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Writing a Custom Claims Provider for SharePoint 2010 - Part 4: Supporting Resolve Name

Writing a Custom Claims Provider for SharePoint 2010 - Part 4: Supporting Resolve Name

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In the first three parts of this series we've implemented just about all of the support needed to do an end-to-end claims provider.  In this last post I'll describe how to name resolution support in the type-in control.  To add this support we'll need to implement the following property and methods:  SupportsResolve and FillResolve.  Now the good news is that I already covered how to implement SupportsResolve and one of the FillResolve overloads in part 3.  So this posting will be pretty short - here's the implementation for the other overload of FillResolve that was not covered in part 3:
protected override void FillResolve(Uri context, string[] entityTypes,
      string resolveInput,
      List<Microsoft.SharePoint.WebControls.PickerEntity> resolved)

//make sure picker is asking for the type of entity we
//return; site collection admin won't for example
if (!EntityTypesContain(entityTypes, SPClaimEntityTypes.FormsRole))

//same sort of code as in search to validate we have a match
foreach (string team in ourTeams)
      if (team.ToLower() == resolveInput.ToLower())
            //we have a match, create a matching entity
            PickerEntity pe = GetPickerEntity(team);
            //add it to the return list of picker entries
If you've been following along then this chunk of code should be completely straightforward.  If it isn't, then read through part 3 again. 
We are now code complete.  If I bring up the type-in control and enter a team name and then click the resolve button, here's what it looks like - first when you type it in, and then after clicking the resolve button:
And with that, we're done.  Hopefully you will find this information useful as you start building out your claims authentication plans.
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