com.vportal.portlet.vcmsviewcontent.action.RSSAction.java Source code

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Here is the source code for com.vportal.portlet.vcmsviewcontent.action.RSSAction.java

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/**
 * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.vportal.portlet.vcmsviewcontent.action;

import java.io.IOException;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletConfig;
import javax.portlet.PortletException;
import javax.portlet.PortletRequest;
import javax.portlet.PortletURL;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.PageContext;

import com.liferay.portal.kernel.dao.search.SearchContainer;
import com.liferay.portal.kernel.util.ContentTypes;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portal.model.Layout;
import com.liferay.portal.theme.ThemeDisplay;
import com.liferay.portal.util.PortalUtil;
import com.liferay.portlet.PortletURLFactoryUtil;
import com.liferay.portlet.blogs.service.BlogsEntryServiceUtil;
import com.liferay.util.RSSUtil;
import com.liferay.util.bridges.mvc.MVCPortlet;
import com.liferay.util.servlet.ServletResponseUtil;
import com.vportal.portlet.vcms.service.VcmsCategoryServiceUtil;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

/**
 * <a href="RSSAction.java.html"><b><i>View Source</i></b></a>
 * 
 * @author Brian Wing Shun Chan
 * 
 */
public class RSSAction extends MVCPortlet {

    @Override
    public void processAction(ActionRequest actionRequest, ActionResponse actionResponse)
            throws IOException, PortletException {
        // TODO Auto-generated method stub
        try {
            HttpServletRequest request = PortalUtil.getHttpServletRequest(actionRequest);
            HttpServletResponse response = PortalUtil.getHttpServletResponse(actionResponse);

            ServletResponseUtil.sendFile(response, null, getRSS(request), ContentTypes.TEXT_XML_UTF8);

        } catch (Exception e) {
            PortalUtil.sendError(e, actionRequest, actionResponse);
        }
    }

    protected byte[] getRSS(HttpServletRequest request) throws Exception {

        ThemeDisplay themeDisplay = (ThemeDisplay) request.getAttribute(WebKeys.THEME_DISPLAY);

        Layout layout = themeDisplay.getLayout();

        long plid = ParamUtil.getLong(request, "p_l_id");
        long companyId = ParamUtil.getLong(request, "companyId");
        long groupId = ParamUtil.getLong(request, "groupId");
        String categoryId = ParamUtil.getString(request, "categoryId", "0");
        String portletSelectId = ParamUtil.getString(request, "portletSelectId", "0");
        long organizationId = ParamUtil.getLong(request, "organizationId");
        int max = ParamUtil.getInteger(request, "max", SearchContainer.DEFAULT_DELTA);
        String type = ParamUtil.getString(request, "type", RSSUtil.DEFAULT_TYPE);
        double version = ParamUtil.getDouble(request, "version", RSSUtil.DEFAULT_VERSION);
        String displayStyle = ParamUtil.getString(request, "displayStyle", RSSUtil.DISPLAY_STYLE_FULL_CONTENT);

        String feedURL = themeDisplay.getURLPortal() + themeDisplay.getPathMain() + "/vcmsviewcontent/view?";

        String entryURL = feedURL;

        String rss = StringPool.BLANK;

        if (layout != null) {
            groupId = layout.getGroupId();
            PortletURL rssURL = PortletURLFactoryUtil.create(request, portletSelectId, plid,
                    PortletRequest.RENDER_PHASE);
            rssURL.setParameter("struts_action", "/vcmsviewcontent/view");
            rssURL.setParameter("categoryId", categoryId);
            rssURL.setParameter("cat_parent", categoryId);
            feedURL = rssURL.toString();

            entryURL = feedURL;

            rss = VcmsCategoryServiceUtil.getCategoriesByRSS(categoryId, 5, type, version, displayStyle, entryURL,
                    entryURL, 5, themeDisplay);
        }
        return rss.getBytes(StringPool.UTF8);
    }

    private static Log _log = LogFactory.getLog(RSSAction.class);

}