設計與實作SOAP服務與RESTful服務之整合方法｜國立中央大學博碩士論文系統

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研究生：	彭育彥 Yu-Yen Peng
論文名稱：	設計與實作SOAP服務與RESTful服務之整合方法 Design and Implementation of a Framework to Integrate SOAP Services and RESTful Services
指導教授：	李允中 Jonathan Lee
口試委員:
學位類別：	碩士 Master
系所名稱：	資訊電機學院 - 資訊工程學系 Department of Computer Science & Information Engineering
畢業學年度：	97
語文別：	中文
論文頁數：	73
中文關鍵詞：	網際服務、服務導向架構、商業流程執行語言、REST服務
外文關鍵詞：	BPEL, SOA, SOAP service, RESTful service, web service
相關次數：	點閱：13 下載：0
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現今Web 2.0網站所提供的網際服務(Web service)大多是屬於REST型態的服務。REST(REpresentational State Transfer)服務是一種輕型態的網際服務，其是利用HTTP方法來存取特定的資源。對於服務導向架構的應用服務來說，由於其應用服務的核心是商業流程執行語言(BPEL)，但由於BPEL目前沒有辦法能夠支援REST型態的網際服務，所以服務導向架構的應用服務並無法利用REST型態的網際服務資源。
故本研究提出一個經由BPEL整合REST型態的服務的架構，用以整合REST以及服務導向架構之資源。將REST服務透過轉換，成為SOAP服務，讓BPEL能夠使用轉換後的SOAP服務來呼叫使用該REST服務，並能夠讓服務開發者佈署其混搭服務給予客戶使用。

　At presence, Web 2.0 concept has widely accepted and realized by most of new websites. Web 2.0 brings more user-involved interactions, and harnesses the power of collective intelligence. Many software companies provide their Web 2.0 websites, like YouTube, Flickr, Delicious…etc. We found that the most services provided by a Web 2.0 website are not SOAP services but REST-style web services, called RESTful services. More and more service providers publish their services in REST fashion. Meanwhile, Service-Oriented Architecture already becomes a standard of building web application, and SOAP service is the solution of web services. The core of SOA-based application is service composition, and BPEL is the standard of service composition. However BPEL could not integrate RESTful services directly for now.
　Hence, we propose a framework to integrate SOAP services and RESTful services through BPEL engine enhancements. Service developers could utilize the framework to publish their composite services.

摘要 ................................................................................................................................. ii
ABSTRACT .................................................................................................................... iii
目 錄 ............................................................................................................................. iv
圖目錄 ............................................................................................................................. vi
表目錄 ........................................................................................................................... viii
第一章 緒論 .................................................................................................................... 1
1-1 引言 ................................................................................................................... 1
1-2 動機 ................................................................................................................... 2
1-3 論文架構........................................................................................................... 3
第二章 背景知識介紹 ................................................................................................... 4
2-1 Web 2.0 .............................................................................................................. 4
2-2 Representational State Transfer, REST ............................................................ 5
2-3 Web Application Description Language, WADL[5,7] ..................................... 7
2-4 WADL Designer[8] ............................................................................................ 8
2-5 WADL2Java[7] .................................................................................................. 9
2-6 Mashup Style ................................................................................................... 10
2-7 Service-Oriented Architecture ........................................................................ 12
2-8 Business Process Execution Language, BPEL .............................................. 12
2-9 Apache Axis[1,11] ........................................................................................... 13
2-10 Apache Ant[12] .............................................................................................. 14
第三章 系統需求與設計 ............................................................................................. 15
3-1 系統需求(System Requirement) ................................................................... 15
3-2 系統架構(System Architecture) .................................................................... 17
3-3 系統概觀(System Overview) ........................................................................ 19
3-4 RESTful服務發佈為SOAP服務之流程..................................................... 20
3-5 細部設計(Detailed Design) ........................................................................... 21
3-5-1 RESTful Service Publisher .................................................................. 21
3-5-2 WADL Convertor ................................................................................. 23
3-5-2-1 WADL Validator ....................................................................... 24
3-5-2-2 WADLTreeBuilder .................................................................... 25
3-5-2-3 WADL2Java[7] ......................................................................... 29
3-5-3 Proxy Generator ................................................................................... 30
3-5-3-1 ProxyFunctionBuilder .............................................................. 33
3-5-3-2 Mapper ...................................................................................... 37
3-5-3-3 JClassGenerator ........................................................................ 41
3-5-4 REST2SOAP Deployment Assistant ................................................... 42
第四章 系統實作 .......................................................................................................... 45
4-1 發佈RESTful服務 ........................................................................................ 45
4-2 藝文網站......................................................................................................... 49
4-2-1 藝文網站說明 ..................................................................................... 50
4-2-2 藝文搜尋 ............................................................................................. 51
第五章 相關文獻探討 ................................................................................................. 55
5-1 RESTful Web Service Composition with BPEL for REST[17] .................... 55
5-2 Bite[18] ............................................................................................................ 58
5-3 BPEL for REST、Bite及本架構之比較 ...................................................... 59
5-4 其他 ................................................................................................................. 59
第六章 結論 .................................................................................................................. 61
6-1 本架構之優點 ................................................................................................ 61
6-2 未來研究......................................................................................................... 62
參考文獻 ........................................................................................................................ 63

                                

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[16]Google Maps API, Google, http://code.google.com/intl/zh-TW/apis/maps/documentation/index.html
[17]Cesare Pautasso, “RESTful Web service composition with BPEL for REST”, Volume 68, Issue 9, September 2009, Pages 851-866
[18]F. Curbera, M. Duftler, R. Khalaf, D. Lovell, Bite: workflow composition for the web, in: Proceedings of the Fifth International Conference on Service-Oriented Computing (ICSOC 2007), Vienna, Austria, 2007.
[19]Apache ODE, http://ode.apache.org/wsdl-11-extensions-for-rest.html
[20]JOpera: Autonomic Service Orchestration, Pautasso, C.; Heinis, T.; Alonso, G. , IEEE Data Engineering Bulletin, September 2006, Volume 29, Issue 3, (2006)

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