Re: [Htmlparser-user] Creating and using an HtmlPage object

[Brad <mai...@ya...>]

On the money! Thanks Derrick.

Maybe this dis-use of the parser object in the constructor could be made clear 
in the docs?

Thanks again
Brad
NZ

On Thu, 10 Feb 2005 01:05, Derrick Oswald wrote:
> Brad,
>
> Even though the HtmlPage constructor takes a parser object it doesn't
> use it.  In fact it can be null.
> This is probably a holdover from some previous use it had that was never
> cleaned up.
> Like all visitors, you need to apply it to the parser with:
>     parser.visitAllNodesWith (visitor);
>
> Derrick
>
> Brad wrote:
> >Hi there
> >
> >I'm a first-time poster here and hoping for some great help.
> >
> >I have successfully implemented Parser(url) at various URLs, but wanted to
> > use the HtmlPage object to be able to get tables and page title, etc,
> > automatically. The following code runs with no errors, but gives no title
> > and a zero table count. Any ideas?
> >
> >Thanks heaps
> >Brad
> >NZ
> >
> >
> >
> >public class TableFinder {
> >
> >	public static org.htmlparser.tags.TableTag[] find(String url) {
> >		org.htmlparser.visitors.HtmlPage page;
> >		org.htmlparser.tags.TableTag[] tables = null;
> >
> >		System.out.print("Resolving url...");
> >		try {
> >			page = new org.htmlparser.visitors.HtmlPage(
> >new org.htmlparser.Parser(url)
> >			);
> >			System.out.println("done");
> >			System.out.println("title: " + page.getTitle());
> >
> >			//*** get tables
> >			tables = page.getTables();
> >			if (tables.length == 0) {
> >				System.err.println("No tables at this url");
> >				return null;
> >			}
> >
> >		} catch (org.htmlparser.util.ParserException e) {
> >			System.err.println("PARSE: Error parsing url");
> >		}
> >		return tables;
> >	}
> >
> >}
>
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