator.class);

	private static final ServiceLocator _instance = new ServiceLocator();

}