An Approach to Internal Domain-Specific Languages in Java

An Approach to Internal Domain-Specific Languages in Java
from author of Fest-Assert [here, here].

P.S. Fest-Assert is good example of Internal DSL in Java. In some sence is competitor of Hamcrest.

P.P.S. Yeep, i like Internal DSL and wrote about it: here about ApacheCamel, here about Hamcrest.