com.liferay.wiki.web.internal.portlet.action.RSSAction.java Source code

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Here is the source code for com.liferay.wiki.web.internal.portlet.action.RSSAction.java

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

import com.liferay.portal.kernel.dao.search.SearchContainer;
import com.liferay.portal.kernel.struts.StrutsAction;
import com.liferay.portal.kernel.theme.ThemeDisplay;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.Portal;
import com.liferay.portal.kernel.util.PortalUtil;
import com.liferay.portal.kernel.util.RSSUtil;
import com.liferay.portal.kernel.util.StringBundler;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portal.struts.BaseRSSStrutsAction;
import com.liferay.wiki.configuration.WikiGroupServiceOverriddenConfiguration;
import com.liferay.wiki.constants.WikiPortletKeys;
import com.liferay.wiki.service.WikiPageService;
import com.liferay.wiki.util.WikiUtil;
import com.liferay.wiki.web.internal.display.context.util.WikiRequestHelper;

import java.util.Locale;

import javax.servlet.http.HttpServletRequest;

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

/**
 * @author Jorge Ferrer
 */
@Component(property = "path=/wiki/rss", service = StrutsAction.class)
public class RSSAction extends BaseRSSStrutsAction {

    @Override
    protected byte[] getRSS(HttpServletRequest request) throws Exception {
        ThemeDisplay themeDisplay = (ThemeDisplay) request.getAttribute(WebKeys.THEME_DISPLAY);

        long nodeId = ParamUtil.getLong(request, "nodeId");
        String title = ParamUtil.getString(request, "title");
        int max = ParamUtil.getInteger(request, "max", SearchContainer.DEFAULT_DELTA);
        String type = ParamUtil.getString(request, "type", RSSUtil.FORMAT_DEFAULT);
        double version = ParamUtil.getDouble(request, "version", RSSUtil.VERSION_DEFAULT);
        String displayStyle = ParamUtil.getString(request, "displayStyle", RSSUtil.DISPLAY_STYLE_DEFAULT);

        String layoutFullURL = PortalUtil.getLayoutFullURL(themeDisplay.getScopeGroupId(), WikiPortletKeys.WIKI);

        StringBundler sb = new StringBundler(4);

        sb.append(layoutFullURL);
        sb.append(Portal.FRIENDLY_URL_SEPARATOR);
        sb.append("wiki/");
        sb.append(nodeId);

        String feedURL = sb.toString();

        String entryURL = feedURL + StringPool.SLASH + title;

        Locale locale = themeDisplay.getLocale();

        String rss = StringPool.BLANK;

        if (nodeId > 0) {
            String attachmentURLPrefix = WikiUtil.getAttachmentURLPrefix(themeDisplay.getPathMain(),
                    themeDisplay.getPlid(), nodeId, title);

            if (Validator.isNotNull(title)) {
                rss = _wikiPageService.getPagesRSS(nodeId, title, max, type, version, displayStyle, feedURL,
                        entryURL, attachmentURLPrefix, locale);
            } else {
                rss = _wikiPageService.getNodePagesRSS(nodeId, max, type, version, displayStyle, feedURL, entryURL,
                        attachmentURLPrefix);
            }
        }

        return rss.getBytes(StringPool.UTF8);
    }

    @Override
    protected boolean isRSSFeedsEnabled(HttpServletRequest request) throws Exception {

        WikiRequestHelper wikiRequestHelper = new WikiRequestHelper(request);

        WikiGroupServiceOverriddenConfiguration wikiGroupServiceOverriddenConfiguration = wikiRequestHelper
                .getWikiGroupServiceOverriddenConfiguration();

        return wikiGroupServiceOverriddenConfiguration.enableRss();
    }

    @Reference(unbind = "-")
    protected void setWikiPageService(WikiPageService wikiPageService) {
        _wikiPageService = wikiPageService;
    }

    private WikiPageService _wikiPageService;

}