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Add NullListener to suppress nil exceptions when listener lookup is unsu... #14

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Add NullListener to suppress nil exceptions when listener lookup is unsu... #14

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Add NullListener to suppress nil exceptions when listener lookup is u…
peakxu Oct 6, 2014
e62f394
Print to stderr when listener is not available
peakxu Oct 7, 2014
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9 changes: 8 additions & 1 deletion lib/build_participant.rb
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Original file line number Diff line number Diff line change
@@ -1,5 +1,11 @@
require 'stringio'

class NullListener
def method_missing(meth, *args, &block)
$stderr.puts "[#{meth}] - #{args.join(',')}"
end
end

module BuildParticipant
def build
BuildContext.instance.build
Expand All @@ -10,7 +16,8 @@ def launcher
end

def listener
BuildContext.instance.listener
listener = BuildContext.instance.listener
listener.nil? ? NullListener.new : listener
end

def debug(line)
Expand Down