Example usage for org.apache.commons.feedparser FeedParserException getMessage

Introduction

In this page you can find the example usage for org.apache.commons.feedparser FeedParserException getMessage.

Prototype

public String getMessage() 

Source Link

Document

Returns the detail message string of this throwable.

Usage

From source file:org.scify.NewSumServer.Server.Sources.RssParser.java

/**
 * Processes the feeds from the given URL string and adds them to a List
 * containing an {@link Article} for each item found.
 *
 * @param urlString the URL string to parse
 * @param sCategory The category that the specified URL is about
 * @throws NetworkException/*from w  w  w.  j av a2  s.  c  o m*/
 * @throws IOException
 */
public void ProcessFeed(final String urlString, final String sCategory) throws NetworkException, IOException {

    //create a listener for handling our callbacks
    FeedParserListener listener;
    listener = new DefaultFeedParserListener() {
        @Override
        public void onItem(FeedParserState state, String title, String link, String description,
                String permalink) throws FeedParserException {
            // Use first 30 characters for title...
            if ((title == null) || (title.trim().length() == 0)) {
                title = description.substring(0, 30) + "...";
            }
            // TODO for later version
            // check if category is "" || "Top News" and if such, create
            // new UnlabeledArticle so that it gets category from the
            // classification Module.

            if (sCategory.equals(UNCLASSIFIED)) {
                // Initiate an Unlabeled Article (null Category) with boolean
                // toWrap = false, so that
                // it is not accessed by the classification trainer
                UnlabeledArticle tmpUnArt = new UnlabeledArticle(permalink, title.trim(), description, null,
                        urlString, false);
                //filter Article text
                tmpUnArt = (UnlabeledArticle) preProcessArticle(tmpUnArt, 9);
                // Add the Article found to the list, avoid possible duplicates
                if (tmpUnArt != null) {
                    Utilities.addItemToList(lsItems, tmpUnArt);
                }
                // Otherwise procceed normally with provided category
            } else {
                // Initiate a new article with toWrap = true,
                // so that it feeds the classification trainer
                Article tmpArt = new Article(permalink, title.trim(), description, sCategory, urlString, true);
                //filter article text
                tmpArt = preProcessArticle(tmpArt, 10);
                // Add the Article found to the list, avoid possible duplicates
                if (tmpArt != null) {
                    Utilities.addItemToList(lsItems, tmpArt);
                }
            }
        }

        @Override
        public void onCreated(FeedParserState state, Date date) throws FeedParserException {
            if (!lsItems.isEmpty()) {
                //Adding date to current Article -- Some feeds don't provide date
                Article tmpArt = lsItems.get(lsItems.size() - 1);
                tmpArt.setDate(date);
            }
        }
    };
    // debug
    //        System.out.println("Fetching resource: " + urlString);
    // debug
    //use the FeedParser network IO package to fetch our resource URL
    ResourceRequest request = ResourceRequestFactory.getResourceRequest(urlString);
    request.setRequestHeaderField("User-Agent",
            "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:16.0) Gecko/20100101 Firefox/16.0");
    FeedParser parser = null;
    try {
        // Grab input stream
        InputStream is = request.getInputStream();
        parser = FeedParserFactory.newFeedParser();
        parser.parse(listener, is, urlString);
    } catch (FeedParserException ex) {
        LOGGER.log(Level.WARNING, ex.getMessage(), ex);
    } catch (Exception ex) {
        LOGGER.log(Level.WARNING, ex.getMessage());
    }
}

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