java: added lombok support

home/programs/default.nix

@@ -12,6 +12,7 @@
     ./git.nix
     ./github.nix
     ./go.nix
+    ./java.nix
     ./jellyfin.nix
     ./jetbrains-idea.nix
     ./kitty.nix

home/programs/java.nix

@@ -0,0 +1,28 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}:
+let
+  cfg = config.profile.home.programs.java;
+  inherit (lib) mkIf;
+  version = "1.18.36";
+  lombokJar = pkgs.fetchurl {
+    url = "https://projectlombok.org/downloads/lombok-${version}.jar";
+    sha256 = "sha256-c7awW2otNltwC6sI0w+U3p0zZJC8Cszlthgf70jL8Y4=";
+  };
+in
+{
+  config = mkIf cfg.enable {
+    # This registers lombok jar to the Java classpath
+    # https://github.com/NixOS/nixpkgs/blob/689fed12a013f56d4c4d3f612489634267d86529/pkgs/development/libraries/java/lombok/default.nix#L21
+    home.packages = [ pkgs.lombok ];
+
+    # This one adds the lombok jar to the session variables so programs
+    # can find it if they cannot find it in the classpath.
+    home.sessionVariables = {
+      LOMBOK_JAR = lombokJar;
+    };
+  };
+}

options/programs.nix

@@ -74,6 +74,7 @@
     home.programs = {
       zathura.enable = lib.mkEnableOption "zathura";
       floorp.enable = lib.mkEnableOption "floorp";
+      java.enable = lib.mkEnableOption "java";
       zellij = {
         enable = lib.mkEnableOption "zellij";
 

profiles/castle.nix

@@ -113,6 +113,7 @@ in
       elisa.enable = true;
       obsidian.enable = true;
       jetbrains.idea.enable = true;
+      java.enable = true;
     };
 
     programs.mongodb-compass.enable = true;