com.liferay.journal.web.internal.portlet.action.ExportArticleMVCResourceCommand.java Source code

Introduction

Here is the source code for com.liferay.journal.web.internal.portlet.action.ExportArticleMVCResourceCommand.java

Source

/**
 * 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.journal.web.internal.portlet.action;

import com.liferay.journal.constants.JournalPortletKeys;
import com.liferay.journal.exception.ExportArticleTargetExtensionException;
import com.liferay.journal.web.util.ExportArticleUtil;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.model.Layout;
import com.liferay.portal.kernel.portlet.PortletPreferencesFactoryUtil;
import com.liferay.portal.kernel.portlet.bridges.mvc.BaseMVCResourceCommand;
import com.liferay.portal.kernel.portlet.bridges.mvc.MVCResourceCommand;
import com.liferay.portal.kernel.service.LayoutLocalService;
import com.liferay.portal.kernel.util.ArrayUtil;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.Portal;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.util.Validator;

import javax.portlet.PortletPreferences;
import javax.portlet.ResourceRequest;
import javax.portlet.ResourceResponse;

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

/**
 * @author Bruno Farache
 * @author Eduardo Garcia
 */
@Component(immediate = true, property = { "javax.portlet.name=" + JournalPortletKeys.JOURNAL,
        "mvc.command.name=exportArticle" }, service = MVCResourceCommand.class)
public class ExportArticleMVCResourceCommand extends BaseMVCResourceCommand {

    @Override
    protected void doServeResource(ResourceRequest resourceRequest, ResourceResponse resourceResponse)
            throws Exception {

        try {
            String targetExtension = ParamUtil.getString(resourceRequest, "targetExtension");

            PortletPreferences portletPreferences = resourceRequest.getPreferences();

            String porletResource = ParamUtil.getString(resourceRequest, "portletResource");

            if (Validator.isNotNull(porletResource)) {
                long plid = ParamUtil.getLong(resourceRequest, "plid");

                Layout layout = _layoutLocalService.fetchLayout(plid);

                if (layout != null) {
                    portletPreferences = PortletPreferencesFactoryUtil.getExistingPortletSetup(layout,
                            porletResource);
                }
            }

            String[] allowedExtensions = portletPreferences.getValues("extensions", null);

            if (ArrayUtil.isNotEmpty(allowedExtensions) && (allowedExtensions.length == 1)) {

                allowedExtensions = StringUtil.split(portletPreferences.getValue("extensions", null));
            }

            if (ArrayUtil.contains(allowedExtensions, targetExtension, true)) {
                _exportArticleUtil.sendFile(targetExtension, resourceRequest, resourceResponse);
            } else {
                throw new ExportArticleTargetExtensionException(
                        "Target extension " + targetExtension + " is not allowed");
            }
        } catch (Exception e) {
            _log.error("Unable to export article", e);

            _portal.sendError(e, _portal.getHttpServletRequest(resourceRequest),
                    _portal.getHttpServletResponse(resourceResponse));
        }
    }

    @Reference(unbind = "-")
    protected void setExportArticleUtil(ExportArticleUtil exportArticleUtil) {
        _exportArticleUtil = exportArticleUtil;
    }

    @Reference(unbind = "-")
    protected void setLayoutLocalService(LayoutLocalService layoutLocalService) {

        _layoutLocalService = layoutLocalService;
    }

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

    private ExportArticleUtil _exportArticleUtil;
    private LayoutLocalService _layoutLocalService;

    @Reference
    private Portal _portal;

}