Kotlin conversion: ArmorExternal

external-sop/src/main/kotlin/sop/external/operation/ArmorExternal.kt

@@ -0,0 +1,26 @@
+// SPDX-FileCopyrightText: 2023 Paul Schaub <vanitasvitae@fsfe.org>
+//
+// SPDX-License-Identifier: Apache-2.0
+
+package sop.external.operation
+
+import java.io.InputStream
+import java.util.Properties
+import sop.Ready
+import sop.enums.ArmorLabel
+import sop.exception.SOPGPException
+import sop.external.ExternalSOP
+import sop.operation.Armor
+
+/** Implementation of the [Armor] operation using an external SOP binary. */
+class ArmorExternal(binary: String, environment: Properties) : Armor {
+
+    private val commandList: MutableList<String> = mutableListOf(binary, "armor")
+    private val envList: List<String> = ExternalSOP.propertiesToEnv(environment)
+
+    override fun label(label: ArmorLabel): Armor = apply { commandList.add("--label=$label") }
+
+    @Throws(SOPGPException.BadData::class)
+    override fun data(data: InputStream): Ready =
+        ExternalSOP.executeTransformingOperation(Runtime.getRuntime(), commandList, envList, data)
+}