Detect OS Sleep and Wake Up events in Java

Question

Is there a way for a Java program to detect when the operating system is about to go to sleep, or failing that, at least detecting a wake up?

The actual problem is t

Answer 1

You could just JNI or JNA to trap the sleep/wakeup events from the OS.

From Windows Power Events (MSDN), you would have to create a Window handler and a null window to receive the WM_POWERBROADCAST events. This window procedure could then call an event function in your Java code to bubble the message up.