I'm trying to import an XML file via a web page in a Ruby on Rails application, the code ruby view code is as follows (I've removed HTML layout tags to make reading the code easier)
<% form_for( :fmfile, :url => '/fmfiles', :html => { :method => :post, :name => 'Form_Import_DDR', :enctype => 'multipart/form-data' } ) do |f| %>
<%= f.file_field :document, :accept => 'text/xml', :name => 'fmfile_document' %>
<%= submit_tag 'Import DDR' %>
<% end %>
Results in the following HTML form
The Form_Import_DDR method in the 'fmfiles_controller' is the code that does the hard work of reading the XML document in using REXML. The code is as follows
@fmfile = Fmfile.new
@fmfile.user_id = current_user.id
@fmfile.file_group_id = 1
@fmfile.name = params[:fmfile_document].original_filename
respond_to do |format|
if @fmfile.save
require 'rexml/document'
doc = REXML::Document.new(params[:fmfile_document].read)
doc.root.elements['File'].elements['BaseTableCatalog'].each_element('BaseTable') do |n|
@base_table = BaseTable.new
@base_table.base_table_create(@fmfile.user_id, @fmfile.id, n)
end
And it carries on reading all the different XML elements in.
I'm using Rails 2.1.0 and Mongrel 1.1.5 in Development environment on Mac OS X 10.5.4, site DB and browser on same machine.
My question is this. This whole process works fine when reading an XML document with character encoding UTF-8 but fails when the XML file is UTF-16, does anyone know why this is happening and how it can be stopped?
I have included the error output from the debugger console below, it takes about 5 minutes to get this output and the browser times out before the following output with the 'Failed to open page'
Processing FmfilesController#create (for 127.0.0.1 at 2008-09-15 16:50:56) [POST]
Session ID: BAh7CDoMdXNlcl9pZGkGOgxjc3JmX2lkIiVmM2I3YWU2YWI4ODU2NjI0NDM2
NTFmMDE1OGY1OWQxNSIKZmxhc2hJQzonQWN0aW9uQ29udHJvbGxlcjo6Rmxh
c2g6OkZsYXNoSGFzaHsABjoKQHVzZWR7AA==--dd9f588a68ed628ab398dd1a967eedcd09e505e0
Parameters: {"commit"=>"Import DDR", "authenticity_token"=>"3da97372885564a4587774e7e31aaf77119aec62", "action"=>"create", "fmfile_document"=>#, "controller"=>"fmfiles"}
[4;36;1mUser Load (0.000350)[0m [0;1mSELECT * FROM "users" WHERE (id = 1) LIMIT 1[0m
[4;35;1mFmfile Create (0.000483)[0m [0mINSERT INTO "fmfiles" ("name", "file_group_id", "updated_at", "report_created_at", "report_link", "report_version", "option_on_open_account_name", "user_id", "option_default_custom_menu_set", "option_on_close_script", "path", "report_type", "option_on_open_layout", "option_on_open_script", "created_at") VALUES('TheTest_fp7 2.xml', 1, '2008-09-15 15:50:56', NULL, NULL, NULL, NULL, 1, NULL, NULL, NULL, NULL, NULL, NULL, '2008-09-15 15:50:56')[0m
REXML::ParseException (#
/Library/Ruby/Site/1.8/rexml/encodings/ICONV.rb:7:in `conv'
/Library/Ruby/Site/1.8/rexml/encodings/ICONV.rb:7:in `decode'
/Library/Ruby/Site/1.8/rexml/source.rb:50:in `encoding='
/Library/Ruby/Site/1.8/rexml/parsers/baseparser.rb:210:in `pull'
/Library/Ruby/Site/1.8/rexml/parsers/treeparser.rb:21:in `parse'
/Library/Ruby/Site/1.8/rexml/document.rb:190:in `build'
/Library/Ruby/Site/1.8/rexml/document.rb:45:in `initialize'
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