Project 1 SOAP Extensions ---- 网页服务程序构件设计指要.docx

上传人:王** 文档编号:1401931 上传时间:2024-07-06 格式:DOCX 页数:5 大小:97.15KB
下载 相关 举报
Project 1 SOAP Extensions ---- 网页服务程序构件设计指要.docx_第1页
第1页 / 共5页
Project 1 SOAP Extensions ---- 网页服务程序构件设计指要.docx_第2页
第2页 / 共5页
Project 1 SOAP Extensions ---- 网页服务程序构件设计指要.docx_第3页
第3页 / 共5页
Project 1 SOAP Extensions ---- 网页服务程序构件设计指要.docx_第4页
第4页 / 共5页
Project 1 SOAP Extensions ---- 网页服务程序构件设计指要.docx_第5页
第5页 / 共5页
亲,该文档总共5页,全部预览完了,如果喜欢就下载吧!
资源描述

《Project 1 SOAP Extensions ---- 网页服务程序构件设计指要.docx》由会员分享,可在线阅读,更多相关《Project 1 SOAP Extensions ---- 网页服务程序构件设计指要.docx(5页珍藏版)》请在优知文库上搜索。

1、Project1SOAPExtensions-网页服务程序构件设计指要詹叔浩TheprojectrequiresapplicationdeveloperstoaddcreditcardpaymentfeatureintoanexistingretailsalessystemIbrachainstore.Stepbystep,thedocumenthighlightshow(odevelopapplicationofSOAPXM1.WebServicesandSOAPWebServices.Anddocumentwillissueimportantdetailsifyouworkonacompl

2、exsystemwhichcontainsbothWebServicesandXM1.WebServices.KEYWORDS:WebServices.XM1.WebServices.SOAP.SOAPExtensions,SOAHeadersModelofClientandServerSOAPCommunicationClientSideReferringto(hefigureabove,wewilladdfeatureofprocessingSOAPmessagetothebelowexistingSOAPWebServiceswithoutSOAPEXIenS沁ns.Also,theSO

3、APmassageincludescostumercreditcardinfosuchascardnumber. ASynehronoUSCailIoaWebmethoddoesnotblockothercallingswhilethiscalliswaitingforaresult.Wheneverdevelopercreatesaproxyclassonclientside.NETautomaticallyenablesasynchronouscallstoWebmethods. SerializationprocessesSOAPmessageandconvertsoneormoreme

4、ssageobjectstotheirXM1.reresentaUon. De-serializationprocessesSOAPmessageandconvertsoneormoremessageobjectstotheirbinaryrepresentation. SOAPRequestmeansaSOAPmessagesentfromclienttoserverforinvokingaWebInCIhod. SOAPResponsemeansaSOPmessagesentfromservertoclientwiththeresultsofaWebmethod.$1SolutionMod

5、elandAlgorithmReferringIothefigurebelow,(heblackdisksindicatewhereSOAPExtensionsperlb11n. TheXM1.WebServiceisnamed1.ookUpService. Theservice1.ookUpServiceexposesaWebmethodnamedRetrieveCardInfo. ThemethodRetiieveCaidInfotakescreditcardinfofromSQ1.serverdatabaseandreturnsit. Wecaptureandinspectandmlif

6、ySOAPmessageinWebmethtxlRetrieveCardInfo.ModelofClientandServerSO.PCommunicationWITHSoAPExtensions$2ThreeMajorCodingSteps1. WecreateHTTPandSOAPXM1.webser,iceusing.NETFramework(selectingConsoleApplication).2. WederiveSOAPExtensionsCIaSSeSfromSoapExtensionbaseclass.Thus,theclassesexposeanditnplenenthe

7、followingmethods:*Getlnitialize(tobecalledonetimewhenasoapextensionisfirstloaded),*Initialize(tobecalledeachtimeforeachcallingSOAPwebservice);*ChainStream(forinterceptingactualsoapmessagestream),and*ProcessMessage(tobecalledwihactualrequestandresponse).3. WeinterceptaSOAPmessageandcallmethodEncrplMe

8、ssageafterserializationstageandcallmethodDecryptMessagebeforedeserializationstage.$3TechnicalNotesWhydorselectSQAPExtensionsratherthanS。APheaderSinthisproject?ThiSprojectrequiresonlycaptureandPrOCCdUreOfconfideniiaiSOAPmessagesinsteadofsecurityconcernssuchasauthentication(Ex:usernameandpasswordfor,l

9、og-in)andauthorization(Ex:applicationrole)andencryption(Ex.convertingtextlosecretcode). SOAPCX)CnSiOnSareaclassIobeinvokedduringtheserializationordeserializationofSOAPmessageandtoallowdevelopertoinsertcustomer-owncodeintoSOAPrequestandresponseprocessloop.SOAPextensionsareusuallydeployedinpairswithma

10、tchinglheextensiononclientandserver. SOAPheadersareaclasslobederivedfromSoapHeaderbaseclassandrepresentlhedatainaparticularSOAPheader.SOAPheadershandleauthentication,encryption,andsigningdirectlyinSOAPmessages.$4WholePictureofVVebServicesandXM1.WebServicesShowingastheFigbelow,supposeanobjectofclient

11、applicationinteractswithoneobjectofanotherclientapplicationoverinternetandserverofwebservices.ReferringtotheSketchFigureonthelastpage,wediscussthetechnicaltermsbelow.(示意图) SOAP(SilnPlCObjectAccessProtocol)isastandardoencapsulatemessagesbetweenWebservicesSerVerandWebservicesclientwhenthemessageobject

12、s(aswellasmethodsandproperties)aretransmittedasXM1.formatthroughHTTPchannel.Remember,messageobjectscannobeinvoked! DiscoisaMicrosoftstandardtodiscoverdocumentsofWebservicesonserverbydirectoryconnectingtotheserver. UDDI(UniversalDescription.Discovery,andIntegration)isamultivendorstandardtodiscovercod

13、edetails(documents,classes,methods,andsoon)oftheWebservicesandotheronlinebusinesssericesbydirectoryvia(heInternet. VVSD1.(WebSerViCeDescription1.anguage)isastandardodescribetheinterfacebetweentheWebservicesandtheWebSerViCeSserver.InIact,WSD1.letdevelopertoretrieveinformationontheclassesandmethodssup

14、portedbyaparticularWebservice. Disco.exeisa100lrelatedIoDiscotodiscoverdocumentsofWebSerViCeSonserver. VVsd1.exemaycreatePrOXyClaSSconnecedloWebReferenCeforcommunicatingwithXM1.Webservice.Also,aIQCalProxyCIUSSconnectedtoWebReferencemaybecreatedforcommunicatingwithWebservice.Whendowcselectthetechniqu

15、esWsdl.cxc?TherearebothofWebserviceandXM1.Webserviceintheexistinginternetsystem.Andadevelopermayaddnew-bothsendeestotheexistingsystem. SOAPProxyToolisused(otestanddebugWebservicewithoutexecutingWebserviceclientapplication. XW1.wireformatistheStnictureofactualXM1.passedbetweenWebservicesserverandWebS

16、erViCeSclient.Byusingattributes,.NETallowsdevelopertotailorXM1.wireformatofSOAPmessageinordertointeroperatewithotherWebservicescomponentstonotbecreatedby.NETframeworkor.NETlanguage.(示意图)SketchFigureShowingArchitectureOfWebServiceandXM1.WebService(ContinuingtotheNextPage)ManulyCreateWsd1.exe.NETStudoAutoCfteDEVE1.OPERADDVVetSerVgCbertProduce1.ess

展开阅读全文
相关资源
猜你喜欢
相关搜索

当前位置:首页 > 高等教育 > 大学课件

copyright@ 2008-2023 yzwku网站版权所有

经营许可证编号:宁ICP备2022001189号-2

本站为文档C2C交易模式,即用户上传的文档直接被用户下载,本站只是中间服务平台,本站所有文档下载所得的收益归上传人(含作者)所有。装配图网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。若文档所含内容侵犯了您的版权或隐私,请立即通知装配图网,我们立即给予删除!