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fix: provide factory method for jackson to deserialize authorities

Merged fix: provide factory method for jackson to deserialize authorities
npblair/uw-spring-security:deserialize-authorities into master
Merged Nicholas Blair requested to merge npblair/uw-spring-security:deserialize-authorities into master
  1. Aug 24, 2016
    • Nicholas Blair's avatar
      fix: provide factory method for jackson to deserialize authorities · a2e2e92f
      Nicholas Blair authored 
      @JsonProperty won't work with the abstract '? extends GrantedAuthority' type, as Jackson doesn't have a constructor or factory to convert a string into a concrete implementation.

This change adds a factory method which takes a Collection<String> (which Jackson can understand) and uses Spring Security's utility method to convert the Collection of Strings to a Collection of GrantedAuthority instances.

Note: the 'Amy Administrator' user provided by the 'local-users.json|yaml' file is no longer strictly equivalent to those provided in 'local-users.properties'. See adi-ia/uw-spring-security#5; correcting that seems to be outside of the scope of a bugfix, as it will result in something that likely requires a new feature release.
      a2e2e92f