Re: DOMWrite an HTMLDocument

Hi Jake,

I did test the reduced test case. It produces the exact same exception 
from when I get the HTMLDocument from my business object.

Thanx,
Roger.

--
Jacob Kjome wrote:
> Hi Roger,
> 
> See comments below...
> 
> At 11:30 PM 7/9/2003 -0300, you wrote:
> 
>> Hey Barracuda wizards!
>>
>> I'm updating an application from Barracuda 0.something to Barracuda 
>> 1.2 and I got stuck on this:
>>
>> -- 
>> java.lang.NullPointerException
>>         at 
>> org.enhydra.xml.io.BaseDOMFormatter.getEncoding(BaseDOMFormatter.java:326) 
>>
>>         at 
>> org.enhydra.xml.io.BaseDOMFormatter.(BaseDOMFormatter.java:374)
>>         at org.enhydra.xml.io.HTMLFormatter.(HTMLFormatter.java:99)
>>         at 
>> org.enhydra.xml.io.DOMFormatter.getFormatter(DOMFormatter.java:156)
>>         at org.enhydra.xml.io.DOMFormatter.write(DOMFormatter.java:192)
>>         at 
>> org.enhydra.barracuda.core.util.dom.DefaultDOMWriter.write(DefaultDOMWriter.java:181) 
>>
>>         at 
>> org.enhydra.barracuda.core.util.dom.DefaultDOMWriter.write(DefaultDOMWriter.java:146) 
>>
>>         at 
>> lsb.presentation.screens.WizardScreen$RenderTabPreviewHandler.handleViewEvent(WizardScreen.java:336) 
>>
>> -- 
> 
> 
> Hmm... curious.  Looks like it has more to do with XMLC than Barracuda, 
> though.  As such, I'm cc'ing the XMLC list.
> 
>> when writing an HTMLDocument with DefaultDOMWriter.
>>
>> Do you guys have an idea what it could be? The reduced testcase is:
>>
>> HTMLDocument themeDoc = 
>> org.enhydra.xml.xmlc.html.HTMLDocumentFactory.createBasicDocument();
>> new DefaultDOMWriter().write(themeDoc, context.getResponse());
> 
> 
> What exactly are you trying to do?  createBasicDocument() will create an 
> empty HTMLDocument.  Why would you want to write that immediately to 
> output?  It still shouldn't fail with a NullPointerException in 
> BaseDOMFormatter, however.  Looks like it bombs on the second line below...
> 
> } else if (document instanceof XMLObjectLink) {
>         encoding = ((XMLObjectLink)document).getXMLObject().getEncoding();
> }
> 
> Not sure how that would cause a null pointer exception?  If the document 
> is an instance of XMLObjectLink, then the document is, obviously, not 
> null and that whole line should succeed.  Richard, David, Mark, any 
> ideas here?
> 
> Roger, did you actually test your reduced testcase or are you assuming 
> that it is equivalent to another piece of code that is bombing?  If you 
> haven't tested the reduced testcase, can you post your actual code?  It 
> might make a bit more sense.
> 
> Jake
> 
> 
>> Cheers,
>> Roger.
>>
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