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CLAUDE.md

This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

Build Commands

This is a Gradle-based Java/Kotlin project focused on SWT (Standard Widget Toolkit) utilities. Standard gradle tasks.

macOS-specific Requirements

  • On macOS, SWT tests require the -XstartOnFirstThread JVM argument (automatically configured in build.gradle).

Project Architecture

Multi-Module Structure

DurianSwt is organized as a multi-module Gradle project with platform-specific implementations:

  • durian-swt.os: Platform detection utilities (OS, Arch, SwtPlatform) - no SWT dependencies
  • durian-swt: Main module with core SWT utilities and builders
  • platform-specific modules: (durian-swt.cocoa.macosx.aarch64, durian-swt.cocoa.macosx.x86_64, durian-swt.gtk.linux.x86_64, durian-swt.win32.win32.x86_64)

Native Components

macOS Deep Link Support (natives/mac-deep-link/)

Contains Objective-C code for handling deep links via a custom diffplug:// protocol on macOS without breaking SWT:

  • DeepLinkBridge.m: JNI bridge that intercepts URL open events from macOS
  • compile-one.sh: Compiles the native library for a specific architecture (x86_64 or arm64)
  • clean-and-build.sh: Builds for both architectures and deploys to appropriate module resources

To rebuild native libraries:

cd natives/mac-deep-link
./clean-and-build.sh  # Builds for both architectures
# Or compile for specific architecture:
./compile-one.sh arm64    # Apple Silicon
./compile-one.sh x86_64   # Intel

The resulting DeepLinkBridge.dylib files are placed in the platform-specific modules under src/main/resources/durian-swt-natives/.