Kotlin conversion: ExtractCertCmd

sop-java-picocli/src/main/kotlin/sop/cli/picocli/commands/ExtractCertCmd.kt

@@ -0,0 +1,40 @@
+// SPDX-FileCopyrightText: 2023 Paul Schaub <vanitasvitae@fsfe.org>
+//
+// SPDX-License-Identifier: Apache-2.0
+
+package sop.cli.picocli.commands
+
+import java.io.IOException
+import picocli.CommandLine.Command
+import picocli.CommandLine.Option
+import sop.cli.picocli.SopCLI
+import sop.exception.SOPGPException
+import sop.exception.SOPGPException.BadData
+
+@Command(
+    name = "extract-cert",
+    resourceBundle = "msg_extract-cert",
+    exitCodeOnInvalidInput = SOPGPException.UnsupportedOption.EXIT_CODE)
+class ExtractCertCmd : AbstractSopCmd() {
+
+    @Option(names = ["--no-armor"], negatable = true) var armor = true
+
+    override fun run() {
+        val extractCert =
+            throwIfUnsupportedSubcommand(SopCLI.getSop().extractCert(), "extract-cert")
+
+        if (!armor) {
+            extractCert.noArmor()
+        }
+
+        try {
+            val ready = extractCert.key(System.`in`)
+            ready.writeTo(System.out)
+        } catch (e: IOException) {
+            throw RuntimeException(e)
+        } catch (badData: BadData) {
+            val errorMsg = getMsg("sop.error.input.stdin_not_a_private_key")
+            throw BadData(errorMsg, badData)
+        }
+    }
+}