PortletDataHandlerProviderImpl.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.exportimport.internal.portlet.data.handler.provider;

import com.liferay.exportimport.kernel.lar.PortletDataHandler;
import com.liferay.exportimport.portlet.data.handler.provider.PortletDataHandlerProvider;
import com.liferay.portal.kernel.model.Portlet;
import com.liferay.portal.kernel.service.PortletLocalService;
import com.liferay.portal.kernel.util.Validator;

import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;

/**
 * @author Mate Thurzo
 */
@Component(immediate = true, service = PortletDataHandlerProvider.class)
public class PortletDataHandlerProviderImpl
	implements PortletDataHandlerProvider {

	@Override
	public PortletDataHandler provide(long companyId, String portletId) {
		if ((companyId <= 0) || Validator.isNull(portletId)) {
			return null;
		}

		Portlet portlet = _portletLocalService.getPortletById(
			companyId, portletId);

		return doProvide(portlet);
	}

	@Override
	public PortletDataHandler provide(Portlet portlet) {
		return doProvide(portlet);
	}

	@Override
	public PortletDataHandler provide(String portletId) {
		if (Validator.isNull(portletId)) {
			return null;
		}

		Portlet portlet = _portletLocalService.getPortletById(portletId);

		return doProvide(portlet);
	}

	protected PortletDataHandler doProvide(Portlet portlet) {
		if ((portlet == null) || !portlet.isActive() ||
			portlet.isUndeployedPortlet()) {

			return null;
		}

		try {
			return portlet.getPortletDataHandlerInstance();
		}
		catch (Exception e) {
			return null;
		}
	}

	@Reference
	private PortletLocalService _portletLocalService;

}