1 files changed, 75 insertions, 0 deletions
diff --git a/lib/error.rb b/lib/error.rb
new file mode 100644
index 0000000..e5c460d
--- /dev/null
+++ b/lib/error.rb
@@ -0,0 +1,75 @@
+
+# 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 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
+    
+    # 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 initialize( error, actor )
+      @http_code = error.http_code
+      @errorType = error.class.to_s
+      @message = error.message
+      @actor = actor
+      @errorCause = error.errorCause if error.errorCause
+      @rest_params = error.rest_params if error.is_a?(OpenTox::RestCallError) and error.rest_params
+      @backtrace = error.backtrace.join("\n") if CONFIG[:backtrace]
+    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 self.from_rdf(rdf)
+      raise "not yet implemented"
+    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
+\ No newline at end of file