1 files changed, 50 insertions, 0 deletions
diff --git a/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/commandline/extensions.kt b/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/commandline/extensions.kt
new file mode 100644
index 00000000..23bf1658
--- /dev/null
+++ b/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/commandline/extensions.kt
@@ -0,0 +1,50 @@
+/*
+ * ============LICENSE_START=======================================================
+ * dcaegen2-collectors-veshv
+ * ================================================================================
+ * Copyright (C) 2018 NOKIA
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.dcae.collectors.veshv.utils.commandline
+
+import arrow.core.Failure
+import org.onap.dcae.collectors.veshv.utils.logging.Logger
+import kotlin.system.exitProcess
+
+/**
+ * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
+ * @since June 2018
+ */
+
+fun handleErrorsInMain(ex: Throwable, programName: String, logger: Logger) {
+    when (ex) {
+        is WrongArgumentException -> {
+            ex.printMessage()
+            ex.printHelp(programName)
+            exitProcess(1)
+        }
+
+        else -> {
+            logger.error(ex.localizedMessage)
+            logger.debug("An error occurred when starting VES HV Collector", ex)
+            System.exit(2)
+        }
+    }
+}
+
+
+fun <A> Failure<A>.handleErrorsInMain(programName: String, logger: Logger) {
+    handleErrorsInMain(this.exception, programName, logger)
+}