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/*
* ============LICENSE_START=======================================================
* dcaegen2-collectors-veshv
* ================================================================================
* Copyright (C) 2018-2019 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.commandline
import arrow.core.Option
import arrow.core.getOrElse
import arrow.syntax.function.curried
import org.apache.commons.cli.CommandLine
import org.onap.dcae.collectors.veshv.utils.process.ExitCode
import org.onap.dcae.collectors.veshv.utils.process.ExitFailure
import org.onap.dcae.collectors.veshv.utils.arrow.fromNullablesChain
/**
* @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
* @since June 2018
*/
val handleWrongArgumentErrorCurried = ::handleWrongArgumentError.curried()
fun handleWrongArgumentError(programName: String, err: WrongArgumentError): ExitCode {
err.printMessage()
err.printHelp(programName)
return ExitFailure(2)
}
fun CommandLine.longValue(cmdLineOpt: CommandLineOption, default: Long): Long =
longValue(cmdLineOpt).getOrElse { default }
fun CommandLine.stringValue(cmdLineOpt: CommandLineOption, default: String): String =
optionValue(cmdLineOpt).getOrElse { default }
fun CommandLine.intValue(cmdLineOpt: CommandLineOption, default: Int): Int =
intValue(cmdLineOpt).getOrElse { default }
fun CommandLine.intValue(cmdLineOpt: CommandLineOption): Option<Int> =
optionValue(cmdLineOpt).map(String::toInt)
fun CommandLine.longValue(cmdLineOpt: CommandLineOption): Option<Long> =
optionValue(cmdLineOpt).map(String::toLong)
fun CommandLine.stringValue(cmdLineOpt: CommandLineOption): Option<String> =
optionValue(cmdLineOpt)
fun CommandLine.hasOption(cmdLineOpt: CommandLineOption): Boolean =
this.hasOption(cmdLineOpt.option.opt) ||
System.getenv(cmdLineOpt.environmentVariableName()) != null
private fun CommandLine.optionValue(cmdLineOpt: CommandLineOption) = Option.fromNullablesChain(
getOptionValue(cmdLineOpt.option.opt),
{ System.getenv(cmdLineOpt.environmentVariableName()) })
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