class Seahorse::Client::Plugins::ResponseTarget::Handler

file.
response. We do not want to write an XML error message to someone’s
to not write data to the custom target in the case of a non-success
object with custom targets, such as a block, or a file. It is important
This handler is responsible for replacing the HTTP response body IO

def add_event_listeners(context, target) 

def add_event_listeners(context, target)
  handler = self
  context.http_response.on_headers(200..299) do
    context.http_response.body = handler.send(:io, target)
  end
  context.http_response.on_success(200..299) do
    body = context.http_response.body
    if ManagedFile === body && body.open?
      body.close
    end
  end
  context.http_response.on_error do
    body = context.http_response.body
    File.unlink(body) if ManagedFile === body
    context.http_response.body = StringIO.new
  end
end

def call(context) 

def call(context)
  if context.params.is_a?(Hash) && context.params[:response_target]
    target = context.params.delete(:response_target)
  else
    target = context[:response_target]
  end
  add_event_listeners(context, target) if target
  @handler.call(context)
end

def io(target) 

def io(target)
  case target
  when Proc then BlockIO.new(&target)
  when String, Pathname then ManagedFile.new(target, 'w+b')
  else target
  end
end