diff options
author | Christoph Helma <helma@in-silico.ch> | 2012-08-01 14:56:08 +0200 |
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committer | Christoph Helma <helma@in-silico.ch> | 2012-08-01 14:56:08 +0200 |
commit | 32ad3c8f6e1e16cfe9fd59a47df6b560ffb13ddd (patch) | |
tree | a9b36b58e546cb7bbfd2f9f3c4a16de32abbaa9e /lib/error.rb | |
parent | fc0397cd0d51df4fe7c23f601c2f211c2ebfbf77 (diff) |
task error handling improved
Diffstat (limited to 'lib/error.rb')
-rw-r--r-- | lib/error.rb | 56 |
1 files changed, 31 insertions, 25 deletions
diff --git a/lib/error.rb b/lib/error.rb index d1abe52..84918b7 100644 --- a/lib/error.rb +++ b/lib/error.rb @@ -7,43 +7,49 @@ class RuntimeError super message @uri = uri @http_code ||= 500 - $logger.error "\n"+self.to_turtle + @rdf = RDF::Graph.new + subject = RDF::Node.new + @rdf << [subject, RDF.type, RDF::OT.ErrorReport] + @rdf << [subject, RDF::OT.actor, @uri.to_s] + @rdf << [subject, RDF::OT.message, message.to_s] + @rdf << [subject, RDF::OT.statusCode, @http_code] + @rdf << [subject, RDF::OT.errorCode, self.class.to_s] + @rdf << [subject, RDF::OT.errorCause, short_backtrace] + $logger.error("\n"+self.to_turtle) end - # define to_ methods for all RuntimeErrors and various rdf formats - RDF_FORMATS.each do |format| + def short_backtrace + backtrace = caller.collect{|line| line unless line =~ /#{File.dirname(__FILE__)}/}.compact + cut_index = backtrace.find_index{|line| line.match /sinatra|minitest/} + cut_index ||= backtrace.size + cut_index -= 1 + cut_index = backtrace.size-1 if cut_index < 0 + backtrace[0..cut_index].join("\n") + end + RDF_FORMATS.each do |format| + # rdf serialization methods for all formats e.g. to_rdfxml send :define_method, "to_#{format}".to_sym do - rdf = RDF::Writer.for(format).buffer do |writer| - # TODO: not used for turtle - # http://rdf.rubyforge.org/RDF/Writer.html# - writer.prefix :ot, RDF::URI('http://www.opentox.org/api/1.2#') - writer.prefix :ot1_1, RDF::URI('http://www.opentox.org/api/1.1#') - subject = RDF::Node.new - writer << [subject, RDF.type, RDF::OT.ErrorReport] - writer << [subject, RDF::OT.actor, @uri.to_s] - writer << [subject, RDF::OT.message, message.to_s] - writer << [subject, RDF::OT.statusCode, @http_code] - writer << [subject, RDF::OT.errorCode, self.class.to_s] - - # cut backtrace - backtrace = caller.collect{|line| line unless line =~ /#{File.dirname(__FILE__)}/}.compact - cut_index = backtrace.find_index{|line| line.match /sinatra|minitest/} - cut_index ||= backtrace.size - cut_index -= 1 - cut_index = backtrace.size-1 if cut_index < 0 - details = backtrace[0..cut_index].join("\n") - writer << [subject, RDF::OT.errorCause, details] + RDF::Writer.for(format).buffer do |writer| + @rdf.each{|statement| writer << statement} end - rdf end + end + def to_turtle # redefine to use prefixes (not supported by RDF::Writer) + prefixes = {:rdf => "http://www.w3.org/1999/02/22-rdf-syntax-ns#"} + ['OT', 'DC', 'XSD', 'OLO'].each{|p| prefixes[p.downcase.to_sym] = eval("RDF::#{p}.to_s") } + RDF::N3::Writer.for(:turtle).buffer(:prefixes => prefixes) do |writer| + @rdf.each{|statement| writer << statement} + end end + end module OpenTox class Error < RuntimeError + def initialize code, message, uri=nil @http_code = code super message, uri @@ -72,7 +78,7 @@ module OpenTox # define global methods for raising errors, eg. bad_request_error Object.send(:define_method, klass.underscore.to_sym) do |message,uri=nil| - raise c, message, uri + raise c.new(message, uri) end end |