Switched to kotlinx-cli from Apache Commons CLI

build.gradle

@@ -46,12 +46,7 @@ dependencies {
     //implementation 'com.github.pircbotx:pircbotx:-SNAPSHOT'
     implementation fileTree(dir: 'lib', include: '*.jar')
 
-
     // Commons
-    implementation 'org.apache.commons:commons-lang3:3.12.0'
-    implementation 'org.apache.commons:commons-text:1.9'
-    implementation 'commons-cli:commons-cli:1.5.0'
-    implementation 'commons-codec:commons-codec:1.15'
     implementation 'commons-net:commons-net:3.8.0'
   
     // Google
@@ -62,12 +57,13 @@ dependencies {
     implementation platform('org.jetbrains.kotlin:kotlin-bom')
     implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk8'
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.4'
+    implementation'org.jetbrains.kotlinx:kotlinx-cli:0.3.5'
 
     // Logging
     implementation 'org.slf4j:slf4j-api:2.0.0'
     implementation "org.apache.logging.log4j:log4j-api:$versions.log4j"
     implementation "org.apache.logging.log4j:log4j-core:$versions.log4j"
-    implementation "org.apache.logging.log4j:log4j-slf4j-impl:$versions.log4j"
+    implementation "org.apache.logging.log4j:log4j-slf4j18-impl:$versions.log4j"
 
     implementation 'com.rometools:rome:1.18.0'
     implementation 'com.squareup.okhttp3:okhttp:4.10.0'

src/main/kotlin/net/thauvin/erik/mobibot/Constants.kt

@@ -58,12 +58,7 @@ object Constants {
     /**
      * CLI command for usage.
      */
-    const val CLI_CMD = "java -jar ${ReleaseInfo.PROJECT}.jar [OPTIONS]"
+    const val CLI_CMD = "java -jar ${ReleaseInfo.PROJECT}.jar"
-
-    /**
-     * Help command line argument.
-     */
-    const val HELP_ARG = "help"
 
     /**
      * The help command.

src/main/kotlin/net/thauvin/erik/mobibot/Mobibot.kt

@@ -32,6 +32,9 @@
 
 package net.thauvin.erik.mobibot
 
+import kotlinx.cli.ArgParser
+import kotlinx.cli.ArgType
+import kotlinx.cli.default
 import net.thauvin.erik.mobibot.Utils.appendIfMissing
 import net.thauvin.erik.mobibot.Utils.bot
 import net.thauvin.erik.mobibot.Utils.capitalise
@@ -77,13 +80,6 @@ import net.thauvin.erik.mobibot.modules.War
 import net.thauvin.erik.mobibot.modules.Weather2
 import net.thauvin.erik.mobibot.modules.WorldTime
 import net.thauvin.erik.semver.Version
-import org.apache.commons.cli.CommandLine
-import org.apache.commons.cli.CommandLineParser
-import org.apache.commons.cli.DefaultParser
-import org.apache.commons.cli.HelpFormatter
-import org.apache.commons.cli.Option
-import org.apache.commons.cli.Options
-import org.apache.commons.cli.ParseException
 import org.pircbotx.Configuration
 import org.pircbotx.PircBotX
 import org.pircbotx.hooks.ListenerAdapter
@@ -245,59 +241,42 @@ class Mobibot(nickname: String, val channel: String, logsDirPath: String, p: Pro
         @Throws(Exception::class)
         fun main(args: Array<String>) {
             // Set up the command line options
-            val options = Options()
+            val parser = ArgParser(Constants.CLI_CMD)
-                .addOption(
+            val debug by parser.option(
-                    Constants.HELP_ARG.substring(0, 1),
+                ArgType.Boolean,
-                    Constants.HELP_ARG,
+                Constants.DEBUG_ARG,
-                    false,
+                Constants.DEBUG_ARG.substring(0, 1),
-                    "print this help message"
+                "Print debug & logging data directly to the console"
-                )
+            ).default(false)
-                .addOption(
+            val property by parser.option(
-                    Constants.DEBUG_ARG.substring(0, 1), Constants.DEBUG_ARG, false,
+                ArgType.String,
-                    "print debug & logging data directly to the console"
+                Constants.PROPS_ARG,
-                )
+                Constants.PROPS_ARG.substring(0, 1),
-                .addOption(
+                "Use alternate properties file"
-                    Option.builder(Constants.PROPS_ARG.substring(0, 1)).hasArg()
+            ).default("./mobibot.properties")
-                        .argName("file")
+            val version by parser.option(
-                        .desc("use alternate properties file")
+                ArgType.Boolean,
-                        .longOpt(Constants.PROPS_ARG).build()
-                )
-                .addOption(
-                    Constants.VERSION_ARG.substring(0, 1),
                 Constants.VERSION_ARG,
-                    false,
+                Constants.VERSION_ARG.substring(0, 1),
-                    "print version info"
+                "Print version info"
-                )
+            ).default(false)
 
             // Parse the command line
-            val parser: CommandLineParser = DefaultParser()
+            parser.parse(args)
-            val commandLine: CommandLine
-            try {
-                commandLine = parser.parse(options, args)
-            } catch (e: ParseException) {
-                System.err.println(e.message)
-                HelpFormatter().printHelp(Constants.CLI_CMD, options)
-                exitProcess(1)
-            }
-            when {
-                commandLine.hasOption(Constants.HELP_ARG[0]) -> {
-                    // Output the usage
-                    HelpFormatter().printHelp(Constants.CLI_CMD, options)
-                }
 
-                commandLine.hasOption(Constants.VERSION_ARG[0]) -> {
+            if (version) {
                 // Output the version
-                    println("${ReleaseInfo.PROJECT.capitalise()} ${ReleaseInfo.VERSION}" +
+                println(
-                            " (${ReleaseInfo.BUILDDATE.toIsoLocalDate()})")
+                    "${ReleaseInfo.PROJECT.capitalise()} ${ReleaseInfo.VERSION}" +
+                            " (${ReleaseInfo.BUILDDATE.toIsoLocalDate()})"
+                )
                 println(ReleaseInfo.WEBSITE)
-                }
+            } else {
-
-                else -> {
                 // Load the properties
                 val p = Properties()
                 try {
                     Files.newInputStream(
-                            Paths.get(commandLine.getOptionValue(Constants.PROPS_ARG[0], "./mobibot.properties"))
+                        Paths.get(property)
                     ).use { fis ->
                         p.load(fis)
                     }
@@ -313,7 +292,7 @@ class Mobibot(nickname: String, val channel: String, logsDirPath: String, p: Pro
                 val logsDir = p.getProperty("logs", ".").appendIfMissing(File.separatorChar)
 
                 // Redirect stdout and stderr
-                    if (!commandLine.hasOption(Constants.DEBUG_ARG[0])) {
+                if (!debug) {
                     try {
                         val stdout = PrintStream(
                             BufferedOutputStream(
@@ -345,7 +324,6 @@ class Mobibot(nickname: String, val channel: String, logsDirPath: String, p: Pro
             }
         }
     }
-    }
 
     /**
      * Initialize the bot.

website/index.html

@@ -36,12 +36,11 @@
 
         <p>mobibot is making extensive use of various <strong>open source libraries</strong>, including:</p>
         <ul>
-            <li>Apache Commons <a href="https://commons.apache.org/proper/commons-cli/">CLI</a> and <a
+            <li><a href="https://commons.apache.org/proper/commons-net/">Apache Commons Net</a></li>
-                    href="https://commons.apache.org/proper/commons-net/">Net</a></li>
             <li><a href="https://github.com/ethauvin/cryptoprice">CryptoPrice</a></li>
             <li><a href="https://www.objecthunter.net/exp4j/">exp4j</a></li>
             <li><a href="https://jsoup.org/">jsoup</a></li>
-            <li><a href="https://ostermiller.org/utils/">OstermillerUtils</a></li>
+            <li><a href="https://github.com/Kotlin/kotlinx-cli">kotlinx-cli</a></li>
             <li><a href="https://square.github.io/okhttp/">OkHttp</a></li>
             <li><a href="https://bitbucket.org/aksinghnet/owm-japis">OWM JAPIs</a></li>
             <li><a href="https://github.com/ethauvin/pinboard-poster">Pinboard Poster</a></li>