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class ActionDispatch::ExceptionWrapper

Attributes

[R] backtrace_cleaner
[R] exception
[R] exception_class_name
[R] wrapped_causes

Public class methods

Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 50
def initialize(backtrace_cleaner, exception)
  @backtrace_cleaner = backtrace_cleaner
  @exception_class_name = exception.class.name
  @wrapped_causes = wrapped_causes_for(exception, backtrace_cleaner)
  @exception = exception
  if exception.is_a?(SyntaxError)
    @exception = ActiveSupport::SyntaxErrorProxy.new(exception)
  end
  @backtrace = build_backtrace
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 175
def self.status_code_for_exception(class_name)
  Rack::Utils.status_code(@@rescue_responses[class_name])
end

Public instance methods

Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 101
def actions
  ActiveSupport::ActionableError.actions(@exception)
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 113
def annotated_source_code
  if exception.respond_to?(:annotated_source_code)
    exception.annotated_source_code
  else
    []
  end
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 135
def application_trace
  clean_backtrace(:silent)
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 89
def corrections
  @exception.corrections
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 204
def error_highlight_available?
  # ErrorHighlight.spot with backtrace_location keyword is available since
  # error_highlight 0.4.0
  defined?(ErrorHighlight) && Gem::Version.new(ErrorHighlight::VERSION) >= Gem::Version.new("0.4.0")
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 234
def exception_id
  exception.object_id
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 230
def exception_inspect
  exception.inspect
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 222
def exception_name
  exception.cause.class.to_s
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 129
def exception_trace
  trace = application_trace
  trace = framework_trace if trace.empty? && !silent_exceptions.include?(@exception_class_name)
  trace
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 77
def failures
  @exception.failures
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 93
def file_name
  @exception.file_name
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 139
def framework_trace
  clean_backtrace(:noise)
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 143
def full_trace
  clean_backtrace(:all)
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 73
def has_cause?
  @exception.cause
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 81
def has_corrections?
  @exception.respond_to?(:original_message) && @exception.respond_to?(:corrections)
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 97
def line_number
  @exception.line_number
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 226
def message
  exception.message
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 85
def original_message
  @exception.original_message
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 194
def rescue_response?
  @@rescue_responses.key?(exception.class.name)
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 121
def rescue_template
  @@rescue_templates[@exception_class_name]
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 61
def routing_error?
  @exception.is_a?(ActionController::RoutingError)
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 179
def show?(request)
  # We're treating `nil` as "unset", and we want the default setting to be `:all`.
  # This logic should be extracted to `env_config` and calculated once.
  config = request.get_header("action_dispatch.show_exceptions")

  case config
  when :none
    false
  when :rescuable
    rescue_response?
  else
    true
  end
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 198
def source_extracts
  backtrace.map do |trace|
    extract_source(trace)
  end
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 218
def source_to_show_id
  (traces[trace_to_show].first || {})[:id]
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 125
def status_code
  self.class.status_code_for_exception(unwrapped_exception.class.name)
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 69
def sub_template_message
  @exception.sub_template_message
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 65
def template_error?
  @exception.is_a?(ActionView::Template::Error)
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 210
def trace_to_show
  if traces["Application Trace"].empty? && rescue_template != "routing_error"
    "Full Trace"
  else
    "Application Trace"
  end
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 147
def traces
  application_trace_with_ids = []
  framework_trace_with_ids = []
  full_trace_with_ids = []

  full_trace.each_with_index do |trace, idx|
    trace_with_id = {
      exception_object_id: @exception.object_id,
      id: idx,
      trace: trace
    }

    if application_trace.include?(trace)
      application_trace_with_ids << trace_with_id
    else
      framework_trace_with_ids << trace_with_id
    end

    full_trace_with_ids << trace_with_id
  end

  {
    "Application Trace" => application_trace_with_ids,
    "Framework Trace" => framework_trace_with_ids,
    "Full Trace" => full_trace_with_ids
  }
end
Source code GitHub
# File actionpack/lib/action_dispatch/middleware/exception_wrapper.rb, line 105
def unwrapped_exception
  if wrapper_exceptions.include?(@exception_class_name)
    @exception.cause
  else
    @exception
  end
end

Definition files