题目内容
AdeveloperhascreatedaspecialservletthatisresponsibleforgeneratingXMLcontentthatissenttoadatawarehousingsubsystem.ThissubsystemusesHTTPtorequesttheselargedatafiles，whichare compressedbytheservlettosaveinternalnetworkbandwidth.Thedeveloperhasreceivedarequestfrommanagementtocreateseveralmoreofthesedatawarehousingservlets.Thedeveloperisabouttocopyandpastethecompressioncodeintoeachnewservlet.
Whichdesignpatterncanconsolidatethiscompressioncodetobeusedbyallofthedatawarehousingservlets？（）
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