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Validator.kt
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Validator.kt
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package util
import view.OutputView
class Validator {
fun checkNames(names: String?) {
checkNameNull(names)
for (name in names!!.split(",")) {
checkName(name.trim())
}
}
fun checkName(name: String?) {
checkNameNull(name)
checkNameEmpty(name!!)
checkNameSize(name)
checkNameRight(name)
}
fun checkTryNumber(name: String?) {
checkTryNumberNull(name)
checkTryNumberIsRight(name ?: "")
}
private fun checkNameNull(name: String?) {
require(name != null) { OutputView().outputErrorMessage(Constants.INPUT_NAME_NULL_ERROR_MESSAGE) }
}
private fun checkNameSize(name: String) {
require(name.length < 5) { OutputView().outputErrorMessage(Constants.INPUT_NAME_SIZE_ERROR_MESSAGE) }
}
private fun checkNameEmpty(name: String) {
require(name != "") { OutputView().outputErrorMessage(Constants.INPUT_NAME_NULL_ERROR_MESSAGE) }
}
private fun checkNameRight(name: String) {
require(name.contains("^[a-zA-Z가-힣]*$".toRegex())) { OutputView().outputErrorMessage(Constants.INPUT_NAME_RIGHT_ERROR_MESSAGE) }
}
private fun checkTryNumberNull(number: String?) {
require(number != null) { OutputView().outputErrorMessage(Constants.INPUT_TRY_NUMBER_NULL_ERROR_MESSAGE) }
}
private fun checkTryNumberIsRight(number: String) {
require(
number.isNotEmpty() && number.chars().allMatch { Character.isDigit(it) }) {
OutputView().outputErrorMessage(
Constants.INPUT_TRY_NUMBER_RIGHT_ERROR_MESSAGE
)
}
}
}