com.sun.syndication.feed.synd.SyndContent Java Examples

private void addSitemapUrl(String url, List<SyndEntrySorted> entries, Url urlsm, HttpServletRequest request) {
	try {
		SyndEntrySorted entry = new SyndEntrySorted();
		entry.setTitle(urlsm.getName());
		entry.setLink(urlsm.getIoc());

		Date publishedDate = Constants.parseDateTime(urlsm.getCreationDate());
		entry.setPublishedDate(publishedDate);
		entry.setUpdatedDate(publishedDate);

		SyndContent description = new SyndContentImpl();
		description.setType("text/html");
		description.setValue("");
		entry.setDescription(description);

		entries.add(entry);
	} catch (Exception e) {
		e.printStackTrace();
	}
}
 

private void addMessage(String url, List<SyndEntrySorted> entries, ForumMessage message, HttpServletRequest request) {
	try {
		SyndEntrySorted entry = new SyndEntrySorted();
		entry.setTitle(message.getMessageVO().getSubject());
		entry.setLink(getItemLink(url, message, request));

		Date publishedDate = Constants.parseDateTime(message.getCreationDate());
		entry.setPublishedDate(publishedDate);
		entry.setAuthor(message.getAccount().getUsername());
		Date updateDate = Constants.parseDateTime(message.getModifiedDate());
		entry.setUpdatedDate(updateDate);

		SyndContent description = new SyndContentImpl();
		description.setType("text/html");
		description.setValue(message.getMessageVO().getShortBody(300));
		entry.setDescription(description);

		if (message.isRoot()) {
			List<SyndCategory> cats = new ArrayList<SyndCategory>();
			for (Object o : message.getForumThread().getTags()) {
				ThreadTag tag = (ThreadTag) o;
				SyndCategory cat = new SyndCategoryImpl();

				cat.setTaxonomyUri(url + "/tags/" + tag.getTagID());
				cat.setName(tag.getTitle());
				cats.add(cat);
			}
			entry.setCategories(cats);
		}
		entries.add(entry);
	} catch (Exception e) {
		e.printStackTrace();
	}
}
 

private static String stripTags(SyndContent c) {
  if (c == null)
    return "";

  String value = c.getValue();

  String[] parts = value.split("<[^>]*>");
  StringBuffer buf = new StringBuffer();

  for (String part : parts)
    buf.append(part);

  return buf.toString().trim();
}
 

private static String stripTags(SyndContent c) {
  if (c == null)
    return "";

  String value = c.getValue();

  String[] parts = value.split("<[^>]*>");
  StringBuffer buf = new StringBuffer();

  for (String part : parts)
    buf.append(part);

  return buf.toString().trim();
}
 

@Override
public String getDescription() {
    String result = null;
    SyndContent syndContent = syndEntry.getDescription();
    if (syndContent != null) {
        result = syndContent.getValue();
    }

    return result;
}
 

/**
 * Converts a <code>SyndEntry</code> into an <code>Item</code>
 * 
 * @param entry
 *            The SyndEntry
 * @return The Item
 */
private Item convertToItem(final SyndEntry entry) {
    // A SyncEntry can potentially have many attributes like title, description,
    // guid, link, enclosure or content. In OLAT, however, items are limited
    // to the attributes, title, description and one media file (called
    // enclosure in RSS) for simplicity.
    final Item e = new Item();
    e.setTitle(entry.getTitle());
    e.setDescription(entry.getDescription() != null ? entry.getDescription().getValue() : null);
    // Extract content objects from syndication item
    final StringBuffer sb = new StringBuffer();
    for (final SyndContent content : (List<SyndContent>) entry.getContents()) {
        // we don't check for type, assume it is html or txt
        if (sb.length() > 0) {
            sb.append("<p />");
        }
        sb.append(content.getValue());
    }
    // Set aggregated content from syndication item as our content
    if (sb.length() > 0) {
        e.setContent(sb.toString());
    }
    e.setGuid(entry.getUri());
    e.setExternalLink(entry.getLink());
    e.setLastModified(entry.getUpdatedDate());
    e.setPublishDate(entry.getPublishedDate());

    for (final Object enclosure : entry.getEnclosures()) {
        if (enclosure instanceof SyndEnclosure) {
            final SyndEnclosure syndEnclosure = (SyndEnclosure) enclosure;
            final Enclosure media = new Enclosure();
            media.setExternalUrl(syndEnclosure.getUrl());
            media.setType(syndEnclosure.getType());
            media.setLength(syndEnclosure.getLength());
            e.setEnclosure(media);
        }
        // Break after one cycle because only one media file is supported
        break;
    }
    return e;
}
 

/**
    * Constructor. The identityKey is needed to generate personal URLs for the corresponding user.
    */
protected RSSFeed(final Feed feed, final Identity identity, final Long courseId, final String nodeId,final Translator translator, RepositoryService repositoryService) {
       super();

       // This helper object is required for generating the appropriate URLs for
       // the given user (identity)
	final FeedViewHelper helper = new FeedViewHelper(feed, identity, courseId, nodeId, translator, repositoryService);

       setFeedType("rss_2.0");
       setEncoding(RSSServlet.DEFAULT_ENCODING);
       setTitle(feed.getTitle());
       // According to the rss specification, the feed channel description is not
       // (explicitly) allowed to contain html tags.
       String strippedDescription = FilterFactory.getHtmlTagsFilter().filter(feed.getDescription());
       strippedDescription = strippedDescription.replaceAll(" ", " "); // TODO: remove when filter
       // does it
       setDescription(strippedDescription);
       setLink(helper.getJumpInLink());

       setPublishedDate(feed.getLastModified());
       // The image
       if (feed.getImageName() != null) {
           final SyndImage image = new SyndImageImpl();
           image.setDescription(feed.getDescription());
           image.setTitle(feed.getTitle());
           image.setLink(getLink());
           image.setUrl(helper.getImageUrl());
           setImage(image);
       }

       final List<SyndEntry> episodes = new ArrayList<SyndEntry>();
       for (final Item item : feed.getPublishedItems()) {
           final SyndEntry entry = new SyndEntryImpl();
           entry.setTitle(item.getTitle());

           final SyndContent itemDescription = new SyndContentImpl();
           itemDescription.setType("text/plain");
           itemDescription.setValue(helper.getItemDescriptionForBrowser(item));
           entry.setDescription(itemDescription);

           // Link will also be converted to the rss guid tag. Except if there's an
           // enclosure, then the enclosure url is used.
           // Use jump-in link far all entries. This will be overriden if the item
           // has an enclosure.
           entry.setLink(helper.getJumpInLink() + "#" + item.getGuid());
           entry.setPublishedDate(item.getPublishDate());
           entry.setUpdatedDate(item.getLastModified());

           // The enclosure is the media (audio or video) file of the episode
           final Enclosure media = item.getEnclosure();
           if (media != null) {
               final SyndEnclosure enclosure = new SyndEnclosureImpl();
               enclosure.setUrl(helper.getMediaUrl(item));
               enclosure.setType(media.getType());
               enclosure.setLength(media.getLength());
               // Also set the item link to point to the enclosure
               entry.setLink(helper.getMediaUrl(item));
               final List<SyndEnclosure> enclosures = new ArrayList<SyndEnclosure>();
               enclosures.add(enclosure);
               entry.setEnclosures(enclosures);
           }

           episodes.add(entry);
       }
       setEntries(episodes);
   }
 

/**
 * Converts a <code>SyndEntry</code> into an <code>Item</code>
 * 
 * @param entry
 *            The SyndEntry
 * @return The Item
 */
private Item convertToItem(final SyndEntry entry) {
    // A SyncEntry can potentially have many attributes like title, description,
    // guid, link, enclosure or content. In OLAT, however, items are limited
    // to the attributes, title, description and one media file (called
    // enclosure in RSS) for simplicity.
    final Item e = new Item();
    e.setTitle(entry.getTitle());
    e.setDescription(entry.getDescription() != null ? entry.getDescription().getValue() : null);
    // Extract content objects from syndication item
    final StringBuffer sb = new StringBuffer();
    for (final SyndContent content : (List<SyndContent>) entry.getContents()) {
        // we don't check for type, assume it is html or txt
        if (sb.length() > 0) {
            sb.append("<p />");
        }
        sb.append(content.getValue());
    }
    // Set aggregated content from syndication item as our content
    if (sb.length() > 0) {
        e.setContent(sb.toString());
    }
    e.setGuid(entry.getUri());
    e.setExternalLink(entry.getLink());
    e.setLastModified(entry.getUpdatedDate());
    e.setPublishDate(entry.getPublishedDate());

    for (final Object enclosure : entry.getEnclosures()) {
        if (enclosure instanceof SyndEnclosure) {
            final SyndEnclosure syndEnclosure = (SyndEnclosure) enclosure;
            final Enclosure media = new Enclosure();
            media.setExternalUrl(syndEnclosure.getUrl());
            media.setType(syndEnclosure.getType());
            media.setLength(syndEnclosure.getLength());
            e.setEnclosure(media);
        }
        // Break after one cycle because only one media file is supported
        break;
    }
    return e;
}
 

/**
 * Constructor. The identityKey is needed to generate personal URLs for the corresponding user.
 */
protected RSSFeed(final Feed feed, final Identity identity, final Long courseId, final String nodeId, final Translator translator, RepositoryService repositoryService) {
    super();

    // This helper object is required for generating the appropriate URLs for
    // the given user (identity)
    final FeedViewHelper helper = new FeedViewHelper(feed, identity, courseId, nodeId, translator, repositoryService);

    setFeedType("rss_2.0");
    setEncoding(DEFAULT_ENCODING);
    setTitle(feed.getTitle());
    // According to the rss specification, the feed channel description is not
    // (explicitly) allowed to contain html tags.
    String strippedDescription = FilterFactory.getHtmlTagsFilter().filter(feed.getDescription());
    strippedDescription = strippedDescription.replaceAll(" ", " "); // TODO: remove when filter
    // does it
    setDescription(strippedDescription);
    setLink(helper.getJumpInLink());

    setPublishedDate(feed.getLastModified());
    // The image
    if (feed.getImageName() != null) {
        final SyndImage image = new SyndImageImpl();
        image.setDescription(feed.getDescription());
        image.setTitle(feed.getTitle());
        image.setLink(getLink());
        image.setUrl(helper.getImageUrl());
        setImage(image);
    }

    final List<SyndEntry> episodes = new ArrayList<SyndEntry>();
    for (final Item item : feed.getPublishedItems()) {
        final SyndEntry entry = new SyndEntryImpl();
        entry.setTitle(item.getTitle());

        final SyndContent itemDescription = new SyndContentImpl();
        itemDescription.setType("text/plain");
        itemDescription.setValue(helper.getItemDescriptionForBrowser(item));
        entry.setDescription(itemDescription);

        // Link will also be converted to the rss guid tag. Except if there's an
        // enclosure, then the enclosure url is used.
        // Use jump-in link far all entries. This will be overriden if the item
        // has an enclosure.
        entry.setLink(helper.getJumpInLink() + "#" + item.getGuid());
        entry.setPublishedDate(item.getPublishDate());
        entry.setUpdatedDate(item.getLastModified());

        // The enclosure is the media (audio or video) file of the episode
        final Enclosure media = item.getEnclosure();
        if (media != null) {
            final SyndEnclosure enclosure = new SyndEnclosureImpl();
            enclosure.setUrl(helper.getMediaUrl(item));
            enclosure.setType(media.getType());
            enclosure.setLength(media.getLength());
            // Also set the item link to point to the enclosure
            entry.setLink(helper.getMediaUrl(item));
            final List<SyndEnclosure> enclosures = new ArrayList<SyndEnclosure>();
            enclosures.add(enclosure);
            entry.setEnclosures(enclosures);
        }

        episodes.add(entry);
    }
    setEntries(episodes);
}