[jdom-interest] XMLOutputter/SAXBuilder
philip.nelson at omniresources.com
philip.nelson at omniresources.com
Fri Sep 14 06:47:16 PDT 2001
> The workaround I've got at present is to take everything from
> the <wml> to
> </wml> and then prettify that since it can be represented as
> a JDOM element,
> however I have the added complication that I have to escape character
> entities, i..e modify all & with &
>
> Please lets get this sorted!
>
> Gary
>
I think your best bet would be to implement your own resolver so you can
specify an alternate dtd. JDOM has nothing to do with default attributes
being applied and as you have found, turning off validation does not mean
entities and default attributes are not applied. The underlying parser
determines what to do with the dtd, not JDOM. There is a new interface that
can allow you to set non standard parser features, but you will have to
investigate yourself if that would help you or not.
> On Friday 14 September 2001 12:00, Bart Read wrote:
> > You could try turning document validation off (I think you
> can do this) --
> > I'm obviously assuming that you aren't going to need to validate the
> > documents you're creating in your final system, but I could
> be mistaken.
> > My thinking is that if validation is turned off then the
> DTD won't be
> > referred and so the default attributes won't be inserted
> (because the
> > system doesn't know about them).
> >
> > Hope this helps.
> >
> > =================================
> > Bart Read
> > Senior Developer
> > Abbotsbury Software Ltd
> > Abbotsbury, DORSET DT3 4JT
> > Tel: +44 (0) 1305 871644
> > E-mail: bart at wdi.co.uk
> > =================================
> > ----- Original Message -----
> > From: "Gary Bentley" <gb at opengroup.org>
> > To: <jdom-interest at jdom.org>
> > Sent: Friday, September 14, 2001 11:35 AM
> > Subject: [jdom-interest] XMLOutputter/SAXBuilder
> >
> > > Right here's my problem folks,
> > >
> > > I am dynamically building a chunk of WML and then getting
> a combination
> > > of SAXBuilder and XMLOutputter to format the string of
> WML for me. This
> >
> > saves
> >
> > > me a lot of time and lets me not have to worry about the
> format of the
> >
> > intput
> >
> > > string.
> > >
> > > Now the problem:
> > >
> > > If I pass this chunk of WML to SAXBuilder and then
> XMLOutputter (via a
> > > StringReader and StringWriter combination)
> > >
> > > <?xml version="1.0"?>
> > > <!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.3//EN"
> > > "http://www.wapforum.org/DTD/wml13.dtd">
> > > <wml>
> > > <card newcontext="true" id="main">
> > > <onevent type="onenterforward">
> > > <go href="#card1"/>
> > > </onevent>
> > > </card>
> > > </wml>
> > >
> > > Then what I actually get at the end of it is this:
> > >
> > > <?xml version="1.0" encoding="UTF-8"?>
> > > <!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.3//EN"
> > > "http://www.wapforum.org/DTD/wml13.dtd">
> > > <wml>
> > > <card newcontext="true" id="main" ordered="true">
> > > <onevent type="onenterforward">
> > > <go href="#card1" method="get" sendreferer="false"
> > > enctype="application/x-www-form-urlencoded" />
> > >
> > > </onevent>
> > >
> > > </card>
> > > </wml>
> > >
> > > Now there are a few problems here, the main one (and I
> consider this
> >
> > either a
> >
> > > major bug or undocumented feature...take your pick) is that either
> >
> > SAXBuilder
> >
> > > (my current No 1 suspect and I haven't had chance to do a full
> >
> > investigation)
> >
> > > or XMLOutputter is adding in attributes to various
> elements, for example
> >
> > the
> >
> > > <card> element now has an "ordered" attribute that I
> certainly didn't ask
> > > for, and the <go> element has the "sendreferer", "method"
> and "enctype"
> > > attributes added. It appears to be applying default
> attributes that are
> > > specified in the DTD. My suspicion is that one of the classes is
> >
> > examining
> >
> > > the DTD and being "clever", which is nice, but not the
> documented or
> >
> > required
> >
> > > behaviour.
> > >
> > > If this is a bug can it please be fixed, if it's not then
> can it please
> > > be "switchable" so that I can turn it off, the
> application I am building
> >
> > needs
> >
> > > to be able to specify ALL the WML, not have it interpreted for me.
> > >
> > > A further problem is that there seems to be a newline
> added after the
> > > <go> element and the end of the <onevent> element. I
> know for there are
> > > no newlines present in the string prior to conversion
> since I strip them
> >
> > with:
> > > wml = wml.replace ('\n', ' ');
> > >
> > > And then use:
> > >
> > > XMLOutputter xout = new XMLOutputter ();
> > >
> > > xout.setIndent (" ");
> > > xout.setNewLines (true);
> > > xout.setTextNormalize (true);
> > >
> > > Any ideas anyone...
> > >
> > > Cheers,
> > >
> > > Gary
> > > _______________________________________________
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