Re: Problems with NSXMLOutputStream
Re: Problems with NSXMLOutputStream
- Subject: Re: Problems with NSXMLOutputStream
- From: Eric Hermanson <email@hidden>
- Date: Thu, 10 Jul 2003 18:47:26 -0700
I've answered a few of my own questions:
First, in order to get the XSL transformer referred to at:
http://developer.apple.com/documentation/WebObjects/XML_Serialization/
Listings/chapter_8_section_4.html
to indent, you need to set the indent-amount property by chaging the
following line in the XML file:
<xsl:output method="xml" encoding="UTF-8" omit-xml-declaration="no"
indent="yes"/>
to:
<xsl:output method="xml" encoding="UTF-8" omit-xml-declaration="no"
indent="yes" xmlns:xalan="http://xml.apache.org/xslt";
xalan:indent-amount="4"/>
Second, if you're not using an XSL transformer then NSXMLOutputStream
will use it's outputFormat() to format out the XML. NSOutputFormat
indents by default, but NSXMLOutputStream evidently overrides this
indenting and sets it to false. Therefore, in order to get indenting
to work without an XSL transformer, you need to do:
outputStream.outputFormat().setIndenting(true)
Third, still haven't found a good XSL example that pretty-prints an
NSDictionary in a concise format. I might just end up modifying the
aforementioned XSL file if I can figure out how all this XSL stuff
works.
- Eric
On Thursday, July 10, 2003, at 02:52 PM, Han Ming Ong wrote:
IIRC, there should be an example in
/Developer/Examples/JavaWebObjects/XMLInteroperate
that shows that the output is indented (at least on my WO 5.2.1
system). As well, it has some XSLT scripts that demo'ed how transform
to more readable format (no reverse trip though, unfortunately).
HTH, Han Ming
On Thursday, July 10, 2003, at 01:58 PM, Eric Hermanson wrote:
I'm having a couple of problems with NSXMLOutputStream and I wondered
if anyone else has found solutions?
1. The output stream seems to spit out very unreadable XML in that
there is no indentation, and even no spaces, between the elements.
This is all despite the fact that I've set the outputFormat to
setIndenting==true.
2. I have been trying to find a sample XSL transformation that will
pretty-print foundation level objects when they're written to XML
(NSArray, NSDictionary, etc). I found the following transformation
on the Apple documentation website but there are two problems with
it. First, it prints NSDictionaries in very verbose format (and I
would like a much more concise format like <myKey>myValue</myKey>.
Also, the XML output by this transformation doesn't seem to be
indented either (despite the fact that the XSL output is indent =
"yes").
See:
http://developer.apple.com/documentation/WebObjects/
XML_Serialization/Listings/chapter_8_section_4.html
So... has anyone written a nice foundation kit XSL transformer, or
found the workaround for the indentation/spacing issues in
NSXMLOutputStream?
Thanks,
Eric
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