java-access-bridge-wrapper

import ctypes import queue import threading import time from ctypes import wintypes, byref from JABWrapper.jab_wrapper import JavaAccessBridgeWrapper from JABWrapper.context_tree import ContextTree # Optional, for element interaction def pump_background(pipe: queue.Queue): """Runs the Windows message pump in a background thread.""" try: jab_wrapper = JavaAccessBridgeWrapper() pipe.put(jab_wrapper) message = byref(wintypes.MSG()) # The message pump is essential for JAB to receive events while ctypes.windll.user32.GetMessageW(message, 0, 0, 0) > 0: ctypes.windll.user32.TranslateMessage(message) ctypes.windll.user32.DispatchMessageW(message) except Exception as err: pipe.put(None) print(f"Error in message pump: {err}") def main(): pipe = queue.Queue() # Start the message pump in a separate thread thread = threading.Thread(target=pump_background, daemon=True, args=[pipe]) thread.start() # Retrieve the initialized JABWrapper object from the background thread jab_wrapper = pipe.get() if not jab_wrapper: raise Exception("Failed to initialize Java Access Bridge Wrapper") print("Java Access Bridge Wrapper initialized.") # Give JAB a moment to process initial messages time.sleep(0.5) # Example: List available Java windows (requires a Java app running) try: windows = jab_wrapper.get_windows() if windows: print("\nDiscovered Java Windows:") for i, window in enumerate(windows): print(f" [{i+1}] Title: {window.title}, PID: {window.pid}") # Example: Attach to the first Java window found (if any) if len(windows) > 0: first_window = windows[0] print(f"\nAttempting to switch to: {first_window.title}") jab_wrapper.switch_window_by_title(first_window.title) print(f"Successfully switched to window: {jab_wrapper.get_main_frame_title()}") # Optional: Get and print the context tree of the active window print("\nBuilding context tree...") context_tree = ContextTree(jab_wrapper) # This can be very verbose, only print a few levels or specific elements # For a full tree, consider pretty-printing or specific searches # print(context_tree.get_tree_string()) print(f"Root element role: {context_tree.get_root().role}, name: {context_tree.get_root().name}") else: print("No Java windows found. Please ensure a Java application is running.") except Exception as e: print(f"An error occurred during interaction: {e}") finally: print("\nShutting down Java Access Bridge Wrapper.") if jab_wrapper: jab_wrapper.shutdown() thread.join(timeout=1) # Give the thread a moment to finish cleanly if __name__ == "__main__": # Ensure Java Access Bridge is enabled and a Java application is running. # For testing, you might need a simple Swing/AWT app. main()