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-rw-r--r--lib/error.rb99
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diff --git a/lib/error.rb b/lib/error.rb
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+
+# adding additional fields to Exception class to format errors according to OT-API
+class Exception
+ attr_accessor :errorCause
+ def http_code; 500; end
+end
+
+module OpenTox
+
+ class BadRequestError < RuntimeError
+ def http_code; 400; end
+ end
+
+ class NotAuthorizedError < RuntimeError
+ def http_code; 401; end
+ end
+
+ class NotFoundError < RuntimeError
+ def http_code; 404; end
+ end
+
+ class ServiceUnavailableError < RuntimeError
+ def http_code; 503; end
+ end
+
+ class RestCallError < RuntimeError
+ attr_accessor :rest_params
+ def http_code; 502; end
+ end
+
+ class ErrorReport
+
+ # TODO replace params with URIs (errorCause -> OT.errorCause)
+ attr_reader :message, :actor, :errorCause, :http_code, :errorDetails, :errorType
+
+ private
+ def initialize( http_code, erroType, message, actor, errorCause, rest_params=nil, backtrace=nil )
+ @http_code = http_code
+ @errorType = erroType
+ @message = message
+ @actor = actor
+ @errorCause = errorCause
+ @rest_params = rest_params
+ @backtrace = backtrace
+ end
+
+ public
+ # creates a error report object, from an ruby-exception object
+ # @param [Exception] error
+ # @param [String] actor, URI of the call that cause the error
+ def self.create( error, actor )
+ rest_params = error.rest_params if error.is_a?(OpenTox::RestCallError) and error.rest_params
+ backtrace = error.backtrace.short_backtrace if CONFIG[:backtrace]
+ ErrorReport.new( error.http_code, error.class.to_s, error.message, actor, error.errorCause, rest_params, backtrace )
+ end
+
+ def self.from_rdf(rdf)
+ metadata = OpenTox::Parser::Owl.from_rdf( rdf, OT.ErrorReport ).metadata
+ ErrorReport.new(metadata[OT.statusCode], metadata[OT.errorCode], metadata[OT.message], metadata[OT.actor], metadata[OT.errorCause])
+ end
+
+ # overwrite sorting to make easier readable
+ def to_yaml_properties
+ p = super
+ p = ( p - ["@backtrace"]) + ["@backtrace"] if @backtrace
+ p = ( p - ["@errorCause"]) + ["@errorCause"] if @errorCause
+ p
+ end
+
+ def rdf_content()
+ c = {
+ RDF.type => [OT.ErrorReport],
+ OT.statusCode => @http_code,
+ OT.message => @message,
+ OT.actor => @actor,
+ OT.errorCode => @errorType,
+ }
+ c[OT.errorCause] = @errorCause.rdf_content if @errorCause
+ c
+ end
+
+ def to_rdfxml
+ s = Serializer::Owl.new
+ s.add_resource(CONFIG[:services]["opentox-task"]+"/tmpId/ErrorReport/tmpId", OT.errorReport, rdf_content)
+ s.to_rdfxml
+ end
+ end
+end
+
+class Array
+ def short_backtrace
+ short = []
+ each do |c|
+ break if c =~ /sinatra\/base/
+ short << c
+ end
+ short.join("\n")
+ end
+end