io.shiftleft.Implicits.scala Maven / Gradle / Ivy
package io.shiftleft
object Implicits {
/**
* A wrapper around a Java iterator that throws a proper NoSuchElementException.
*
* Proper in this case means an exception with a stack trace.
* This is intended to be used as a replacement for next() on the iterators
* returned from TinkerPop since those are missing stack traces.
*/
implicit class JavaIteratorDeco[T](iterator: java.util.Iterator[T]) {
def nextChecked: T = {
try {
iterator.next
} catch {
case _: NoSuchElementException =>
throw new NoSuchElementException()
}
}
def nextOption: Option[T] = {
if (iterator.hasNext) {
Some(iterator.next)
} else {
None
}
}
}
}