download java, prefill checkboxes and choiceboxes

app/src/main/kotlin/xyz/brysonsteck/serverfordummies/Download.kt

@@ -14,9 +14,11 @@ class Download: Runnable {
   private final val MAX_BUFFER_SIZE: Number = 1024
 
   private var url: URL
+  private var dir: String
 
-  constructor (url: URL) {
+  constructor (url: URL, dir: String) {
     this.url = url
+    this.dir = dir
     size = -1
     downloaded = 0
     status = Status.DOWNLOADING
@@ -65,7 +67,7 @@ class Download: Runnable {
       }
 
       // Open file and seek to the end of it.
-      file = RandomAccessFile(getFilename(url), "rw");
+      file = RandomAccessFile(dir + getFilename(url), "rw");
       file.seek(downloaded.toLong());
 
       stream = connection.getInputStream();

app/src/main/kotlin/xyz/brysonsteck/serverfordummies/PrimaryController.kt

@@ -46,6 +46,7 @@ import javafx.stage.DirectoryChooser
 import javafx.stage.Modality
 import javafx.stage.Stage
 import javafx.event.EventHandler
+import org.rauschig.jarchivelib.*
 
 import Download
 
@@ -108,12 +109,49 @@ class PrimaryController {
   lateinit private var startButton: Button
   @FXML
   lateinit private var buildButton: Button
+  @FXML
+  lateinit private var defaultsButton: Button
 
   private var building = false
   private var directory = ""
   private var asyncResult = false
   private var started = false
 
+  @FXML
+  public fun initialize() {
+    difficultyBox.items = FXCollections.observableArrayList(
+      "Peaceful",
+      "Easy",
+      "Normal",
+      "Hard",
+      "Hardcore"
+    )
+    difficultyBox.value = "Normal"
+    difficultyBox.selectionModel.selectedIndexProperty().addListener { _, _, new -> 
+      onChoiceBoxChange("difficulty", difficultyBox.items[new as Int])
+    }
+    gamemodeBox.items = FXCollections.observableArrayList(
+      "Survival",
+      "Creative",
+      "Adventure",
+      "Spectator"
+    )
+    gamemodeBox.value = "Survival"
+    gamemodeBox.selectionModel.selectedIndexProperty().addListener { _, _, new -> 
+      onChoiceBoxChange("gamemode", gamemodeBox.items[new as Int])
+    }
+    worldTypeBox.items = FXCollections.observableArrayList(
+      "Normal",
+      "Superflat",
+      "Large Biomes",
+      "Amplified"
+    )
+    worldTypeBox.value = "Normal"
+    worldTypeBox.selectionModel.selectedIndexProperty().addListener { _, _, new -> 
+      onChoiceBoxChange("world-type", worldTypeBox.items[new as Int])
+    }
+  }
+  
   @FXML
   private fun onDirectoryButtonClick() {
     val dirChooser = DirectoryChooser()
@@ -161,6 +199,10 @@ class PrimaryController {
 
   }
 
+  private fun onChoiceBoxChange(box: String, selection: String) {
+
+  }
+
   @FXML
   private fun onBuild() {
     if (building) {
@@ -172,17 +214,51 @@ class PrimaryController {
     directoryPane.isDisable = true
     parentPane.isDisable = true
     startButton.isDisable = true
+    defaultsButton.isDisable = true
     buildButton.text = "Cancel Build"
 
     @Suppress("OPT_IN_USAGE")
     GlobalScope.launch(Dispatchers.Default) {
       progressBar.isVisible = true
-      var downloads = mapOf(
+      var javaFile = ""
+      var archiver = ArchiverFactory.createArchiver(ArchiveFormat.TAR, CompressionType.GZIP)
+      val os = System.getProperty("os.name").lowercase()
+      when {
+        os.contains("win") -> {
+          javaFile = "openjdk-20.0.1_windows-x64_bin.zip"
+          archiver = ArchiverFactory.createArchiver(ArchiveFormat.ZIP)
+        }
+        os.contains("linux") -> {
+          javaFile = "openjdk-20.0.1_linux-x64_bin.tar.gz"
+        }
+        os.contains("mac") -> {
+          javaFile = "openjdk-20.0.1_macos-x64_bin.tar.gz"
+        }
+      }
+
+      // download files
+      val downloads = mapOf(
+        "Java 20" to "https://download.java.net/java/GA/jdk20.0.1/b4887098932d415489976708ad6d1a4b/9/GPL/${javaFile}",
         "BuildTools" to "https://hub.spigotmc.org/jenkins/job/BuildTools/lastSuccessfulBuild/artifact/target/BuildTools.jar",
       )
+      val destinations = mapOf (
+        "Java 20" to directory + "ServerForDummies" + File.separator + "Java" + File.separator,
+        "BuildTools" to directory + "ServerForDummies" + File.separator + "Spigot" + File.separator
+      )
+      val spigotBuilt = File(destinations["BuildTools"]).exists()
+      val javaExtracted = File(destinations["Java 20"]).exists() 
+      destinations.forEach {
+        File(it.value).mkdir()
+      }
       downloads.forEach {
-        withContext(Dispatchers.JavaFx){statusBar.text = "Downloading ${it.key}..."}
+        if (it.key == "Java 20" && javaExtracted) {
-        val download = Download(URL(it.value))
+          return@forEach
+        }
+        withContext(Dispatchers.JavaFx){
+          statusBar.text = "Downloading ${it.key}..."
+          progressBar.progress = ProgressBar.INDETERMINATE_PROGRESS
+        }
+        val download = Download(URL(it.value), destinations[it.key]!!)
         download.start()
         while (download.status == Download.Status.DOWNLOADING) {
           var prog = (download.downloaded.toDouble() / download.contentLength.toDouble())
@@ -195,12 +271,66 @@ class PrimaryController {
           Thread.sleep(300)
         }
       }
+
+      // extract java archive
+      if (building && !javaExtracted) {
+        withContext(Dispatchers.JavaFx) {
+          progressBar.progress = ProgressBar.INDETERMINATE_PROGRESS
+          statusBar.text = "Extracting Java archive..."
+        }
+        var stream = archiver.stream(File(directory + "ServerForDummies" + File.separator + "Java" + File.separator + javaFile))
+        val dest = File(directory + "ServerForDummies" + File.separator + "Java")
+        var entries = 0.0
+        while(stream.getNextEntry() != null && building) {
+          entries++
+        }
+        stream = archiver.stream(File(directory + "ServerForDummies" + File.separator + "Java" + File.separator + javaFile))
+        var entry = stream.getNextEntry()
+        var currentEntry = 0.0
+        do {
+          withContext(Dispatchers.JavaFx) {progressBar.progress = currentEntry/entries}
+          entry.extract(dest)
+          entry = stream.getNextEntry()
+          currentEntry++
+        } while (entry != null && building)
+      }
+
+      if (building) {
+        withContext(Dispatchers.JavaFx) {
+          progressBar.progress = ProgressBar.INDETERMINATE_PROGRESS
+          statusBar.text = "Building Minecraft Server..."
+        }
+        val builder = ProcessBuilder("java", "-jar", "BuildTools.jar", "--rev", "latest", "-o", ".." + File.separator + ".." + File.separator)
+        builder.directory(File(directory + "ServerForDummies" + File.separator + "Spigot"))
+        val proc = builder.start()
+        val reader = InputStreamReader(proc.inputStream)
+        val br = BufferedReader(reader)
+        try {
+          var line = br.readLine()
+          var currentline = 0.0
+          while (line != null) {
+            if (!building) {
+              proc.destroy()
+            }
+            println(line)
+            line = br.readLine()
+            currentline++
+            if (currentline > 15) {
+              withContext(Dispatchers.JavaFx) {progressBar.progress = if (spigotBuilt) {currentline/1100.0} else {currentline/14122.0} }
+            }
+          }
+        } catch (e: IOException) {
+          println("Stream closed")
+        }
+      }
+
       progressBar.isVisible = false
       withContext(Dispatchers.JavaFx){
         worldSettingsPane.isDisable = false
         directoryPane.isDisable = false
         parentPane.isDisable = false
         startButton.isDisable = false
+        defaultsButton.isDisable = false
         buildButton.text = "Build Server"
         statusBar.text = if (building) {"Ready."} else {"Server build cancelled."}
         building = false;
@@ -220,6 +350,7 @@ class PrimaryController {
     directoryPane.isDisable = true
     parentPane.isDisable = true
     buildButton.isDisable = true
+    defaultsButton.isDisable = true
     startButton.text = "Kill Server"
     @Suppress("OPT_IN_USAGE")
     GlobalScope.launch(Dispatchers.Default) {
@@ -251,6 +382,7 @@ class PrimaryController {
         directoryPane.isDisable = false
         parentPane.isDisable = false
         buildButton.isDisable = false
+        defaultsButton.isDisable = false
         startButton.text = "Start Server"
         started = false
       }
@@ -337,6 +469,8 @@ class PrimaryController {
         if (hasServer) 
           break;
       }
+      if (hasServer) 
+        break;
     }
 
     val hasProperties = File(directory + File.separator + "server.properties").isFile
@@ -360,6 +494,7 @@ class PrimaryController {
     } else {
       // assume clean directory
       val result = createDialog("info", "There is no server in this directory.\nCreate one?", "Yes", "No", true)
+      File(directory + "ServerForDummies").mkdir()
       statusBar.text = "Ready."
       return result
     }

app/src/main/resources/xyz/brysonsteck/serverfordummies/primary.fxml

@@ -11,6 +11,7 @@
 <?import javafx.scene.control.ProgressBar?>
 <?import javafx.scene.control.Separator?>
 <?import javafx.scene.control.Spinner?>
+<?import javafx.scene.control.SpinnerValueFactory.IntegerSpinnerValueFactory?>
 <?import javafx.scene.control.TextField?>
 <?import javafx.scene.control.TitledPane?>
 <?import javafx.scene.control.Tooltip?>
@@ -67,7 +68,7 @@
                   <Insets bottom="5.0" left="5.0" right="5.0" top="6.0" />
                </HBox.margin>
             </Label>
-            <TextField fx:id="worldNameField" onInputMethodTextChanged="#onWorldNameChange">
+            <TextField fx:id="worldNameField" onInputMethodTextChanged="#onWorldNameChange" text="world">
                <HBox.margin>
                   <Insets top="2.0" />
                </HBox.margin>
@@ -85,7 +86,7 @@
                   <Insets bottom="5.0" left="5.0" right="5.0" top="6.0" />
                </HBox.margin>
             </Label>
-            <TextField fx:id="seedField" onInputMethodTextChanged="#onSeedChange" prefHeight="23.0" prefWidth="448.0">
+            <TextField fx:id="seedField" onInputMethodTextChanged="#onSeedChange" prefHeight="23.0" prefWidth="448.0" promptText="Leave empty for random seed">
                <HBox.margin>
                   <Insets top="2.0" />
                </HBox.margin>
@@ -107,6 +108,9 @@
                <HBox.margin>
                   <Insets top="2.0" />
                </HBox.margin>
+               <valueFactory>
+                  <SpinnerValueFactory.IntegerSpinnerValueFactory amountToStepBy="1" initialValue="25565" max="60000" min="20000" />
+               </valueFactory>
             </Spinner>
          </children>
          <opaqueInsets>
@@ -120,43 +124,67 @@
                 <AnchorPane minHeight="0.0" minWidth="0.0" prefHeight="311.0" prefWidth="625.0">
                      <children>
                         <CheckBox fx:id="flightCheckbox" layoutX="14.0" layoutY="14.0" mnemonicParsing="false" onMouseClicked="#onCheckboxClick" text="Allow Flight" />
-                        <CheckBox fx:id="netherCheckbox" layoutX="14.0" layoutY="42.0" mnemonicParsing="false" onMouseClicked="#onCheckboxClick" text="Allow The Nether" />
+                        <CheckBox fx:id="netherCheckbox" layoutX="14.0" layoutY="42.0" mnemonicParsing="false" onMouseClicked="#onCheckboxClick" selected="true" text="Allow The Nether" />
-                        <CheckBox fx:id="structuresCheckbox" alignment="TOP_LEFT" layoutX="14.0" layoutY="70.0" mnemonicParsing="false" onMouseClicked="#onCheckboxClick" prefHeight="45.0" prefWidth="231.0" text="Generate Structures&#10;(such as villages and strongholds)" />
+                        <CheckBox fx:id="structuresCheckbox" alignment="TOP_LEFT" layoutX="14.0" layoutY="70.0" mnemonicParsing="false" onMouseClicked="#onCheckboxClick" prefHeight="45.0" prefWidth="231.0" selected="true" text="Generate Structures&#10;(such as villages and strongholds)" />
-                        <CheckBox fx:id="pvpCheckbox" layoutX="14.0" layoutY="109.0" mnemonicParsing="false" onMouseClicked="#onCheckboxClick" text="Allow PvP" />
+                        <CheckBox fx:id="pvpCheckbox" layoutX="14.0" layoutY="109.0" mnemonicParsing="false" onMouseClicked="#onCheckboxClick" selected="true" text="Allow PvP" />
                         <CheckBox fx:id="whitelistCheckbox" alignment="TOP_LEFT" layoutX="14.0" layoutY="138.0" mnemonicParsing="false" onMouseClicked="#onCheckboxClick" prefHeight="45.0" prefWidth="231.0" text="Enable Whitelist&#10;(Only users you specify can join)" />
-                        <Spinner fx:id="maxPlayerSpinner" layoutX="130.0" layoutY="179.0" prefHeight="23.0" prefWidth="99.0" />
+                        <Spinner fx:id="maxPlayerSpinner" layoutX="130.0" layoutY="179.0" prefHeight="23.0" prefWidth="99.0">
+                           <valueFactory>
+                              <SpinnerValueFactory.IntegerSpinnerValueFactory amountToStepBy="1" initialValue="20" max="1000" min="0" />
+                           </valueFactory>
+                        </Spinner>
                         <Label layoutX="14.0" layoutY="183.0" text="Maximum Players:" />
-                        <Spinner fx:id="maxSizeSpinner" layoutX="214.0" layoutY="212.0" prefHeight="23.0" prefWidth="155.0" />
+                        <Spinner fx:id="maxSizeSpinner" layoutX="214.0" layoutY="212.0" prefHeight="23.0" prefWidth="155.0">
+                           <valueFactory>
+                              <SpinnerValueFactory.IntegerSpinnerValueFactory amountToStepBy="1" initialValue="29999984" max="29999984" min="1" />
+                           </valueFactory>
+                        </Spinner>
                         <Label layoutX="14.0" layoutY="216.0" text="Maximum World Size (in blocks):" />
                      </children>
                   </AnchorPane>
               </content>
             </TitledPane>
-            <TitledPane fx:id="advancedPane" animated="false" layoutX="10.0" layoutY="289.0" prefHeight="259.0" prefWidth="627.0" text="Advanced Server Settings">
+            <TitledPane fx:id="advancedPane" expanded="false" layoutX="10.0" layoutY="289.0" prefHeight="259.0" prefWidth="627.0" text="Advanced Server Settings">
               <content>
                 <AnchorPane minHeight="0.0" minWidth="0.0" prefHeight="269.0" prefWidth="625.0">
                      <children>
                         <CheckBox fx:id="cmdBlocksCheckbox" layoutX="14.0" layoutY="14.0" mnemonicParsing="false" onMouseClicked="#onCheckboxClick" text="Enable Command Blocks" />
                         <CheckBox fx:id="playerCountCheckbox" layoutX="14.0" layoutY="41.0" mnemonicParsing="false" onMouseClicked="#onCheckboxClick" text="Hide Online Player Count" />
-                        <Spinner fx:id="memorySpinner" layoutX="154.0" layoutY="69.0" prefHeight="23.0" prefWidth="99.0" />
+                        <Spinner fx:id="memorySpinner" layoutX="154.0" layoutY="69.0" prefHeight="23.0" prefWidth="99.0">
+                           <valueFactory>
+                              <SpinnerValueFactory.IntegerSpinnerValueFactory amountToStepBy="1" initialValue="1024" max="65536" min="512" />
+                           </valueFactory>
+                        </Spinner>
                         <Label ellipsisString="" layoutX="14.0" layoutY="73.0" text="Server Memory in MB:" textOverrun="CLIP">
                            <tooltip>
                               <Tooltip text="This is the amount of RAM that will get passed to Minecraft/the JVM.&#10;For simple servers, 1024 MB will be plenty.&#10;If you typically have more than 5 concurrent players, consider allocating more." />
                            </tooltip>
                         </Label>
-                        <Spinner fx:id="spawnSpinner" layoutX="172.0" layoutY="100.0" prefHeight="23.0" prefWidth="99.0" />
+                        <Spinner fx:id="spawnSpinner" layoutX="172.0" layoutY="100.0" prefHeight="23.0" prefWidth="99.0">
+                           <valueFactory>
+                              <SpinnerValueFactory.IntegerSpinnerValueFactory amountToStepBy="1" initialValue="16" max="29999984" min="0" />
+                           </valueFactory>
+                        </Spinner>
                         <Label layoutX="14.0" layoutY="104.0" text="Spawn Protection Radius:">
                            <tooltip>
                               <Tooltip text="All blocks in a radius from 0,~,0 will be unbreakable. &#10;If you want to break blocks within spawn, change this value." />
                            </tooltip>
                         </Label>
-                        <Spinner fx:id="simulationSpinner" layoutX="147.0" layoutY="132.0" prefHeight="23.0" prefWidth="99.0" />
+                        <Spinner fx:id="simulationSpinner" layoutX="147.0" layoutY="132.0" prefHeight="23.0" prefWidth="99.0">
+                           <valueFactory>
+                              <SpinnerValueFactory.IntegerSpinnerValueFactory amountToStepBy="1" initialValue="10" max="40" min="0" />
+                           </valueFactory>
+                        </Spinner>
                         <Label layoutX="14.0" layoutY="136.0" text="Simulation Distance:">
                            <tooltip>
                               <Tooltip text="The radius of chunks for each player where ticks will be updated.&#10;In other words, anything outside these circles, such as furnaces, mobs, etc, will not be updated or simulated." />
                            </tooltip>
                         </Label>
-                        <Spinner fx:id="renderSpinner" layoutX="124.0" layoutY="165.0" prefHeight="23.0" prefWidth="99.0" />
+                        <Spinner fx:id="renderSpinner" layoutX="124.0" layoutY="165.0" prefHeight="23.0" prefWidth="99.0">
+                           <valueFactory>
+                              <SpinnerValueFactory.IntegerSpinnerValueFactory amountToStepBy="1" initialValue="10" max="40" min="2" />
+                           </valueFactory>
+                        </Spinner>
                         <Label layoutX="14.0" layoutY="169.0" text="Render Distance:">
                            <tooltip>
                               <Tooltip text="The radius of chunks where the server will render the view distance.&#10;Any value higher on a client than what is set will be ignored.&#10;Higher values will be more demanding on the server." />
@@ -167,7 +195,11 @@
                               <Tooltip text="If the server cannot update ticks (i.e. &quot;lags&quot;) for longer than this amount of time, the server will shutdown.&#10;60000 ms (60 seconds) is the default." />
                            </tooltip>
                         </Label>
-                        <Spinner fx:id="maxTickSpinner" layoutX="246.0" layoutY="199.0" prefHeight="23.0" prefWidth="99.0" />
+                        <Spinner fx:id="maxTickSpinner" layoutX="246.0" layoutY="199.0" prefHeight="23.0" prefWidth="99.0">
+                           <valueFactory>
+                              <SpinnerValueFactory.IntegerSpinnerValueFactory amountToStepBy="1" initialValue="60000" max="180000" min="10000" />
+                           </valueFactory>
+                        </Spinner>
                      </children>
                   </AnchorPane>
               </content>
@@ -207,21 +239,13 @@
                   </AnchorPane>
                </content>
             </TitledPane>
-            <TitledPane fx:id="worldTypePane1" animated="false" collapsible="false" layoutX="649.0" layoutY="265.0" prefHeight="283.0" prefWidth="305.0" text="Whitelist">
-               <content>
-                  <AnchorPane minHeight="0.0" minWidth="0.0" prefHeight="94.0" prefWidth="303.0">
-                     <children>
-                        <ChoiceBox layoutX="14.0" layoutY="14.0" prefHeight="23.0" prefWidth="276.0" />
-                     </children>
-                  </AnchorPane>
-               </content>
-            </TitledPane>
          </children>
       </Pane>
-      <ButtonBar fx:id="buttonBar" disable="true" layoutY="635.0" prefHeight="40.0" prefWidth="963.0">
+      <ButtonBar fx:id="buttonBar" buttonOrder="L+R" disable="true" layoutY="635.0" prefHeight="40.0" prefWidth="963.0">
         <buttons>
-            <Button fx:id="buildButton" mnemonicParsing="false" onMouseClicked="#onBuild" text="Build Server" />
+            <Button fx:id="defaultsButton" mnemonicParsing="false" onMouseClicked="#onBuild" text="Reset to Defaults" ButtonBar.buttonData="LEFT" />
-          <Button fx:id="startButton" defaultButton="true" mnemonicParsing="false" prefWidth="120.0" onMouseClicked="#onStart" text="Start Server" />
+            <Button fx:id="buildButton" mnemonicParsing="false" onMouseClicked="#onBuild" text="Build Server" ButtonBar.buttonData="RIGHT" />
+          <Button fx:id="startButton" defaultButton="true" mnemonicParsing="false" onMouseClicked="#onStart" prefWidth="120.0" text="Start Server" ButtonBar.buttonData="RIGHT" />
         </buttons>
          <padding>
             <Insets bottom="8.0" left="8.0" right="8.0" top="8.0" />