Java Code Examples for com.rometools.rome.feed.rss.Channel#setItems()

private Channel buildChannel(List<Article> articles){
    Channel channel = new Channel("rss_2.0");
    channel.setLink("http://localhost:8080/spring-mvc-simple/rss");
    channel.setTitle("Article Feed");
    channel.setDescription("Article Feed Description");
    channel.setPubDate(new Date());

    List<Item> items = new ArrayList<>();
    for (Article article : articles) {
        Item item = new Item();
        item.setLink(article.getLink());
        item.setTitle(article.getTitle());
        Description description1 = new Description();
        description1.setValue(article.getDescription());
        item.setDescription(description1);
        item.setPubDate(article.getPublishedDate());
        item.setAuthor(article.getAuthor());
        items.add(item);
    }

    channel.setItems(items);
    return channel;
}
 

/**
 * Invokes {@link #buildFeedItems(Map, HttpServletRequest, HttpServletResponse)}
 * to get a list of feed items.
 */
@Override
protected final void buildFeedEntries(Map<String, Object> model, Channel channel,
		HttpServletRequest request, HttpServletResponse response) throws Exception {

	List<Item> items = buildFeedItems(model, request, response);
	channel.setItems(items);
}
 

@Test
public void write() throws IOException, SAXException {
	Channel channel = new Channel("rss_2.0");
	channel.setTitle("title");
	channel.setLink("https://example.com");
	channel.setDescription("description");

	Item item1 = new Item();
	item1.setTitle("title1");

	Item item2 = new Item();
	item2.setTitle("title2");

	List<Item> items = new ArrayList<>(2);
	items.add(item1);
	items.add(item2);
	channel.setItems(items);

	MockHttpOutputMessage outputMessage = new MockHttpOutputMessage();
	converter.write(channel, null, outputMessage);

	assertEquals("Invalid content-type", new MediaType("application", "rss+xml", StandardCharsets.UTF_8),
			outputMessage.getHeaders().getContentType());
	String expected = "<rss version=\"2.0\">" +
			"<channel><title>title</title><link>https://example.com</link><description>description</description>" +
			"<item><title>title1</title></item>" +
			"<item><title>title2</title></item>" +
			"</channel></rss>";
	assertThat(outputMessage.getBodyAsString(StandardCharsets.UTF_8), isSimilarTo(expected));
}
 

/**
 * Invokes {@link #buildFeedItems(Map, HttpServletRequest, HttpServletResponse)}
 * to get a list of feed items.
 */
@Override
protected final void buildFeedEntries(Map<String, Object> model, Channel channel,
		HttpServletRequest request, HttpServletResponse response) throws Exception {

	List<Item> items = buildFeedItems(model, request, response);
	channel.setItems(items);
}
 

@Test
public void write() throws IOException, SAXException {
	Channel channel = new Channel("rss_2.0");
	channel.setTitle("title");
	channel.setLink("http://example.com");
	channel.setDescription("description");

	Item item1 = new Item();
	item1.setTitle("title1");

	Item item2 = new Item();
	item2.setTitle("title2");

	List<Item> items = new ArrayList<>(2);
	items.add(item1);
	items.add(item2);
	channel.setItems(items);

	MockHttpOutputMessage outputMessage = new MockHttpOutputMessage();
	converter.write(channel, null, outputMessage);

	assertEquals("Invalid content-type", new MediaType("application", "rss+xml", StandardCharsets.UTF_8),
			outputMessage.getHeaders().getContentType());
	String expected = "<rss version=\"2.0\">" +
			"<channel><title>title</title><link>http://example.com</link><description>description</description>" +
			"<item><title>title1</title></item>" +
			"<item><title>title2</title></item>" +
			"</channel></rss>";
	assertThat(outputMessage.getBodyAsString(StandardCharsets.UTF_8), isSimilarTo(expected));
}
 

/**
 * Invokes {@link #buildFeedItems(Map, HttpServletRequest, HttpServletResponse)}
 * to get a list of feed items.
 */
@Override
protected final void buildFeedEntries(Map<String, Object> model, Channel channel,
		HttpServletRequest request, HttpServletResponse response) throws Exception {

	List<Item> items = buildFeedItems(model, request, response);
	channel.setItems(items);
}
 

/**
 * Invokes {@link #buildFeedItems(Map, HttpServletRequest, HttpServletResponse)}
 * to get a list of feed items.
 */
@Override
protected final void buildFeedEntries(Map<String, Object> model, Channel channel,
		HttpServletRequest request, HttpServletResponse response) throws Exception {

	List<Item> items = buildFeedItems(model, request, response);
	channel.setItems(items);
}
 

@Test
public void write() throws IOException, SAXException {
	Channel channel = new Channel("rss_2.0");
	channel.setTitle("title");
	channel.setLink("http://example.com");
	channel.setDescription("description");

	Item item1 = new Item();
	item1.setTitle("title1");

	Item item2 = new Item();
	item2.setTitle("title2");

	List<Item> items = new ArrayList<Item>(2);
	items.add(item1);
	items.add(item2);
	channel.setItems(items);

	MockHttpOutputMessage outputMessage = new MockHttpOutputMessage();
	converter.write(channel, null, outputMessage);

	assertEquals("Invalid content-type", new MediaType("application", "rss+xml", utf8),
			outputMessage.getHeaders().getContentType());
	String expected = "<rss version=\"2.0\">" +
			"<channel><title>title</title><link>http://example.com</link><description>description</description>" +
			"<item><title>title1</title></item>" +
			"<item><title>title2</title></item>" +
			"</channel></rss>";
	assertXMLEqual(expected, outputMessage.getBodyAsString(utf8));
}
 

/**
 * This puts the pieces together to generate the actual feed.
 * 
 * @param title
 *            The global title for the podcast
 * @param link
 *            The URL for the feed
 * @param description_loc
 *            Global description of the feed
 * @param copyright
 *            Copyright information
 * @param entries
 *            The list of individual podcasts
 * @param feedTyle
 * 			 The output feed type (for potential future development). Set to rss_2.0
 * @param pubDate
 * 			 The date to set the publish date for this feed
 * 
 * @eturn SyndFeed
 * 			The entire podcast stuffed into a SyndFeed object
 */
private Channel doSyndication(Map feedInfo, List entries,
		String feedType, Date pubDate, Date lastBuildDate) {

	final Channel channel = new Channel();

	// FUTURE: How to determine what podcatcher supports and feed that to them
	channel.setFeedType(feedType);
	channel.setTitle((String) feedInfo.get("title"));
	channel.setLanguage(LANGUAGE);

	channel.setPubDate(pubDate);
	channel.setLastBuildDate(lastBuildDate);

	channel.setLink((String) feedInfo.get("url"));
	channel.setDescription((String) feedInfo.get("desc"));		
	channel.setCopyright((String) feedInfo.get("copyright"));
	channel.setGenerator((String) feedInfo.get("gen"));

	channel.setItems(entries);

	// Used to remove the dc: tags from the channel level info
	List modules = new ArrayList();
	
	channel.setModules(modules);

	return channel;
}
 

/**
 * This puts the pieces together to generate the actual feed.
 * 
 * @param title
 *            The global title for the podcast
 * @param link
 *            The URL for the feed
 * @param description_loc
 *            Global description of the feed
 * @param copyright
 *            Copyright information
 * @param entries
 *            The list of individual podcasts
 * @param feedTyle
 * 			 The output feed type (for potential future development). Set to rss_2.0
 * @param pubDate
 * 			 The date to set the publish date for this feed
 * 
 * @eturn SyndFeed
 * 			The entire podcast stuffed into a SyndFeed object
 */
private Channel doSyndication(Map feedInfo, List entries,
		String feedType, Date pubDate, Date lastBuildDate) {

	final Channel channel = new Channel();

	// FUTURE: How to determine what podcatcher supports and feed that to them
	channel.setFeedType(feedType);
	channel.setTitle((String) feedInfo.get("title"));
	channel.setLanguage(LANGUAGE);

	channel.setPubDate(pubDate);
	channel.setLastBuildDate(lastBuildDate);

	channel.setLink((String) feedInfo.get("url"));
	channel.setDescription((String) feedInfo.get("desc"));		
	channel.setCopyright((String) feedInfo.get("copyright"));
	channel.setGenerator((String) feedInfo.get("gen"));

	channel.setItems(entries);

	// Used to remove the dc: tags from the channel level info
	List modules = new ArrayList();
	
	channel.setModules(modules);

	return channel;
}
 

protected WireFeed createRealFeed(final String type, final SyndFeed syndFeed) {
    final Channel channel = new Channel(type);
    channel.setModules(ModuleUtils.cloneModules(syndFeed.getModules()));
    channel.setStyleSheet(syndFeed.getStyleSheet());
    channel.setEncoding(syndFeed.getEncoding());

    channel.setTitle(syndFeed.getTitle());
    final String link = syndFeed.getLink();
    final List<SyndLink> links = syndFeed.getLinks();
    if (link != null) {
        channel.setLink(link);
    } else if (!links.isEmpty()) {
        channel.setLink(links.get(0).getHref());
    }

    channel.setDescription(syndFeed.getDescription());

    final SyndImage sImage = syndFeed.getImage();
    if (sImage != null) {
        channel.setImage(createRSSImage(sImage));
    }

    final List<SyndEntry> sEntries = syndFeed.getEntries();
    if (sEntries != null) {
        channel.setItems(createRSSItems(sEntries));
    }

    final List<Element> foreignMarkup = syndFeed.getForeignMarkup();
    if (!foreignMarkup.isEmpty()) {
        channel.setForeignMarkup(foreignMarkup);
    }

    return channel;
}
 

/**
 * Parses the root element of an RSS document into a Channel bean.
 * <p/>
 * It reads title, link and description and delegates to parseImage, parseItems and
 * parseTextInput. This delegation always passes the root element of the RSS document as
 * different RSS version may have this information in different parts of the XML tree (no
 * assumptions made thanks to the specs variaty)
 * <p/>
 *
 * @param rssRoot the root element of the RSS document to parse.
 * @return the parsed Channel bean.
 */
protected WireFeed parseChannel(final Element rssRoot, final Locale locale) {

    final Channel channel = new Channel(getType());
    channel.setStyleSheet(getStyleSheet(rssRoot.getDocument()));

    final Element eChannel = rssRoot.getChild("channel", getRSSNamespace());

    final Element title = eChannel.getChild("title", getRSSNamespace());
    if (title != null) {
        channel.setTitle(title.getText());
    }

    final Element link = eChannel.getChild("link", getRSSNamespace());
    if (link != null) {
        channel.setLink(link.getText());
    }

    final Element description = eChannel.getChild("description", getRSSNamespace());
    if (description != null) {
        channel.setDescription(description.getText());
    }

    channel.setImage(parseImage(rssRoot));

    channel.setTextInput(parseTextInput(rssRoot));

    // Unfortunately Microsoft's SSE extension has a special case of effectively putting the
    // sharing channel module inside the RSS tag and not inside the channel itself. So we also
    // need to look for channel modules from the root RSS element.
    final List<Module> allFeedModules = new ArrayList<Module>();
    final List<Module> rootModules = parseFeedModules(rssRoot, locale);
    final List<Module> channelModules = parseFeedModules(eChannel, locale);

    if (rootModules != null) {
        allFeedModules.addAll(rootModules);
    }

    if (channelModules != null) {
        allFeedModules.addAll(channelModules);
    }

    channel.setModules(allFeedModules);
    channel.setItems(parseItems(rssRoot, locale));

    final List<Element> foreignMarkup = extractForeignMarkup(eChannel, channel, getRSSNamespace());
    if (!foreignMarkup.isEmpty()) {
        channel.setForeignMarkup(foreignMarkup);
    }

    return channel;

}