[jdom-interest] Adding attributes with XPath

[Kevin L. Cobb]

No. Think of XPATH expressions as having read only access to your XML
data. They cannot effect the contents of the XML data. That's what XSLT
is for. 
 

________________________________

From: jdom-interest-bounces at jdom.org
[mailto:jdom-interest-bounces at jdom.org] On Behalf Of Dmitriy Viner
Sent: Thursday, July 28, 2005 2:38 PM
To: jdom-interest at jdom.org
Subject: [jdom-interest] Adding attributes with XPath


Is it possible to add attributes with xpath expression?

jdom-interest-request at jdom.org wrote: 

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	Today's Topics:
	
	1. making XMLOutputter DTD-aware (Paul Libbrecht)
	2. XMLOutputter generates weird chars (Ivo J?nsk?)
	
	
	
----------------------------------------------------------------------
	
	Message: 1
	Date: Tue, 26 Jul 2005 17:05:40 +0200
	From: Paul Libbrecht 
	Subject: [jdom-interest] making XMLOutputter DTD-aware
	To: jdom-interest at jdom.org
	Message-ID: 
	Content-Type: text/plain; charset=US-ASCII; format=flowed
	
	
	hello list,
	
	I gave some cycles into making XMLOutputter DTD-aware.
	The reason for doing so is that we write XML-files with a
dtd-reference 
	with a large set of hidden information encoded in the DTD such
as 
	namespace for almost all elements. Most of these are attribute
default 
	values.
	Only using such an outputter I can claim that our authors' files
are 
	not changed too dramatically. Otherwise, each line is made twice
as big 
	and completely unreadable.
	
	Clearly using a finer-grained parsing (that would report wether
an 
	attribute is present or only "implied") would bring it all...
but such 
	fine-grained lexical analysis isn't available as far as I know.
	
	So I just adapted XMLOutputter to prevent the output of
attributes of 
	namespaces if equivalent to the DTD-specified values... seems to
be 
	working fine.
	
	I'd love providing this to the project. It is relying on Mark
Wutka's 
	DTD parser, now with an Apache-style-license, which is the only
usable 
	DTD-parser I found.
	Where could I drop such a submission ?
	
	Also I would have wished to subclass XMLOutputter but this
turned out 
	to be impossible... there are too many private methods that
needed to 
	be either re-used or overridden... not sure if that's solvable. 
	Currently, I just added "setDtd" and modified XMLOuputter's
methods 
	directly.
	
	paul
	
	
	
	------------------------------
	
	Message: 2
	Date: Tue, 26 Jul 2005 18:48:31 +0200
	From: Ivo J?nsk? 
	Subject: [jdom-interest] XMLOutputter generates weird chars
	To: jdom-interest at jdom.org
	Message-ID: <200507261848.32113.linux4life at seznam.cz>
	Content-Type: text/plain; charset="us-ascii"
	
	Hi,
	
	when I run the following code:
	
	//in ! the xml variable (java.lang.String) is the actual XML
code
	
	SAXBuilder builder = new
SAXBuilder("org.apache.xerces.parsers.SAXParser", false);
	Document document = builder.build(new
ByteArrayInputStream(xml.toBytes()));
	
	Format format = Format.getPrettyFormat();
	XMLOutputter fmt = new XMLOutputter(format);
	xml = fmt.outputString(document);
	System.out.println(xml);
	
	I see this in the console:
	
	
	
	
	
	
	http://service.ariba.com/cgi/orders.cgi
	
	
	http://service.ariba.com/cgi/PunchOut.cgi
	
	
	
	
	
	but I should see this:
	
	
	
	
	
	
	http://service.ariba.com/cgi/orders.cgi
	
	
	http://service.ariba.com/cgi/PunchOut.cgi
	
	
	
	
	
	the difference?
	a-dtype=... should not be there
	
	I just can't figure out what is wrong. Any ideas?
	
	
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	End of jdom-interest Digest, Vol 12, Issue 10
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Sincerely Dmitriy Viner

E-Mail: dxv7027 at yahoo.com

Cell Phone: 716-415-3096

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