SharePoint Tech Fest Houston 2015 - Moving from SOAP to REST
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If you’ve been developing client side applications or functionality using SPServices and the SOAP Web Services, sooner or later you’ll want to move to REST instead. This session takes the patterns shown in my article series on ITUnity and my blog and makes it real with real-world examples. There are some things you can do now to prepare for this eventuality, whether it’s part of an upgrade to SharePoint 2013 or simply because you’ve got “legacy” code that uses SOAP instead of REST. We’ll go through the decision points, specific code examples, and better practices.
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SharePoint Tech Fest Houston 2015 - Moving from SOAP to REST
- 3. series on ITUnity my blog
- 5. Deprecated Deprecated Endpoint /_vti_bin/listdata.svc /_api Deprecated TBD, but unified None SOAP REST
- 8. SOAP
- 9. SOAP REST
- 10. SOAPREST
- 11. SOAP Option (SPServices synonym) REST Comments ViewFields (CAMLViewFields) $select Choose the columns you would like to retrieve. With both SOAP and REST we get some data we don’t explicitly request, but by specifying only the columns we need we can reduce the payload sizes. Query (CAMLQuery) $filter, $orderby Specify which items in the list we would like to return and how we would like them sorted. RowLimit (CAMLRowLimit) $limit Say how many items matching the Query we would like to receive. In SOAP we can specify 0 to get all matching items; in REST we can omit the parameter to get all the matching items. Otherwise, we can specify any integer as the limit. ViewName (CAMLViewName) NA ViewName lets you choose the view you would like to get in the response. There’s no REST equivalent here. I’ve always discouraged using this option in SOAP because it’s too easy to change the view settings and cause unintended consequences. QueryOptions (CAMLQueryOptions) NA In SOAP, this lets us specify some options that change how the data is returned to us. For example, we can ask for all of the attachment URLs rather than just a Boolean which tells us that there are attachments. NA $expand This option in REST has no direct equivalent in SOAP. $expand allows us to indicate that we would like the values for a relationship - rather than just the indices - using a projection. This is important with Lookup columns and Person or Group columns.
- 14. JSON REST
- 16. We’ll look at live examples showing the different ways we can request data, along with conversion approaches.
- 17. SharePoint 2013 – CRUD on List Items Using REST Services & jQuery Get started with the SharePoint 2013 REST service Working with lists and list items with REST Use OData query operations in SharePoint REST requests OData.org
- 18. Email marc.anderson@sympraxisconsulting.com Twitter @sympmarc Blog http://sympmarc.com SPServices http://spservices.codeplex.com SPXSLT http://spxslt.codeplex.com Books http://sympmarc.com/books The Middle Tier Manifesto http://bit.ly/middletier