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From "Ivelin Ivanov" <ive...@apache.org>
Subject Re: AttributesImpl
Date Thu, 25 Apr 2002 12:56:42 GMT


I think Vadim fixed a problem in the XMLFormTransformer, stating that
AttributesImpl has a deadlock problem when the constructor argument is null
or empty.
The fix was:

        AttributesImpl atts;
        if (attributes == null || attributes.getLength() == 0) {
            atts = new AttributesImpl();
        } else {
            atts = new AttributesImpl(attributes);
        }
        atts.addAttribute( null, NS_PREFIX, XMLNS_PREFIX + ":" + NS_PREFIX,
"CDATA", NS);
        attributes = atts;
      }


----- Original Message -----
From: "Torsten Curdt" <tcurdt@dff.st>
To: <cocoon-dev@xml.apache.org>
Sent: Thursday, April 25, 2002 6:10 AM
Subject: AttributesImpl


> guys, I need a hand... I'm kinda lost. I am trying to add an attribute in
> a transformer:
>
> startElement(..)
>
>      ....
>                 AttributesImpl newAttributes = null;
>                 try {
>                     getLogger().error("creating an attributes copy");
>                     newAttributes = new AttributesImpl(attributes);
>                     getLogger().error("adding an attribute");
>                     newAttributes.addAttribute("","id","id","CDATA", id);
>                     getLogger().error("added an attribute");
>                 }
>                 catch(Throwable e) {
>                     e.printStackTrace(System.out);
>                 }
>                 getLogger().error("passing start");
>                 super.startElement(uri, name, raw, newAttributes);
>     ....
>
>
> But I only see the "added an attribute" once. After the next "adding an
> attriubute" I see nothing more at all. No stacktrace, log message -
> nothing. The browser just waits forever and I don't see anything in the
> logs...
>
> Seems like there is no way back from the "addAttribute" sometimes :(
>
>
> Anyone an idea? I always copied the attributes by hand up to now but AFAIK
> the above is the proposed way of doing it...
>
> Any ideas?
> --
> Torsten
>
>
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