smithy4s.aws.SysEnv.scala Maven / Gradle / Ivy

Go to download
/*
 *  Copyright 2021-2024 Disney Streaming
 *
 *  Licensed under the Tomorrow Open Source Technology License, Version 1.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *     https://disneystreaming.github.io/TOST-1.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package smithy4s.aws.kernel

object SysEnv extends SysEnvPlatformCompat {

  def envValue(s: String): Either[EnvironmentValueNotFound, String] =
    readEnvVar(s) match {
      case Some(v) => Right(v)
      case None    => Left(EnvironmentValueNotFound(s))
    }

  case class EnvironmentValueNotFound(s: String)
      extends Exception(s"env-var $s not found")
      with scala.util.control.NoStackTrace
}