Examples of com.sun.syndication.fetcher.FeedFetcher.retrieveFeed()

Class com.sun.syndication.fetcher.FeedFetcher

Examples of com.sun.syndication.fetcher.FeedFetcher.retrieveFeed()

com.sun.syndication.fetcher.FeedFetcher.retrieveFeed()
Retrieve a feed over HTTP @param feedUrl A non-null URL of a RSS/Atom feed to retrieve @return A {@link com.sun.syndication.feed.synd.SyndFeed} object @throws IllegalArgumentException if the URL is null; @throws IOException if a TCP error occurs @throws FeedException if the feed is not valid @throws FetcherException if a HTTP error occurred

      e.printStackTrace();
      fail(e.getMessage());
    }
  
    try {
      SyndFeed feed = feedFetcher.retrieveFeed(new URL("http://localhost:"+testPort+"/rome/FetcherTestServlet?error=500"));
      fail("5xx error handling did not work correctly");
    } catch (FetcherException e) {
      // expect this exception
      assertEquals(500, e.getResponseCode());
    } catch (Exception e) {

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  public void testFetchEvents() {
    FeedFetcher feedFetcher = getFeedFetcher();
    FetcherEventListenerImpl listener = new FetcherEventListenerImpl();
    feedFetcher.addFetcherEventListener(listener);
    try {
      SyndFeed feed = feedFetcher.retrieveFeed(new URL("http://localhost:"+testPort+"/rome/FetcherTestServlet/"));
      assertNotNull(feed);
      assertTrue(listener.polled);
      assertTrue(listener.retrieved);
      assertFalse(listener.unchanged);
      listener.reset();

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      assertFalse(listener.unchanged);
      listener.reset();
  
      // since there is no cache, the events fired should be exactly the same if
      // we re-retrieve the feed
      feed = feedFetcher.retrieveFeed(new URL("http://localhost:"+testPort+"/rome/FetcherTestServlet/"));
      assertNotNull(feed);
      assertTrue(listener.polled);
      assertTrue(listener.retrieved);
      assertFalse(listener.unchanged);
      listener.reset();

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    FeedFetcherCache feedInfoCache = new HashMapFeedInfoCache();
    FeedFetcher feedFetcher = getFeedFetcher(feedInfoCache);
    FetcherEventListenerImpl listener = new FetcherEventListenerImpl();
    feedFetcher.addFetcherEventListener(listener);
    try {
      SyndFeed feed = feedFetcher.retrieveFeed(new URL("http://localhost:"+testPort+"/rome/FetcherTestServlet/"));
      assertNotNull(feed);
      assertTrue(listener.polled);
      assertTrue(listener.retrieved);
      assertFalse(listener.unchanged);
      listener.reset();

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      assertFalse(listener.unchanged);
      listener.reset();
  
      // Since the feed is cached, the second request should not
      // actually retrieve the feed
      feed = feedFetcher.retrieveFeed(new URL("http://localhost:"+testPort+"/rome/FetcherTestServlet/"));
      assertNotNull(feed);
      assertTrue(listener.polled);
      assertFalse(listener.retrieved);
      assertTrue(listener.unchanged);
      listener.reset();

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      assertFalse(listener.retrieved);
      assertTrue(listener.unchanged);
      listener.reset();
  
      // now simulate getting the feed after it has changed
      feed = feedFetcher.retrieveFeed(new URL("http://localhost:"+testPort+"/rome/FetcherTestServlet?refreshfeed=TRUE"));
      assertNotNull(feed);
      assertTrue(listener.polled);
      assertTrue(listener.retrieved);
      assertFalse(listener.unchanged);
      listener.reset();

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   *
   */
  public void testGZippedFeed() {
      FeedFetcher feedFetcher = getFeedFetcher();
    try {
      SyndFeed feed = feedFetcher.retrieveFeed(new URL("http://localhost:"+testPort+"/rome/FetcherTestServlet?gzipfeed=TRUE"));
      assertNotNull(feed);
      assertEquals("atom_0.3.feed.title", feed.getTitle());
    } catch (Exception e) {
      e.printStackTrace();
      fail(e.getMessage());

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    FeedFetcher feedFetcher = getFeedFetcher(feedInfoCache);          
    try {
        feedFetcher.setUsingDeltaEncoding(true);
        
        // first retrieval should just grab the default feed
      SyndFeed feed1 = feedFetcher.retrieveFeed(new URL("http://localhost:"+testPort+"/rome/FetcherTestServlet?deltaencode=TRUE&refreshfeed=TRUE"));
      assertNotNull(feed1);
      assertEquals("atom_0.3.feed.title", feed1.getTitle());
      assertEquals(2, feed1.getEntries().size());
      SyndEntry entry1 = (SyndEntry) feed1.getEntries().get(0);
      assertEquals("atom_0.3.feed.entry[0].title", entry1.getTitle());

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      // second retrieval should get only the new item
      /*
       * This is breaking with Rome 0.5 ??
       */ 
      SyndFeed feed2 = feedFetcher.retrieveFeed(new URL("http://localhost:"+testPort+"/rome/FetcherTestServlet?deltaencode=TRUE&refreshfeed=TRUE"));          
      assertNotNull(feed2);
      assertEquals(FetcherTestServlet.DELTA_FEED_TITLE, feed2.getTitle());
      assertEquals(3, feed2.getEntries().size());
      entry1 = (SyndEntry) feed2.getEntries().get(0);
      assertEquals(FetcherTestServlet.DELTA_FEED_ENTRY_TITLE, entry1.getTitle());

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