X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=sources%2Fhv-collector-commandline%2Fsrc%2Fmain%2Fkotlin%2Forg%2Fonap%2Fdcae%2Fcollectors%2Fveshv%2Fcommandline%2FWrongArgumentError.kt;h=3e4814f89ed69b799100e74bc0ae561afcc0df82;hb=c775e8677cdbf69f2b1c1390d225329c658c0ee2;hp=f3749b35549f3adffc6e753397a27fdb3987d094;hpb=c7a3e0738abf581640059587dbb81790339340c9;p=dcaegen2%2Fcollectors%2Fhv-ves.git

diff --git a/sources/hv-collector-commandline/src/main/kotlin/org/onap/dcae/collectors/veshv/commandline/WrongArgumentError.kt b/sources/hv-collector-commandline/src/main/kotlin/org/onap/dcae/collectors/veshv/commandline/WrongArgumentError.kt
index f3749b35..3e4814f8 100644
--- a/sources/hv-collector-commandline/src/main/kotlin/org/onap/dcae/collectors/veshv/commandline/WrongArgumentError.kt
+++ b/sources/hv-collector-commandline/src/main/kotlin/org/onap/dcae/collectors/veshv/commandline/WrongArgumentError.kt
@@ -19,7 +19,6 @@
  */
 package org.onap.dcae.collectors.veshv.commandline
 
-import arrow.core.Option
 import org.apache.commons.cli.HelpFormatter
 import org.apache.commons.cli.Options
 
@@ -53,17 +52,15 @@ data class WrongArgumentError(
     private fun getOptions() = cmdLineOptionsList.map { it.option }.fold(Options(), Options::addOption)
 
     companion object {
-        fun generateRequiredParametersNote(cmdLineOptionsList: List<CommandLineOption>): String {
-            val requiredParams = Option.fromNullable(cmdLineOptionsList.filter { it.required }
-                    .takeUnless { it.isEmpty() })
-            return requiredParams.fold(
-                    { "" },
-                    {
-                        it.map { commandLineOption -> commandLineOption.option.opt }
+        fun generateRequiredParametersNote(cmdLineOptionsList: List<CommandLineOption>): String =
+                cmdLineOptionsList.filter { it.required }.let { requiredParams ->
+                    if (requiredParams.isEmpty())
+                        ""
+                    else
+                        requiredParams.map { commandLineOption -> commandLineOption.option.opt }
                                 .joinToString(prefix = "Required parameters: ", separator = ", ")
-                    }
-            )
-        }
+                }
+
     }
 
 }