Class: ExceptionSerializer

Inherits:
Object
  • Object
show all
Defined in:
lib/javonet-ruby-sdk/utils/exceptions/exception_serializer.rb

Class Method Summary collapse

Class Method Details

.append_to_string(string, value) ⇒ Object 



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# File 'lib/javonet-ruby-sdk/utils/exceptions/exception_serializer.rb', line 60

def self.append_to_string(string, value)
  if value.nil?
    string << "undefined"
  else
    string << value
  end
end

.get_exception_code(exception_name) ⇒ Object 



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# File 'lib/javonet-ruby-sdk/utils/exceptions/exception_serializer.rb', line 94

def self.get_exception_code(exception_name)
  case exception_name
  when "Exception"
    return ExceptionType::EXCEPTION
  when "IOError"
    return ExceptionType::IO_EXCEPTION
  when "Errno::ENOENT"
    return ExceptionType::FILE_NOT_FOUND_EXCEPTION
  when "RuntimeError"
    return ExceptionType::RUNTIME_EXCEPTION
  when "ZeroDivisionError"
    return ExceptionType::ARITHMETIC_EXCEPTION
  when "ArgumentError"
    return ExceptionType::ILLEGAL_ARGUMENT_EXCEPTION
  when "IndexError"
    return ExceptionType::INDEX_OUT_OF_BOUNDS_EXCEPTION
  when "TypeError"
    return ExceptionType::NULL_POINTER_EXCEPTION
  else
    return ExceptionType::EXCEPTION
  end
end

.parse_stack_frame(stack_frame) ⇒ Object 



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# File 'lib/javonet-ruby-sdk/utils/exceptions/exception_serializer.rb', line 68

def self.parse_stack_frame(stack_frame)
  match = /^(.+):(\d+):in [`'](.+)[`']$/.match(stack_frame)
  return ["undefined", "undefined", "undefined", "undefined"] if match.nil?

  stack_file, stack_line, method_info = match.captures

  case method_info
  when /^(.+)#(.+)$/
    stack_class = $1.split('::').last || 'undefined'
    stack_method = $2
  when /^(.+)\.(.+)$/
    # handle Class.method
    stack_class = $1.split('::').last || 'undefined'
    stack_method = $2
  when /^<(.+)>$/
    stack_class = 'undefined'
    stack_method = "<#{$1}>"
  else
    # no class information — e.g. top-level method or block
    stack_class = 'undefined'
    stack_method = method_info
  end

  [stack_file, stack_class, stack_line, stack_method]
end

.serialize_exception(exception, command) ⇒ Object 



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# File 'lib/javonet-ruby-sdk/utils/exceptions/exception_serializer.rb', line 5

def self.serialize_exception(exception, command)
  exception_command = Command.new(command.runtime_name, CommandType::EXCEPTION, [])
  begin
    stack_trace = exception.backtrace
    exception_message = exception.message
    exception_name = exception.class.to_s

    stack_classes = ""
    stack_methods = ""
    stack_lines = ""
    stack_files = ""
    if !stack_trace.nil? && !stack_trace.empty?
      stack_trace.each_with_index do |value, index|
        stack_file, stack_class, stack_line, stack_method = parse_stack_frame(value)
        unless stack_file.include?("javonet-ruby-sdk") or stack_file.include?("Binaries/Ruby")
          append_to_string(stack_classes, stack_class)
          append_to_string(stack_methods, stack_method)
          append_to_string(stack_lines, stack_line)
          append_to_string(stack_files, stack_file)
          if index != stack_trace.length - 1
            append_to_string(stack_classes, "|")
            append_to_string(stack_methods, "|")
            append_to_string(stack_lines, "|")
            append_to_string(stack_files, "|")
          end
        end
      end
    end

    exception_command = exception_command.add_arg_to_payload(get_exception_code(exception_name.to_s))
    exception_command = exception_command.add_arg_to_payload(command.to_string)
    exception_command = exception_command.add_arg_to_payload(exception_name.to_s)
    exception_command = exception_command.add_arg_to_payload(exception_message)
    exception_command = exception_command.add_arg_to_payload(stack_classes)
    exception_command = exception_command.add_arg_to_payload(stack_methods)
    exception_command = exception_command.add_arg_to_payload(stack_lines)
    exception_command = exception_command.add_arg_to_payload(stack_files)
  rescue Exception => e
    exception_command = Command.new(RuntimeNameJavonet::RUBY, CommandType::EXCEPTION, [])
    exception_command = exception_command.add_arg_to_payload(ExceptionType::EXCEPTION)
    if command.nil?
      exception_command = exception_command.add_arg_to_payload("Command is nil")
    else
      exception_command = exception_command.add_arg_to_payload(command.to_string)
    end
    exception_command = exception_command.add_arg_to_payload("Ruby Exception Serialization Error")
    exception_command = exception_command.add_arg_to_payload(e.message)
    exception_command = exception_command.add_arg_to_payload("ExceptionSerializer")
    exception_command = exception_command.add_arg_to_payload("serialize_exception")
    exception_command = exception_command.add_arg_to_payload("undefined")
    exception_command = exception_command.add_arg_to_payload(__FILE__)
  end
  exception_command
end