Kotlin: Reformatted code.

src/main/kotlin/de/fabianonline/telegram_backup/CommandLineController.kt

@@ -14,6 +14,7 @@
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>. */
 package de.fabianonline.telegram_backup
+
 import de.fabianonline.telegram_backup.TelegramUpdateHandler
 import de.fabianonline.telegram_backup.exporter.HTMLExporter
 import com.github.badoualy.telegram.api.Kotlogram
@@ -27,11 +28,12 @@ import java.util.Vector
 import java.util.HashMap
 import org.slf4j.LoggerFactory
 import org.slf4j.Logger
-class CommandLineController {
-  private val storage:ApiStorage
-  var app:TelegramApp
 
-  private fun getLine():String {
+class CommandLineController {
+	private val storage: ApiStorage
+	var app: TelegramApp
+
+	private fun getLine(): String {
 		if (System.console() != null) {
 			return System.console().readLine("> ")
 		} else {
@@ -40,7 +42,7 @@ class CommandLineController {
 		}
 	}
 
-  private fun getPassword():String {
+	private fun getPassword(): String {
 		if (System.console() != null) {
 			return String(System.console().readPassword("> "))
 		} else {
@@ -48,26 +50,20 @@ class CommandLineController {
 		}
 	}
 
-  init{
+	init {
 		logger.info("CommandLineController started. App version {}", Config.APP_APPVER)
 		this.printHeader()
-    if (CommandLineOptions.cmd_version)
-    {
+		if (CommandLineOptions.cmd_version) {
 			System.exit(0)
-    }
-    else if (CommandLineOptions.cmd_help)
-    {
+		} else if (CommandLineOptions.cmd_help) {
 			this.show_help()
 			System.exit(0)
-    }
-    else if (CommandLineOptions.cmd_license)
-    {
+		} else if (CommandLineOptions.cmd_license) {
 			CommandLineController.show_license()
 			System.exit(0)
 		}
 		this.setupFileBase()
-    if (CommandLineOptions.cmd_list_accounts)
-    {
+		if (CommandLineOptions.cmd_list_accounts) {
 			this.list_accounts()
 			System.exit(0)
 		}
@@ -82,72 +78,53 @@ class CommandLineController {
 		val handler = TelegramUpdateHandler()
 		logger.info("Creating Client")
 		val client = Kotlogram.getDefaultClient(app, storage, Kotlogram.PROD_DC4, handler)
-    try
-    {
+		try {
 			logger.info("Initializing UserManager")
 			UserManager.init(client)
 			val user = UserManager.getInstance()
-      if (!CommandLineOptions.cmd_login && !user.loggedIn)
-      {
+			if (!CommandLineOptions.cmd_login && !user.loggedIn) {
 				println("Your authorization data is invalid or missing. You will have to login with Telegram again.")
 				CommandLineOptions.cmd_login = true
 			}
-      if (account != null && user.loggedIn)
-      {
-        if (account != "+" + user.user!!.getPhone())
-        {
+			if (account != null && user.loggedIn) {
+				if (account != "+" + user.user!!.getPhone()) {
 					logger.error("Account: {}, user.user!!.getPhone(): +{}", Utils.anonymize(account), Utils.anonymize(user.user!!.getPhone()))
 					throw RuntimeException("Account / User mismatch")
 				}
 			}
 			logger.debug("CommandLineOptions.cmd_login: {}", CommandLineOptions.cmd_login)
-      if (CommandLineOptions.cmd_login)
-      {
+			if (CommandLineOptions.cmd_login) {
 				cmd_login(account)
 				System.exit(0)
 			}
 			// If we reach this point, we can assume that there is an account and a database can be loaded / created.
 			Database.init(client)
-      if (CommandLineOptions.cmd_stats)
-      {
+			if (CommandLineOptions.cmd_stats) {
 				cmd_stats()
 				System.exit(0)
 			}
-      if (CommandLineOptions.val_test != null)
-      {
-        if (CommandLineOptions.val_test == 1)
-        {
+			if (CommandLineOptions.val_test != null) {
+				if (CommandLineOptions.val_test == 1) {
 					TestFeatures.test1()
-        }
-        else if (CommandLineOptions.val_test == 2)
-        {
+				} else if (CommandLineOptions.val_test == 2) {
 					TestFeatures.test2()
-        }
-        else
-        {
+				} else {
 					System.out.println("Unknown test " + CommandLineOptions.val_test)
 				}
 				System.exit(1)
 			}
 			logger.debug("CommandLineOptions.val_export: {}", CommandLineOptions.val_export)
-      if (CommandLineOptions.val_export != null)
-      {
-        if (CommandLineOptions.val_export!!.toLowerCase().equals("html"))
-        {
+			if (CommandLineOptions.val_export != null) {
+				if (CommandLineOptions.val_export!!.toLowerCase().equals("html")) {
 					(HTMLExporter()).export()
 					System.exit(0)
-        }
-        else
-        {
+				} else {
 					show_error("Unknown export format.")
 				}
 			}
-      if (user.loggedIn)
-      {
+			if (user.loggedIn) {
 				System.out.println("You are logged in as " + Utils.anonymize(user.userString))
-      }
-      else
-      {
+			} else {
 				println("You are not logged in.")
 				System.exit(1)
 			}
@@ -156,29 +133,20 @@ class CommandLineController {
 			logger.debug("Calling DownloadManager.downloadMessages with limit {}", CommandLineOptions.val_limit_messages)
 			d.downloadMessages(CommandLineOptions.val_limit_messages)
 			logger.debug("CommandLineOptions.cmd_no_media: {}", CommandLineOptions.cmd_no_media)
-      if (!CommandLineOptions.cmd_no_media)
-      {
+			if (!CommandLineOptions.cmd_no_media) {
 				logger.debug("Calling DownloadManager.downloadMedia")
 				d.downloadMedia()
-      }
-      else
-      {
+			} else {
 				println("Skipping media download because --no-media is set.")
 			}
-    }
-    catch (e:Exception) {
+		} catch (e: Exception) {
 			e.printStackTrace()
 			logger.error("Exception caught!", e)
-    }
-    finally
-    {
-      if (CommandLineOptions.cmd_daemon)
-      {
+		} finally {
+			if (CommandLineOptions.cmd_daemon) {
 				handler.activate()
 				println("DAEMON mode requested - keeping running.")
-      }
-      else
-      {
+			} else {
 				client.close()
 				println()
 				println("----- EXIT -----")
@@ -186,6 +154,7 @@ class CommandLineController {
 			}
 		}
 	}
+
 	private fun printHeader() {
 		System.out.println("Telegram_Backup version " + Config.APP_APPVER + ", Copyright (C) 2016, 2017 Fabian Schlenz")
 		println()
@@ -193,57 +162,46 @@ class CommandLineController {
 		println("welcome to redistribute it under certain conditions; run it with '--license' for details.")
 		println()
 	}
+
 	private fun setupFileBase() {
 		logger.debug("Target dir at startup: {}", Utils.anonymize(Config.FILE_BASE))
-    if (CommandLineOptions.val_target != null)
-    {
+		if (CommandLineOptions.val_target != null) {
 			Config.FILE_BASE = CommandLineOptions.val_target!!
 		}
 		logger.debug("Target dir after options: {}", Utils.anonymize(Config.FILE_BASE))
 		System.out.println("Base directory for files: " + Utils.anonymize(Config.FILE_BASE))
 	}
-  private fun selectAccount():String? {
+
+	private fun selectAccount(): String? {
 		var account = "none"
 		val accounts = Utils.getAccounts()
-    if (CommandLineOptions.cmd_login)
-    {
+		if (CommandLineOptions.cmd_login) {
 			logger.debug("Login requested, doing nothing.")
 			// do nothing
-    }
-    else if (CommandLineOptions.val_account != null)
-    {
+		} else if (CommandLineOptions.val_account != null) {
 			logger.debug("Account requested: {}", Utils.anonymize(CommandLineOptions.val_account!!))
 			logger.trace("Checking accounts for match.")
 			var found = false
-      for (acc in accounts)
-      {
+			for (acc in accounts) {
 				logger.trace("Checking {}", Utils.anonymize(acc))
-        if (acc == CommandLineOptions.val_account)
-        {
+				if (acc == CommandLineOptions.val_account) {
 					found = true
 					logger.trace("Matches.")
 					break
 				}
 			}
-      if (!found)
-      {
+			if (!found) {
 				show_error("Couldn't find account '" + Utils.anonymize(CommandLineOptions.val_account!!) + "'. Maybe you want to use '--login' first?")
 			}
 			account = CommandLineOptions.val_account!!
-    }
-    else if (accounts.size == 0)
-    {
+		} else if (accounts.size == 0) {
 			println("No accounts found. Starting login process...")
 			CommandLineOptions.cmd_login = true
 			return null
-    }
-    else if (accounts.size == 1)
-    {
+		} else if (accounts.size == 1) {
 			account = accounts.firstElement()
 			System.out.println("Using only available account: " + Utils.anonymize(account))
-    }
-    else
-    {
+		} else {
 			show_error(("You didn't specify which account to use.\n" +
 				"Use '--account <x>' to use account <x>.\n" +
 				"Use '--list-accounts' to see all available accounts."))
@@ -253,6 +211,7 @@ class CommandLineController {
 		logger.debug("account: {}", Utils.anonymize(account))
 		return account
 	}
+
 	private fun cmd_stats() {
 		println()
 		println("Stats:")
@@ -264,23 +223,21 @@ class CommandLineController {
 		System.out.format(format, "Top message ID", Database.getInstance().getTopMessageID())
 		println()
 		println("Media Types:")
-    for ((key, value) in Database.getInstance().getMessageMediaTypesWithCount())
-    {
+		for ((key, value) in Database.getInstance().getMessageMediaTypesWithCount()) {
 			System.out.format(format, key, value)
 		}
 		println()
 		println("Api layers of messages:")
-    for ((key, value) in Database.getInstance().getMessageApiLayerWithCount())
-    {
+		for ((key, value) in Database.getInstance().getMessageApiLayerWithCount()) {
 			System.out.format(format, key, value)
 		}
 	}
+
 	@Throws(RpcErrorException::class, IOException::class)
-  private fun cmd_login(phoneToUse:String?) {
+	private fun cmd_login(phoneToUse: String?) {
 		val user = UserManager.getInstance()
 		val phone: String
-    if (phoneToUse == null)
-    {
+		if (phoneToUse == null) {
 			println("Please enter your phone number in international format.")
 			println("Example: +4917077651234")
 			phone = getLine()
@@ -291,8 +248,7 @@ class CommandLineController {
 		println("Telegram sent you a code. Please enter it here.")
 		val code = getLine()
 		user.verifyCode(code)
-    if (user.isPasswordNeeded)
-    {
+		if (user.isPasswordNeeded) {
 			println("We also need your account password. Please enter it now. It should not be printed, so it's okay if you see nothing while typing it.")
 			val pw = getPassword()
 			user.verifyPassword(pw)
@@ -300,6 +256,7 @@ class CommandLineController {
 		storage.setPrefix("+" + user.user!!.getPhone())
 		System.out.println("Everything seems fine. Please run this tool again with '--account +" + Utils.anonymize(user.user!!.getPhone()) + " to use this account.")
 	}
+
 	private fun show_help() {
 		println("Valid options are:")
 		println(" -h, --help Shows this help.")
@@ -321,33 +278,32 @@ class CommandLineController {
 		println(" --with-channels Backup channels as well.")
 		println(" --with-supergroups Backup supergroups as well.")
 	}
+
 	private fun list_accounts() {
 		println("List of available accounts:")
 		val accounts = Utils.getAccounts()
-    if (accounts.size > 0)
-    {
-      for (str in accounts)
-      {
+		if (accounts.size > 0) {
+			for (str in accounts) {
 				System.out.println(" " + Utils.anonymize(str))
 			}
 			println("Use '--account <x>' to use one of those accounts.")
-    }
-    else
-    {
+		} else {
 			println("NO ACCOUNTS FOUND")
 			println("Use '--login' to login to a telegram account.")
 		}
 	}
+
 	companion object {
 		private val logger = LoggerFactory.getLogger(CommandLineController::class.java)
 
-  public fun show_error(error:String) {
+		public fun show_error(error: String) {
 			logger.error(error)
 			println("ERROR: " + error)
 			System.exit(1)
 		}
+
 		fun show_license() {
 			println("TODO: Print the GPL.")
 		}
-}
+	}
 }

src/main/kotlin/de/fabianonline/telegram_backup/CommandLineOptions.kt

@@ -14,6 +14,7 @@
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>. */
 package de.fabianonline.telegram_backup
+
 internal object CommandLineOptions {
 	public var cmd_console = false
 	public var cmd_help = false
@@ -30,17 +31,16 @@ internal object CommandLineOptions {
 	var cmd_stats = false
 	var cmd_channels = false
 	var cmd_supergroups = false
-  var val_account:String? = null
-  var val_limit_messages:Int? = null
-  var val_target:String? = null
-  var val_export:String? = null
-  var val_test:Int? = null
-  @JvmStatic fun parseOptions(args:Array<String>) {
-    var last_cmd:String? = null
-    loop@ for (arg in args)
-    {
-      if (last_cmd != null)
-      {
+	var val_account: String? = null
+	var val_limit_messages: Int? = null
+	var val_target: String? = null
+	var val_export: String? = null
+	var val_test: Int? = null
+	@JvmStatic
+	fun parseOptions(args: Array<String>) {
+		var last_cmd: String? = null
+		loop@ for (arg in args) {
+			if (last_cmd != null) {
 				when (last_cmd) {
 					"--account" -> val_account = arg
 					"--limit-messages" -> val_limit_messages = Integer.parseInt(arg)
@@ -90,8 +90,7 @@ internal object CommandLineOptions {
 				else -> throw RuntimeException("Unknown command " + arg)
 			}
 		}
-    if (last_cmd != null)
-    {
+		if (last_cmd != null) {
 			CommandLineController.show_error("Command $last_cmd had no parameter set.")
 		}
 	}

src/main/kotlin/de/fabianonline/telegram_backup/CommandLineRunner.kt

@@ -27,7 +27,7 @@ import ch.qos.logback.classic.spi.ILoggingEvent
 import ch.qos.logback.core.ConsoleAppender
 import ch.qos.logback.classic.Level
 
-    fun main(args: Array<String>) {
+fun main(args: Array<String>) {
 	CommandLineOptions.parseOptions(args)
 
 	CommandLineRunner.setupLogging()
@@ -41,7 +41,7 @@ import ch.qos.logback.classic.Level
 	} else {
 		GUIController()
 	}
-    }
+}
 
 object CommandLineRunner {
 	fun setupLogging() {

src/main/kotlin/de/fabianonline/telegram_backup/DownloadManager.kt

@@ -327,7 +327,7 @@ class DownloadManager(internal var client: TelegramClient?, p: DownloadProgressI
 		logger.debug("Database returned {} messages with media", messages.size)
 		prog!!.onMediaDownloadStart(messages.size)
 		for (msg in messages) {
-        	if (msg==null) continue
+			if (msg == null) continue
 			val m = FileManagerFactory.getFileManager(msg, user!!, client!!)
 			logger.trace("message {}, {}, {}, {}, {}",
 				msg.getId(),

src/main/kotlin/de/fabianonline/telegram_backup/UserManager.kt

@@ -104,7 +104,7 @@ private constructor(c: TelegramClient) {
 
 	@Throws(RpcErrorException::class, IOException::class)
 	fun verifyPassword(pw: String) {
-        val password = pw.toByteArray(charset=Charsets.UTF_8)
+		val password = pw.toByteArray(charset = Charsets.UTF_8)
 		val salt = (client.accountGetPassword() as TLPassword).getCurrentSalt().getData()
 		var md: MessageDigest
 		try {

src/main/kotlin/de/fabianonline/telegram_backup/Utils.kt

@@ -111,8 +111,8 @@ object Utils {
 		logger.debug("Comparing versions {} and {}.", v1, v2)
 		if (v1.equals(v2)) return VERSIONS_EQUAL
 
-        val v1_p = v1.split("-", limit=2)
-        val v2_p = v2.split("-", limit=2)
+		val v1_p = v1.split("-", limit = 2)
+		val v2_p = v2.split("-", limit = 2)
 
 		logger.trace("Parts to compare without suffixes: {} and {}.", v1_p[0], v2_p[0])
 

src/main/kotlin/de/fabianonline/telegram_backup/mediafilemanager/DocumentFileManager.kt

@@ -49,7 +49,7 @@ open class DocumentFileManager(msg: TLMessage, user: UserManager, client: Telegr
 	open val isSticker: Boolean
 		get() {
 			if (this.isEmpty || doc == null) return false
-            return doc!!.getAttributes()?.filter{it is TLDocumentAttributeSticker}?.isNotEmpty() ?: false
+			return doc!!.getAttributes()?.filter { it is TLDocumentAttributeSticker }?.isNotEmpty() ?: false
 		}
 
 	override val size: Int