Class: ActionDispatch::ExceptionWrapper

Inherits:
Object
  • Object
show all
Defined in:
lib/action_dispatch/middleware/exception_wrapper.rb

Constant Summary collapse

@@rescue_responses = 
Hash.new(:internal_server_error)
@@rescue_templates = 
Hash.new('diagnostics')

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(env, exception) ⇒ ExceptionWrapper

Returns a new instance of ExceptionWrapper.



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# File 'lib/action_dispatch/middleware/exception_wrapper.rb', line 32

def initialize(env, exception)
  @env = env
  @exception = original_exception(exception)

  expand_backtrace if exception.is_a?(SyntaxError) || exception.try(:original_exception).try(:is_a?, SyntaxError)
end

Instance Attribute Details

#env ⇒ Object (readonly)

Returns the value of attribute env.



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# File 'lib/action_dispatch/middleware/exception_wrapper.rb', line 30

def env
  @env
end

#exception ⇒ Object (readonly)

Returns the value of attribute exception.



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# File 'lib/action_dispatch/middleware/exception_wrapper.rb', line 30

def exception
  @exception
end

#file ⇒ Object (readonly)

Returns the value of attribute file.



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# File 'lib/action_dispatch/middleware/exception_wrapper.rb', line 30

def file
  @file
end

#line_number ⇒ Object (readonly)

Returns the value of attribute line_number.



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# File 'lib/action_dispatch/middleware/exception_wrapper.rb', line 30

def line_number
  @line_number
end

Class Method Details

.status_code_for_exception(class_name) ⇒ Object 



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# File 'lib/action_dispatch/middleware/exception_wrapper.rb', line 59

def self.status_code_for_exception(class_name)
  Rack::Utils.status_code(@@rescue_responses[class_name])
end

Instance Method Details

#application_trace ⇒ Object 



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# File 'lib/action_dispatch/middleware/exception_wrapper.rb', line 47

def application_trace
  clean_backtrace(:silent)
end

#framework_trace ⇒ Object 



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# File 'lib/action_dispatch/middleware/exception_wrapper.rb', line 51

def framework_trace
  clean_backtrace(:noise)
end

#full_trace ⇒ Object 



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# File 'lib/action_dispatch/middleware/exception_wrapper.rb', line 55

def full_trace
  clean_backtrace(:all)
end

#rescue_template ⇒ Object 



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# File 'lib/action_dispatch/middleware/exception_wrapper.rb', line 39

def rescue_template
  @@rescue_templates[@exception.class.name]
end

#source_extract ⇒ Object 



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# File 'lib/action_dispatch/middleware/exception_wrapper.rb', line 63

def source_extract
  if application_trace && trace = application_trace.first
    file, line, _ = trace.split(":")
    @file = file
    @line_number = line.to_i
    source_fragment(@file, @line_number)
  end
end

#status_code ⇒ Object 



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# File 'lib/action_dispatch/middleware/exception_wrapper.rb', line 43

def status_code
  self.class.status_code_for_exception(@exception.class.name)
end