es.ucm.fdi.avisos.util.CustomRssViewer.java Source code

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Here is the source code for es.ucm.fdi.avisos.util.CustomRssViewer.java

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/**
 * This file is part of Portal Web de la FDI.
 *
 * Portal Web de la FDI is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Portal Web de la FDI 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with Portal Web de la FDI.  If not, see <http://www.gnu.org/licenses/>.
 */
package es.ucm.fdi.avisos.util;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.joda.time.LocalDateTime;
import org.springframework.web.servlet.view.feed.AbstractRssFeedView;

import com.rometools.rome.feed.rss.Channel;
import com.rometools.rome.feed.rss.Content;
import com.rometools.rome.feed.rss.Item;

import es.ucm.fdi.avisos.business.entity.Aviso;

public class CustomRssViewer extends AbstractRssFeedView {

    private static String dominio = "http://localhost:8080";

    @Override
    protected void buildFeedMetadata(Map<String, Object> model, Channel feed, HttpServletRequest request) {

        feed.setTitle("Feed de la Facultad de Informatica, Universidad Complutense de Madrid");
        feed.setDescription("Noticias acerca de la Fdi-UCM");
        feed.setLink("http://informatica.ucm.es");

        LocalDateTime today = new LocalDateTime();
        feed.setLastBuildDate(today.toDate());

        super.buildFeedMetadata(model, feed, request);
    }

    @Override
    protected List<Item> buildFeedItems(Map<String, Object> model, HttpServletRequest request,
            HttpServletResponse response) throws Exception {

        @SuppressWarnings("unchecked")
        List<Aviso> listContent = (List<Aviso>) model.get("feedContent");
        List<Item> items = new ArrayList<Item>(listContent.size());

        for (Aviso tempContent : listContent) {

            Item item = new Item();

            // Contenido del aviso
            Content content = new Content();
            content.setValue(tempContent.getContenidoAviso());
            item.setContent(content);

            item.setTitle(tempContent.getTitulo());

            // Enlace al propio aviso
            item.setLink(dominio + request.getSession().getServletContext().getContextPath() + "/aviso/"
                    + tempContent.getId());

            // Autor
            if (tempContent.getAutor() != null) {
                item.setAuthor(tempContent.getAutor().getUsername());
            }

            // Fecha caducidad
            if (tempContent.getFinPublicacion() != null) {
                item.setExpirationDate(tempContent.getFinPublicacion().toDate());
            }

            // Fecha publicacion aviso
            item.setPubDate(tempContent.getFechaCreacion().toDate());

            items.add(item);
        }

        return items;
    }

}