Handling (retain) special characters when parsing XML?

[Piper707]

Hi,

We need help with processing special characters when processing XML
consecutively first by SAX and then converting that output into DOM.

This is what we do:

The input XML has all special chacters like ampersand replaced with
the correct strings: &

SAXParserFactory factory = SAXParserFactory.newInstance();
SAXParser parser = factory.newSAXParser();
parser.parse( new File( FileWithXml ), handler );

the handler saves all the parsed XML into a string in a particular
format. - in the parsed XML, the & gets converted into &

String parsedString = parsedXml.toString();

parsedString needs to be converted into a document:

DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
document = factory.newDocumentBuilder().parse(new InputSource(new
StringReader(parsedString)));

But due to the presence of &, we cannot convert to a document unless &
is again replaced with &

Is there a way to retain special characters the first time around, so
we dont have to replace all occurences again before converting to a
document? Can a custom entity reference handler be used for anything
like this?

Thanks for any help
Rohit

 

[Greg R. Broderick]

(e-mail address removed) wrote in @p77g2000hsh.googlegroups.com:

Is there a way to retain special characters the first time around, so
we dont have to replace all occurences again before converting to a
document? Can a custom entity reference handler be used for anything
like this?

I'd recommend not attempting to re-use the parsed XML (parsed by the SAX
parser) as input to the DOM parser. Instead, just create a new InputSource
from the input file and use that to feed the DOM parser.

Cheers
GRB

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