com.ing.baker.recipe.javadsl.ReflectionHelpers.scala Maven / Gradle / Ivy
package com.ing.baker.recipe.javadsl
import java.lang.annotation.Annotation
import java.lang.reflect.{Method, Type}
import com.ing.baker.recipe.{annotations, common}
import com.thoughtworks.paranamer.AnnotationParanamer
object ReflectionHelpers {
implicit class MethodReflectionAdditions(method: Method) {
lazy val paramamer = new RequiresAnnotationParanamer()
lazy val getParameterNames = paramamer.lookupParameterNames(method)
def parameterTypeForName(name: String): Option[Type] =
getParameterNames.indexWhere(_ == name) match {
case -1 => None
case n => Some(method.getGenericParameterTypes.apply(n))
}
}
class RequiresAnnotationParanamer extends AnnotationParanamer {
override def getNamedValue(annotation: Annotation): String = {
val annotationType = annotation.annotationType()
if (annotationType.equals(classOf[annotations.RequiresIngredient]))
annotation.asInstanceOf[annotations.RequiresIngredient].value()
else if (annotationType.equals(classOf[annotations.ProcessId]))
common.ProcessIdName
else annotationType.getSimpleName
}
override def isNamed(annotation: Annotation): Boolean = true
}
}