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Removing, deprecating and replacing usage of black/whitelist (#29254)

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Johan Andrén 2020-06-18 15:48:28 +02:00 • committed by GitHub
parent 25ea7b7f5e
commit 1e9e984727
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23 changed files with 168 additions and 144 deletions
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26
akka-docs/src/test/scala/docs/stream/operators/flow/StatefulMapConcat.scala
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@ -34,33 +34,33 @@ class StatefulMapConcat {
// #zip-with-index
}
def blacklist(): Unit = {
// #blacklist
val fruitsAndBlacklistCommands = Source(
"banana" :: "pear" :: "orange" :: "blacklist:banana" :: "banana" :: "pear" :: "banana" :: Nil)
def denylist(): Unit = {
// #denylist
val fruitsAndDeniedCommands = Source(
"banana" :: "pear" :: "orange" :: "deny:banana" :: "banana" :: "pear" :: "banana" :: Nil)
val blacklistingFlow = Flow[String].statefulMapConcat { () =>
var blacklist = Set.empty[String]
val denyFilterFlow = Flow[String].statefulMapConcat { () =>
var denyList = Set.empty[String]
{ element =>
if (element.startsWith("blacklist:")) {
blacklist += element.drop(10)
Nil // no element downstream when adding a blacklisted keyword
} else if (blacklist(element)) {
Nil // no element downstream if element is blacklisted
if (element.startsWith("deny:")) {
denyList += element.drop(10)
Nil // no element downstream when adding a deny listed keyword
} else if (denyList(element)) {
Nil // no element downstream if element is deny listed
} else {
element :: Nil
}
}
}
fruitsAndBlacklistCommands.via(blacklistingFlow).runForeach(println)
fruitsAndDeniedCommands.via(denyFilterFlow).runForeach(println)
// prints
// banana
// pear
// orange
// pear
// #blacklist
// #denylist
}
def reactOnEnd(): Unit = {