1 files changed, 47 insertions, 0 deletions
diff --git a/lib/opentox.rb b/lib/opentox.rb
new file mode 100644
index 0000000..1ba77dc
--- /dev/null
+++ b/lib/opentox.rb
@@ -0,0 +1,47 @@
+require 'sinatra/base'
+# Error handling
+# Errors are logged as error and formated according to acccept-header
+# Non OpenTox::Errors (defined in error.rb) are handled as internal error (500), stacktrace is logged
+# IMPT: set sinatra settings :show_exceptions + :raise_errors to false in config.ru, otherwise Rack::Showexceptions takes over
+
+module OpenTox
+  class Service < Sinatra::Base
+    set :raise_errors, false
+    set :show_exceptions, false
+    error do
+      #TODO: add actor to error report
+      #actor = "#{request.env['rack.url_scheme']}://#{request.env['HTTP_HOST']}#{request.env['REQUEST_URI']}"
+      error = request.env['sinatra.error']
+      case request.env['HTTP_ACCEPT']
+      when 'application/rdf+xml'
+        content_type 'application/rdf+xml'
+      when /html/
+        content_type 'text/html'
+      when "text/n3"
+        content_type "text/n3"
+      else
+        content_type "text/n3"
+      end
+      if error.respond_to? :report
+        code = error.report.http_code
+        case request.env['HTTP_ACCEPT']
+        when 'application/rdf+xml'
+          body = error.report.to_rdfxml
+        when /html/
+          body = error.report.to_yaml
+        when "text/n3"
+          body = error.report.to_ntriples
+        else
+          body = error.report.to_ntriples
+        end
+      else
+        content_type "text/plain"
+        body = error.message
+        body += "\n#{error.backtrace}"
+      end
+
+      halt code, body
+    end
+  end
+end
+