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(ATS3-PLAT02) Advanced SOAP and RESTful Services
(ATS3-PLAT02) Advanced SOAP and RESTful Services
(ATS3-PLAT02) Advanced SOAP and RESTful Services
(ATS3-PLAT02) Advanced SOAP and RESTful Services
(ATS3-PLAT02) Advanced SOAP and RESTful Services
(ATS3-PLAT02) Advanced SOAP and RESTful Services
(ATS3-PLAT02) Advanced SOAP and RESTful Services
(ATS3-PLAT02) Advanced SOAP and RESTful Services
(ATS3-PLAT02) Advanced SOAP and RESTful Services
(ATS3-PLAT02) Advanced SOAP and RESTful Services
(ATS3-PLAT02) Advanced SOAP and RESTful Services
(ATS3-PLAT02) Advanced SOAP and RESTful Services
(ATS3-PLAT02) Advanced SOAP and RESTful Services
(ATS3-PLAT02) Advanced SOAP and RESTful Services
(ATS3-PLAT02) Advanced SOAP and RESTful Services
(ATS3-PLAT02) Advanced SOAP and RESTful Services
(ATS3-PLAT02) Advanced SOAP and RESTful Services
(ATS3-PLAT02) Advanced SOAP and RESTful Services
(ATS3-PLAT02) Advanced SOAP and RESTful Services
(ATS3-PLAT02) Advanced SOAP and RESTful Services
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(ATS3-PLAT02) Advanced SOAP and RESTful Services

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The Accelrys Enterprise Platform provides a number of methods for calling remote HTTP-based services. This session will provided a brief overview of service integration components and guidance on what …

The Accelrys Enterprise Platform provides a number of methods for calling remote HTTP-based services. This session will provided a brief overview of service integration components and guidance on what to do with advanced integration scenarios. This talk will present a number of live example protocols that access SOAP and RESTful services.

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  • 1. (ATS3-PLAT02) Advanced SOAP and RESTful Services Integration Jason Benedict Sr. Architect, Platform R&D jason.benedict@accelrys.com
  • 2. The information on the roadmap and future software development efforts areintended to outline general product direction and should not be relied on in makinga purchasing decision.
  • 3. Pipeline Pilot Integration Points Client Integration Build clients that connect to Pipeline Pilot and run protocol services. Web Browser Run Protocol .NET Client Java Client SOAP Client Professional Client Command Line Web Port JavaScript Client Client JavaScript Client .NET Client REST API Java Client SDK Web Services API SDK SDK Pipeline Pilot Enterprise Server Web Apps Web Services API Admin Portal Help Portal Grid System Integration (optional) Protocol Runtime Environment VB Script VB Script Run SOAP & Telnet / ODBC / (On (On Java Perl Python .NET SSH / SCP Program HTTP FTP JDBC Client) Server) Java Perl .NET VB Script Cmd Line Classes Scripts ClassesServer Integration REST SOAP Cmd Line DBsExtend pipelines with new components that Service Serviceintegrate your code, data and services.
  • 4. Agenda• Intended Audience: Pipeline Pilot Protocol Authors and Component Developers• SOAP Services – SOAP Method – SOAP Method with WSDL Support (Queued) – SOAP Connector • Customization of parameters and template – Demos• RESTful services – Reader Components – HTTP Connector – Demos• Advanced Results handling – Data from XML, Data from JSON – Data Tree Manipulators – Demos
  • 5. Web Service Access Ease of Use“Wrapped” SOAP Connector HTTP Connector Perl/Java/.NETComponent Server Components • Scientific • Expert Pipeline • Expert Pipeline • Software Pipeline Pilot Pilot User Pilot User Developers User • Handles • Generic HTTP • Complex but • Abstracted Complex Web component flexible Component Services based • Great for direct • Leverage • Web Service on WSDL handling of Perl/Java/.NET underneath HTTP actions libraries and handles • Swiss Army tools complexity Knife for HTTP Complexity and Flexibility
  • 6. SOAP-based Web Services • SOAP Web Services – Messages usually sent over HTTP – Always a POST, body is XML SOAP Doc – Always includes “SOAP Action” header – Always set Content-Type to “text/xml” • WSDL – Binding defines how messages are sent (SOAP 1.1, 1.2, style, transport) – Port Type defines operations and messagse – XML schema defines the data types in messages • WS-Policy – Defines the Quality of Service features * - http://www.w3.org/TR/soap12-part0/ required by the service – Security , Addressing, etc.
  • 7. Accessing SOAP ServicesComponents Use When Don’t Use When / CaveatsSOAP Method • RPC-Encoded SOAP • Probably neverSOAP Method with WSDL Support • RPC-Encoded SOAP • DOC-LIT w/ Complex Types • DOC-Lit SOAP w/ Simple TypeSOAP Method with WSDL Support • Same as above, but when threading • Be careful with DOS attacks(Queued) is needed for through-putSOAP Connector • DOC-Lit SOAP w/ Complex Types • RPC-Encoded SOAP • Template flexibility is requiredHTTP Connector • Need to create and POST your own SOAP messages • Need custom handling of outputs • Need to customize HTTP settingsJava (On Server) • WS-Policy Requirements • Simpler methods will work.NET (On Server) • Attachments or MTOM • Generally requires package • Client stubs already exist deployment • All else fails • HTTP Proxy settings and authentication will not get picked up
  • 8. SOAP Service Demos• SOAP Method with WSDL Support (Queued)• SOAP Connector – Advanced XML Constructs with Amazon S3 Simulation
  • 9. Debugging SOAP Problems• Useful tools: – Capture SOAP Packets – TCPTrace.exe (http://www.pocketsoap.com/tcpTrace/) – SOAP UI (http://www.soapui.org/)• Socket debugging is available on the server – Contact support for details – Use sparingly since it very quickly creates huge log files – Turn it off as soon as you are finished
  • 10. RESTful Web Services• Resources identified by URL’s – http://localhost:9004/zoo/animals – http://localhost:9004/zoo/animals/13 – http://localhost:9004/chem/img/C1CCCCC1C(CCN)OH• Operations on resourced identified by VERBS: – GET = get a representation of the resource – PUT = update the resource given this data – POST = create a new resource of this type with this data – DELETE = delete the resource – HEAD = get some meta-data about the resource• Representation Format – Accept: application/xml – Content-Type: application/xml
  • 11. Accessing RESTful Web ServicesComponents Use When Don’t Use When / CaveatsXML Reader (Generic) • You want to GET a representation of • You want something other than GETJSON Reader a HTTP-based resource • You want another formatText ReaderBinary ReaderHTTP Connector • You need to perform any operation • You have HTTP requirements not but GET met by this component • You need to customize settings like timeout, headers or authorizationJava (On Server) • You have special HTTP requirements • Simpler methods will work.NET (On Server) • You have a pre-built client library • All else fails
  • 12. HTTP Connector• Swiss army knife for all HTTP• Sends one request per Data Record• Can be used for any type of HTTP Verb – GET, POST, PUT, DELETE, HEAD, TRACE, OPTIONS, etc. – specialized verbs as well, such as PROPFIND and MKCOL
  • 13. HTTP Connector – Internal Handling• HTTP communications from all standard components uses the same library – HTTP 1.1 – Basic, NTLM, and Negotiate Security • “Authentication Options” or username/password in URL • “Use Accelrys Credentials” allows single sign on from Pipeline Pilot Clients – Redirects on 300 responses – Works with Proxy servers (Administration Portal setup) – Decompress and dechunk based on Transfer and Content encodings – 100 Continue responses for requests with a body
  • 14. HTTP Connector - POST• Set Parameter names and values – Values are Pilotscript expressions • use Data Record properties – One HTTP request for each input data record • If no input, works like a Reader – Add additional parameters• FormMultipart or FormURLEncoded via “HTTP Post Method”
  • 15. HTTP Connector – Custom Options• Add or override most HTTP request headers – Cookies, Content-Type, etc. – Cannot override “Authorization” or “Allow” • Can now over-ride these headers in AEP 9.0• Custom request body – Disables the ability to set “Post Parameters”• Timeout
  • 16. HTTP Connector – Custom Options• Limit size of response via “Maximum Response Size” – Can also stream the data via “Maximum Property Size” – Think of this like a “buffer” in code – Only Data from XML and Data from JSON components understand this method• Return response headers – Parsing Cookies, Content-Type, etc.• Read as binary – Creates a ByteArrayValue property• Connection Options – Keep-Alive, Expect: 100, 403 servers as though they sent 401 – Allow error response codes to be treated as valid
  • 17. Demos• Accessing Simple RESTful Services• Using the HTTP Connector
  • 18. HTTP Connector –Debugging Tips• Useful browser plugins – Firefox: Live HTTP Headers – Firefox: RESTClient – Chrome: Advanced REST Client• Socket debugging is available on the server – Contact support for details – Use sparingly since it very quickly creates huge log files – Turn it off as soon as you are finished
  • 19. Summary• What we learned – Connecting to SOAP Services • SOAP Method Components • SOAP Connector • Results Handling • Debugging – Connecting to RESTful Services • Readers • HTTP Connectors • Results Handling • Debugging • Managing Links• Recommended Sessions – (ATS3-DEV05) Coding up Pipeline Pilot Components – (ATS3-DEV07) Pipeline Pilot as a Web Service Deployment Platform
  • 20. The information on the roadmap and future software development efforts areintended to outline general product direction and should not be relied on in makinga purchasing decision.For more information on the Accelrys Tech Summits and other IT & Developer information,please visit:https://community.accelrys.com/groups/it-dev

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