Extract module for ArgBasedConfiguration

[dcaegen2/collectors/hv-ves.git] / sources / hv-collector-utils / src / main / kotlin / org / onap / dcae / collectors / veshv / utils / commandline / ArgBasedConfiguration.kt

diff --git a/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/commandline/ArgBasedConfiguration.kt b/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/commandline/ArgBasedConfiguration.kt
deleted file mode 100644 (file)
index b14f1be..0000000
--- a/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/commandline/ArgBasedConfiguration.kt
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * ============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.Either
-import arrow.core.Option
-import arrow.core.Try
-import arrow.core.flatMap
-import org.apache.commons.cli.CommandLine
-import org.apache.commons.cli.CommandLineParser
-import org.apache.commons.cli.Options
-import java.io.File
-import java.nio.file.Path
-import java.nio.file.Paths
-
-abstract class ArgBasedConfiguration<T>(private val parser: CommandLineParser) {
-    abstract val cmdLineOptionsList: List<CommandLineOption>
-
-    fun parse(args: Array<out String>): Either<WrongArgumentError, T> {
-        val parseResult = Try {
-            val commandLineOptions = cmdLineOptionsList.map { it.option }.fold(Options(), Options::addOption)
-            parser.parse(commandLineOptions, args)
-        }
-        return parseResult
-                .toEither()
-                .mapLeft { ex -> WrongArgumentError(ex, cmdLineOptionsList) }
-                .map(this::getConfiguration)
-                .flatMap {
-                    it.toEither {
-                        WrongArgumentError(
-                                message = "Unexpected error when parsing command line arguments",
-                                cmdLineOptionsList = cmdLineOptionsList)
-                    }
-                }
-    }
-
-    protected abstract fun getConfiguration(cmdLine: CommandLine): Option<T>
-
-    protected fun stringPathToPath(path: String): Path = Paths.get(File(path).toURI())
-}