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   Re: encoding problem fixed

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  • From: Elliotte Rusty Harold <elharo@metalab.unc.edu>
  • To: John Cowan <cowan@locke.ccil.org>, XML Dev <xml-dev@ic.ac.uk>
  • Date: Sat, 31 Jul 1999 09:41:23 -0400

At 10:59 AM -0400 7/30/99, John Cowan wrote:
>James Tauber wrote:
>> In other words, rather than creating an InputSource using a FileReader, I
>> used James Clark's "fileInputSource" method in XT to make a URL out of a
>> file and create the InputSource from the URL string.
>Yes, indeed.  You should never use a Reader of any sort when processing
>XML (unless you have a non-standard Reader class that understands the
>XML declaration).  Always use an InputSource so that the parser can
>install its own bytes-to-chars converter based on the declaration.

It's possible to start with an InputStream to read the XML declaration,
then chain that InputStream to an InputStreamReader once the encoding is
known and never use the InputStream directly again. Since the XML
declaration is ASCII (possibvly aside from a byte order mark) this isn't
all that difficult to implement.

| Elliotte Rusty Harold | elharo@metalab.unc.edu | Writer/Programmer |
|               Java I/O (O'Reilly & Associates, 1999)               |
|            http://metalab.unc.edu/javafaq/books/javaio/            |
|   http://www.amazon.com/exec/obidos/ISBN=1565924851/cafeaulaitA/   |
|  Read Cafe au Lait for Java News:  http://metalab.unc.edu/javafaq/ |
|  Read Cafe con Leche for XML News: http://metalab.unc.edu/xml/     |

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