Finishes custom java path

Adds missing menu items
Adds menu item functionality

src/main/java/net/knarcraft/minecraftserverlauncher/profile/ServerLauncherController.java

@@ -94,26 +94,44 @@ public class ServerLauncherController {
     /**
      * Gets the command for running java
      *
-     * <p>To play on the newest version of Minecraft, this needs to be JDK 16. Can be just "java" or a file path.</p>
+     * @return <p>The command for running Java</p>
-     *
-     * @return <p>The command for running java</p>
      */
     public String getJavaCommand() {
         return javaCommand;
     }
 
     /**
-     * Gets the command for running older versions of java
+     * Gets the command for running older versions of Java
      *
      * <p>The command used to run older minecraft server versions. JRE 8 should probably work.
      * Can be just "java" or a file path.</p>
      *
-     * @return <p>The command for running older versions of java</p>
+     * @return <p>The command for running older versions of Java</p>
      */
     public String getOldJavaCommand() {
         return oldJavaCommand;
     }
 
+    /**
+     * Sets the command for running Java
+     *
+     * <p>To play on the newest version of Minecraft, this needs to be JDK 16. Can be just "java" or a file path.</p>
+     *
+     * @param javaCommand <p>The command used for running Java</p>
+     */
+    public void setJavaCommand(String javaCommand) {
+        this.javaCommand = javaCommand;
+    }
+
+    /**
+     * Sets the command for running older versions of java
+     *
+     * @param oldJavaCommand <p>The command used for running older versions of Java</p>
+     */
+    public void setOldJavaCommand(String oldJavaCommand) {
+        this.oldJavaCommand = oldJavaCommand;
+    }
+
     @Override
     public String toString() {
         int guiWidth;

src/main/java/net/knarcraft/minecraftserverlauncher/userinterface/ServerLauncherMenu.java

@@ -19,6 +19,8 @@ public class ServerLauncherMenu implements ActionListener {
     private JCheckBoxMenuItem runInBackgroundCheckBoxMenuItem;
     private JCheckBoxMenuItem delayStartupCheckBoxMenuItem;
     private JCheckBoxMenuItem downloadJarsCheckBoxMenuItem;
+    private JMenuItem javaCommandMenuItem;
+    private JMenuItem oldJavaCommandMenuItem;
     //Help
     private JMenuItem errorsMenuItem;
     private JMenuItem setupMenuItem;
@@ -27,6 +29,8 @@ public class ServerLauncherMenu implements ActionListener {
     private JMenuItem runInBackgroundMenuItem;
     private JMenuItem delayStartupMenuItem;
     private JMenuItem downloadJarsMenuItem;
+    private JMenuItem javaCommandInfoMenuItem;
+    private JMenuItem oldJavaCommandInfoMenuItem;
     //Info/about
     private JMenuItem aboutMenuItem;
     private JMenuItem storyMenuItem;
@@ -66,6 +70,14 @@ public class ServerLauncherMenu implements ActionListener {
         mnOptions.add(downloadJarsCheckBoxMenuItem);
         downloadJarsCheckBoxMenuItem.addActionListener(this);
 
+        javaCommandMenuItem = new JMenuItem("Java command");
+        mnOptions.add(javaCommandMenuItem);
+        javaCommandMenuItem.addActionListener(this);
+
+        oldJavaCommandMenuItem = new JMenuItem("Old Java command");
+        mnOptions.add(oldJavaCommandMenuItem);
+        oldJavaCommandMenuItem.addActionListener(this);
+
         JMenu mnHelp = new JMenu("Help");
         menuBar.add(mnHelp);
 
@@ -99,6 +111,14 @@ public class ServerLauncherMenu implements ActionListener {
         mnOptionsInfo.add(downloadJarsMenuItem);
         downloadJarsMenuItem.addActionListener(this);
 
+        javaCommandInfoMenuItem = new JMenuItem("Java command");
+        mnOptionsInfo.add(javaCommandInfoMenuItem);
+        javaCommandInfoMenuItem.addActionListener(this);
+
+        oldJavaCommandInfoMenuItem = new JMenuItem("Old Java command");
+        mnOptionsInfo.add(oldJavaCommandInfoMenuItem);
+        oldJavaCommandInfoMenuItem.addActionListener(this);
+
         JMenu mnAbout = new JMenu("About");
         mnInfo.add(mnAbout);
 
@@ -111,6 +131,9 @@ public class ServerLauncherMenu implements ActionListener {
         storyMenuItem.addActionListener(this);
     }
 
+    /**
+     * Updates the state of checkboxes based on whether options are enabled
+     */
     public void update() {
         runInBackgroundCheckBoxMenuItem.setState(controller.getRunInBackground());
         delayStartupCheckBoxMenuItem.setState(controller.getDelayStartup() > 0);
@@ -126,6 +149,10 @@ public class ServerLauncherMenu implements ActionListener {
             delay();
         } else if (actionSource == downloadJarsCheckBoxMenuItem) {
             downloadJars();
+        } else if (actionSource == javaCommandMenuItem) {
+            configureJava(false);
+        } else if (actionSource == oldJavaCommandMenuItem) {
+            configureJava(true);
         } else if (actionSource == errorsMenuItem) {
             CommonFunctions.goToURL(serverLauncherGUI.getMessage("infoURL"));
         } else if (actionSource == setupMenuItem) {
@@ -138,6 +165,10 @@ public class ServerLauncherMenu implements ActionListener {
             serverLauncherGUI.showMessage("Delay startup", serverLauncherGUI.getMessage("delayStartupText"));
         } else if (actionSource == downloadJarsMenuItem) {
             serverLauncherGUI.showMessage("Download jars", serverLauncherGUI.getMessage("downloadJarsText"));
+        } else if (actionSource == javaCommandInfoMenuItem) {
+            serverLauncherGUI.showMessage("Java command", serverLauncherGUI.getMessage("javaCommandText"));
+        } else if (actionSource == oldJavaCommandInfoMenuItem) {
+            serverLauncherGUI.showMessage("Old Java command", serverLauncherGUI.getMessage("oldJavaCommandText"));
         } else if (actionSource == aboutMenuItem) {
             serverLauncherGUI.showMessage("About", serverLauncherGUI.getMessage("aboutText"));
         } else if (actionSource == storyMenuItem) {
@@ -145,6 +176,24 @@ public class ServerLauncherMenu implements ActionListener {
         }
     }
 
+    /**
+     * Asks the user for the new Java path
+     * @param old <p>Whether asking for the path to the old java version</p>
+     */
+    private void configureJava(boolean old) {
+        if (old) {
+            String response = JOptionPane.showInputDialog("Command or path to Java: ", controller.getOldJavaCommand());
+            if (response != null) {
+                controller.setOldJavaCommand(response);
+            }
+        } else {
+            String response = JOptionPane.showInputDialog("Command or path to Java: ", controller.getJavaCommand());
+            if (response != null) {
+                controller.setJavaCommand(response);
+            }
+        }
+    }
+
     /**
      * Asks the user for a delay if checked, and sets the value to the current profile
      */

src/main/resources/menumsg.csv

@@ -6,3 +6,5 @@ aboutText=This software was created to start and manage several servers simultan
 infoURL=https://archive.knarcraft.net/Scripts/BungeeMinecraftServerLauncherInfo/
 manualUpdateURL=https://git.knarcraft.net/KnarCraft/Minecraft-Server-Launcher/releases
 storyURL=https://archive.knarcraft.net/Scripts/BungeeMinecraftServerLauncherStory/
+javaCommandText=This option allows you to set a custom command/path to the Java executable used for Minecraft 1.17 and above. If "java" is currently pointing to Java 8, you can use this to set a custom one for running new Minecraft servers and BuildTools.
+oldJavaCommandText=This option allows you to set a custom command/path to the Java executable used for Minecraft 1.16 and below. If "java" is currently pointing to Java 16, you can use this to set a custom one for running old Minecraft servers.