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module AMQ
module Protocol
class Error < StandardError
DEFAULT_MESSAGE = "AMQP error".freeze
def self.inherited(subclass)
@_subclasses ||= []
@_subclasses << subclass
end # self.inherited(subclazz)
def self.subclasses_with_values
@_subclasses.select{ |k| defined?(k::VALUE) }
end # self.subclasses_with_values
def self.[](code)
if result = subclasses_with_values.detect { |klass| klass::VALUE == code }
result
else
raise "No such exception class for code #{code}" unless result
end # if
end # self.[]
def initialize(message = self.class::DEFAULT_MESSAGE)
super(message)
end
end
class FrameTypeError < Protocol::Error
def initialize(types)
super("Must be one of #{types.inspect}")
end
end
class EmptyResponseError < Protocol::Error
DEFAULT_MESSAGE = "Empty response received from the server."
def initialize(message = self.class::DEFAULT_MESSAGE)
super(message)
end
end
class BadResponseError < Protocol::Error
def initialize(argument, expected, actual)
super("Argument #{argument} has to be #{expected.inspect}, was #{data.inspect}")
end
end
class SoftError < Protocol::Error
def self.inherited(subclass)
Error.inherited(subclass)
end # self.inherited(subclass)
end
class HardError < Protocol::Error
def self.inherited(subclass)
Error.inherited(subclass)
end # self.inherited(subclass)
end
end
end
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