def end_element(name)
case name
when 'instanceId'
@instance[name] = value
when 'item'
@response['instancesSet'] << @instance
@instance = { 'previousState' => {}, 'currentState' => {} }
when 'code'
if @in_previous_state
@instance['previousState'][name] = value.to_i
elsif @in_current_state
@instance['currentState'][name] = value.to_i
end
when 'name'
if @in_previous_state
@instance['previousState'][name] = value
elsif @in_current_state
@instance['currentState'][name] = value
end
when 'previousState'
@in_previous_state = false
when 'requestId'
@response[name] = value
when 'currentState'
@in_current_state = false
end
end