CHAPTER 12

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Plug-ins

Up until now, you have been a consumer of the Grails plug-in system at various points throughout the book. Plug-ins are very much a cornerstone of Grails. Grails itself is basically a plug-in runtime with little knowledge beyond how to load and configure an installed set of plug-ins. Most of the core of Grails is implemented as a suite of plug-ins for this runtime.

The Grails plug-in system is very flexible—so much so that it would be quite reasonable to write an entire book on the subject. In this chapter, we aim to summarize the core concepts and demonstrate some common use cases for the plug-in system. However, the full ...

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