Re: Simple xhtml/entity resolver?

I think I'd use XSL-T in that case.  It will handle XML -> Text
transformations easily and scriptably (if that's a word).
  (*Chris*)

On Thu, Mar 29, 2012 at 9:54 AM, Oliver Ruebenacker <[email protected]>wrote:

>     Hello,
>
>  Thanks for all the advice, but it seems I did not make myself
> sufficiently clear.
>
>  My situation is this: some one else already parsed XHTML and gave me
> the JDOM element that represents a fragment of it.
>
>  Let us say the original fragment looks something like this:
>
>  "<p><b>&copy; 2012</b> by <em>Dewey, Cheetham &amp; Howe</em></p>"
>  "<p><b>&#169; 2012</b> by <em>Dewey, Cheetham &#38; Howe</em></p>"
>  "<p><b>&#x00a9; 2012</b> by <em>Dewey, Cheetham &#26; Howe</em></p>"
>
>  I never get to see that fragment, but instead an object of type
> Element. What I want to get is a String that looks roughly like this:
>
>  "© 2012 by Dewey, Cheetham & Howe"
>
>  A simple lightweight solution that is roughly acceptable in most
> simple cases is fine for my purpose.
>
>  So I am trying a recursive method that iterates over
> Element.getContent() and then I am wondering what to do if the content
> happens to be EntityRef?
>
> package cbit.vcell.model.summaries;
>
> import org.jdom.Comment;
> import org.jdom.DocType;
> import org.jdom.Element;
> import org.jdom.EntityRef;
> import org.jdom.ProcessingInstruction;
> import org.jdom.Text;
>
> public class XHTMLToPlainTextConverter {
>
>        public static String convert(Element element) {
>                String text = "";
>                for(Object content : element.getContent()) {
>                        if(content instanceof Comment) {
>                                // ignore
>                        } else if(content instanceof DocType) {
>                                // ignore
>                        } else if(content instanceof Element) {
>                                Element childElement = (Element) content;
>                                text = text + convert(childElement);
>                        } else if(content instanceof EntityRef) {
>                                EntityRef ref = (EntityRef) content;
>                                text = text + ref; // ???
>                        } else if(content instanceof ProcessingInstruction)
> {
>                                // ignore
>                        } else if(content instanceof Text) {
>                                Text childText = (Text) content;
>                                text = text + childText.getText();
>                        } else {
>                                // ignore, should not happen
>                        }
>                }
>                return text;
>        }
>
> }
>
>  Thanks!
>
>     Take care
>      Oliver
>
> On Thu, Mar 29, 2012 at 12:19 PM, Chris Pratt <[email protected]>
> wrote:
> > Another option I've used in the past is changing the underlying SAX
> parser
> > that jDOM uses to TagSoup ( http://ccil.org/~cowan/XML/tagsoup/).  Their
> > parser is tuned to parsing not fully XML compliant HTML.
> >
> >   (*Chris*)
> >
> > On Thu, Mar 29, 2012 at 8:47 AM, Olivier Jaquemet
> > <[email protected]> wrote:
> >>
> >> Hi Oliver,
> >>
> >> JDom is a great tool for parsing XML...
> >>
> >> ... but for XHTML fragment (which may not be completely XHTML compliant
> >> ... ?)
> >> and specially for text extraction, I would strongly suggest JSoup
> >> http://jsoup.org/
> >>
> >>  String text = org.jsoup.Jsoup.parse(html).text();
> >>
> >> Whatever is your html it will work like a charm (even it is an ugly copy
> >> paste wysiwyg from word or any ugly html export from whatever website)
> >>
> >> Olivier
> >>
> >>
> >> On 29/03/2012 15:23, Oliver Ruebenacker wrote:
> >>>
> >>>      Hello,
> >>>
> >>>   I need a simple way to convert some XHTML fragments, provided as a
> >>> JDOM Element, into plain text. I am willing to ignore most HTML tags
> >>> and consider only the most commonly used predefined entities.
> >>>
> >>>   In JDOM, an entity reference has a name, a public id and a system
> >>> id. I think I know what the named means, for named entities. But what
> >>> about numeric entities, how do I get the code point? And what are
> >>> public id and system id?
> >>>
> >>>   Thanks!
> >>>
> >>>      Take care
> >>>      Oliver
> >>>
> >>
> >> --
> >> Olivier Jaquemet<[email protected]>
> >> Ingénieur R&D Jalios S.A. - http://www.jalios.com/
> >> @OlivierJaquemet +33970461480
> >>
> >>
> >>
> >> _______________________________________________
> >> To control your jdom-interest membership:
> >> http://www.jdom.org/mailman/options/jdom-interest/[email protected]
> >
> >
> >
> > _______________________________________________
> > To control your jdom-interest membership:
> > http://www.jdom.org/mailman/options/jdom-interest/[email protected]
>
>
>
> --
> Oliver Ruebenacker, Computational Cell Biologist
> Virtual Cell (http://vcell.org)
> SBPAX: Turning Bio Knowledge into Math Models (http://www.sbpax.org)
> http://www.oliver.curiousworld.org
>

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