com.liferay.opensocial.admin.lar.AdminPortletDataHandlerImpl.java Source code

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Here is the source code for com.liferay.opensocial.admin.lar.AdminPortletDataHandlerImpl.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.opensocial.admin.lar;

import com.liferay.opensocial.NoSuchGadgetException;
import com.liferay.opensocial.model.Gadget;
import com.liferay.opensocial.service.GadgetLocalServiceUtil;
import com.liferay.portal.kernel.dao.orm.QueryUtil;
import com.liferay.portal.kernel.lar.BasePortletDataHandler;
import com.liferay.portal.kernel.lar.PortletDataContext;
import com.liferay.portal.kernel.util.StringBundler;
import com.liferay.portal.kernel.xml.Document;
import com.liferay.portal.kernel.xml.Element;
import com.liferay.portal.kernel.xml.SAXReaderUtil;
import com.liferay.portal.service.ServiceContext;

import java.util.List;

import javax.portlet.PortletPreferences;

/**
 * @author Michael C. Han
 */
public class AdminPortletDataHandlerImpl extends BasePortletDataHandler {

    @Override
    public boolean isPublishToLiveByDefault() {
        return _PUBLISH_TO_LIVE_BY_DEFAULT;
    }

    @Override
    protected PortletPreferences doDeleteData(PortletDataContext portletDataContext, String portletId,
            PortletPreferences portletPreferences) throws Exception {

        List<Gadget> gadgets = GadgetLocalServiceUtil.getGadgets(portletDataContext.getCompanyId(),
                QueryUtil.ALL_POS, QueryUtil.ALL_POS);

        for (Gadget gadget : gadgets) {
            GadgetLocalServiceUtil.deleteGadget(gadget);
        }

        return null;
    }

    @Override
    protected String doExportData(PortletDataContext portletDataContext, String portletId,
            PortletPreferences portletPreferences) throws Exception {

        Document document = SAXReaderUtil.createDocument();

        Element rootElement = document.addElement("opensocial-data");

        Element gadgetsElement = rootElement.addElement("gadgets");

        List<Gadget> gadgets = GadgetLocalServiceUtil.getGadgets(portletDataContext.getCompanyId(),
                QueryUtil.ALL_POS, QueryUtil.ALL_POS);

        for (Gadget gadget : gadgets) {
            exportGadget(portletDataContext, gadgetsElement, gadget);
        }

        return document.formattedString();
    }

    @Override
    protected PortletPreferences doImportData(PortletDataContext portletDataContext, String portletId,
            PortletPreferences portletPreferences, String data) throws Exception {

        Document document = SAXReaderUtil.read(data);

        Element rootElement = document.getRootElement();

        Element gadgetsElement = rootElement.element("gadgets");

        for (Element gadgetElement : gadgetsElement.elements("gadget")) {
            String gadgetPath = gadgetElement.attributeValue("path");

            if (!portletDataContext.isPathNotProcessed(gadgetPath)) {
                continue;
            }

            Gadget gadget = (Gadget) portletDataContext.getZipEntryAsObject(gadgetPath);

            importGadget(portletDataContext, gadgetElement, gadget);
        }

        return null;
    }

    protected void exportGadget(PortletDataContext portletDataContext, Element gadgetsElement, Gadget gadget)
            throws Exception {

        String path = getGadgetPath(portletDataContext, gadget);

        if (!portletDataContext.isPathNotProcessed(path)) {
            return;
        }

        Element gadgetElement = gadgetsElement.addElement("gadget");

        portletDataContext.addClassedModel(gadgetElement, path, gadget, _NAMESPACE);
    }

    protected String getGadgetPath(PortletDataContext portletDataContext, Gadget gadget) {

        StringBundler sb = new StringBundler(4);

        sb.append(portletDataContext.getPortletPath(_PORTLET_KEY));
        sb.append("/gadgets/");
        sb.append(gadget.getUuid());
        sb.append(".xml");

        return sb.toString();
    }

    protected void importGadget(PortletDataContext portletDataContext, Element gadgetElement, Gadget gadget)
            throws Exception {

        Gadget importedGadget = null;

        try {
            importedGadget = GadgetLocalServiceUtil.getGadget(gadget.getUuid());

            importedGadget.setName(gadget.getName());
            importedGadget.setUrl(gadget.getUrl());
            importedGadget.setPortletCategoryNames(gadget.getPortletCategoryNames());

            GadgetLocalServiceUtil.updateGadget(importedGadget, false);
        } catch (NoSuchGadgetException nsge) {
            ServiceContext serviceContext = portletDataContext.createServiceContext(gadgetElement, gadget,
                    _NAMESPACE);

            serviceContext.setUuid(gadget.getUuid());

            GadgetLocalServiceUtil.addGadget(portletDataContext.getCompanyId(), gadget.getUrl(),
                    gadget.getPortletCategoryNames(), serviceContext);
        }
    }

    private static final String _NAMESPACE = "opensocial";

    private static final String _PORTLET_KEY = "1_WAR_opensocialportlet";

    private static final boolean _PUBLISH_TO_LIVE_BY_DEFAULT = true;

}