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irsdemo: Print more helpful error message when no role is specified (was NPE)

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Andras Slemmer 2016-07-11 15:57:41 +01:00
parent 4b962eeb1f
commit 144f88e0d0
1 changed files with 1 additions and 1 deletions
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2
src/main/kotlin/com/r3corda/demos/IRSDemo.kt
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@ -197,7 +197,7 @@ sealed class CliParams {
}
fun parse(options: OptionSet): CliParams {
val role = options.valueOf(CliParamsSpec.roleArg)!!
val role: IRSDemoRole = options.valueOf(CliParamsSpec.roleArg) ?: throw IllegalArgumentException("Please provide a role")
return when (role) {
IRSDemoRole.SetupNodeA -> parseSetupNode(options, IRSDemoNode.NodeA)
IRSDemoRole.SetupNodeB -> parseSetupNode(options, IRSDemoNode.NodeB)