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REXML formatting help due to changes from 1.8.4 to 1.8.6

Wes Gamble

3/12/2008 9:17:00 PM

Apparently there was an overhaul of REXML formatting between Ruby 1.8.4
and 1.8.6.

The new formatting of XML that I'm generating with REXML is not being
consumed correctly by the consumer anymore.

Elements containing values were written out like this in 1.8.4:

<concurrency>1008</concurrency>

Now they are written out like this:

<concurrency>
1008
</concurrency>

How can I get the old behavior back? I see some mention of formatters -
so any hints on a good reference for how to use the formatters would be
welcome.

Thanks,
Wes
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1 Answer

Wes Gamble

3/12/2008 9:30:00 PM

0

(I see now there's been a lot of discussion about this ;])

SOLUTION:

I changed the following method (where @document is a XML doc. created by
REXML):

def write()
File.open("#{@file_path}", 'w') do |f|
@document.write(f, 0)
end
end

to:

def write()
formatter = REXML::Formatters::Default.new
File.open("#{@file_path}", 'w') do |f|
formatter.write(@document, f)
end
end

after making sure to require 'rexml/formatters/default' and I'm back in
business.

I can imagine that a lot of people have run into this, and given that
we're probably generating XML to communicate information to another
system, I'm sure it has spawned some consternation. Backwards
compatibility can be a tricky thing :).

Hope this helps,
Wes


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