com.liferay.portlet.calendar.action.ImportEventsAction.java Source code

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Here is the source code for com.liferay.portlet.calendar.action.ImportEventsAction.java

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/**
 * Copyright (c) 2000-2012 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.portlet.calendar.action;

import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.servlet.SessionErrors;
import com.liferay.portal.kernel.upload.UploadPortletRequest;
import com.liferay.portal.kernel.util.CalendarUtil;
import com.liferay.portal.kernel.util.FileUtil;
import com.liferay.portal.kernel.util.StreamUtil;
import com.liferay.portal.service.ServiceContext;
import com.liferay.portal.service.ServiceContextFactory;
import com.liferay.portal.struts.PortletAction;
import com.liferay.portal.util.PortalUtil;
import com.liferay.portlet.calendar.ImportEventsException;
import com.liferay.portlet.calendar.model.CalEvent;
import com.liferay.portlet.calendar.service.CalEventServiceUtil;

import java.io.InputStream;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletConfig;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;

/**
 * @author Bruno Farache
 * @author Juan Fernndez
 */
public class ImportEventsAction extends PortletAction {

    @Override
    public void processAction(ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
            ActionRequest actionRequest, ActionResponse actionResponse) throws Exception {

        InputStream inputStream = null;

        try {
            UploadPortletRequest uploadPortletRequest = PortalUtil.getUploadPortletRequest(actionRequest);

            ServiceContext serviceContext = ServiceContextFactory.getInstance(CalEvent.class.getName(),
                    actionRequest);

            String fileName = uploadPortletRequest.getFileName("file");

            validate(fileName);

            inputStream = uploadPortletRequest.getFileAsStream("file");

            CalEventServiceUtil.importICal4j(serviceContext.getScopeGroupId(), inputStream);

            sendRedirect(actionRequest, actionResponse);
        } catch (Exception e) {
            if (!(e instanceof ImportEventsException)) {
                _log.error(e, e);
            }

            SessionErrors.add(actionRequest, e.getClass().getName());

            setForward(actionRequest, "portlet.calendar.error");
        } finally {
            StreamUtil.cleanUp(inputStream);
        }
    }

    private void validate(String fileName) throws ImportEventsException {
        String fileNameExtension = FileUtil.getExtension(fileName);

        if (!fileNameExtension.equals(CalendarUtil.ICAL_EXTENSION)) {
            throw new ImportEventsException();
        }
    }

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

}