[udig-devel] DbaseFileWriter problems on ugly strings

[Andrea Antonello]

> Adding this to my list of things to do :P. 

:) Sorry for that...

> I wonder if Geotools
> trunk can handle this case.  Is there any way you can  cut down the  
> shapefile to a size where you can send it to me?

Yes, I send it to you offline.

Ciao, 
Andrea


> 
> Jesse
> 
> Le 16-Jan-08 à 5:24 AM, Andrea Antonello a écrit :
> 
> > I have a problem when trying to merge various layers to a shapefile.
> >
> > An exception is thrown from the DbaseFileWriter that is due to the  
> > fact
> > that the content of the string was written with international
> > characters and on my pc they don't seem to be encoded properly.
> > Nevertheless, since I do not care about the content, I would not  
> > expect
> > an error.
> >
> > The content is:
> >
> > ------------------------------------------------------------------
> >
> > schräge
> > Länge der
> > Brücke 15 m, starke
> > Verängung der Abflusssekti
> >
> > ------------------------------------------------------------------
> >
> > for which bash's wc counts 317 bytes.
> >
> >
> > In the method getFieldString of the DbaseFileWriter the following
> > happens:
> >
> > int currentBytes=s.substring(0, Math.min(size,
> > s.length())).getBytes().length;
> >
> > where s.length() = 188
> > size, which is maxsize = 254
> > and currentBytes gets = 316
> >
> > so the following check gives true, which is ok, since international
> > chars are taken into account:
> >
> > if( currentBytes>size ){
> >            char[] c=new char[1];
> >            for( int index=size-1; currentBytes>size; index--){
> >
> > the following line throws an arrayoutofbounds, since the count of
> > the buffer is 188 and we are accessing position 253.
> >
> > 		c[0] = buffer.charAt(index);
> >
> > I don't understand exactly the problem, since the buffer is  
> > initialized
> > with dimension 255 and it should not throw the exception.
> >
> >
> > Any idea on what the problem is?
> >
> >
> > Andrea
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>