Invoke with one argument, a URI or filename
if (argv.length != 1) {
System.err.println ("Usage: RssMain [file|URL]");
System.exit (1);
}
try {
XMLReader reader;
RssConsumer consumer;
Hashtable hashtable;
Resolver resolver;
reader = XMLReaderFactory.createXMLReader ();
consumer = new RssConsumer ();
reader.setContentHandler (consumer);
// handle the "official" DTD server being off-line
hashtable = new Hashtable (5);
hashtable.put (
"-//Netscape Communications//DTD RSS 0.91//EN",
Resolver.fileNameToURL ("rss-0_91.dtd"));
resolver = new Resolver (hashtable);
reader.setEntityResolver (resolver);
// we rely on qNames, and 0.91 doesn't use namespaces
reader.setFeature (featurePrefix + "namespace-prefixes", true);
reader.setFeature (featurePrefix + "namespaces", false);
argv [0] = Resolver.getURL (argv [0]);
reader.parse (argv [0]);
RssChannel channel = consumer.getChannel ();
System.out.println ("Partial RSS 0.91 channel info");
System.out.println ("SOURCE = " + channel.sourceUri);
System.out.println ();
System.out.println (" Title: " + channel.title);
System.out.println (" Description: " + channel.description);
System.out.println (" Link: " + channel.link);
System.out.println (" Language: " + channel.language);
System.out.println (" WebMaster: " + channel.webMaster);
System.out.println ("ManagingEditor: " + channel.managingEditor);
System.out.println ();
System.out.println (" Item Count: " + channel.items.size ());
for (int i = 0; i < channel.items.size (); i++) {
RssItem item = (RssItem)
channel.items.elementAt (i);
System.out.println ("ITEM # " + i);
if (item != null) {
System.out.println (" Title: " + item.title);
System.out.println (" Description: " + item.description);
System.out.println (" Link: " + item.link);
}
}
// Good error handling is not shown here, for simplicity
} catch (Exception e) {
System.err.println ("Whoa: " + e.getMessage ());
System.exit (1);
}
System.exit (0);
