Spray Directives: Custom Directives, Part Two: flatMap

Our last post covered custom Spray Directives. We’re going to expand our UUID directive a little further. Generating a unique ID per request is great, but what if we want the client to pass in an existing unique identifier to act as a correlation id between systems?

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Spray Directives: Creating Your Own, Simple Directive

The spray-routing package provides an excellent dsl for creating restful api’s with Scala and Akka. This dsl is powered by directives, small building blocks you compose to filter, process and compose requests and responses for your API. Building your own directives lets you create reusable components for your application and better organize your application.

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