英文:
How to detect macOS laptop is sleeping in Java
问题
问题：在Mac笔记本电脑上运行Java客户端，当Mac进入睡眠模式时（例如，当盖子关闭时），我的客户端的"pingServer"线程成功地向服务器发送了一个ping请求数据包（我在服务器上看到了ping请求数据包），但是当盖子关闭时，我们没有收到响应（可以理解）。
我想要检测MacBook Pro笔记本电脑何时进入睡眠模式，以便我可以中断ping线程，直到Mac不再处于睡眠状态。
我看到Desktop类中有一个"SystemSleepListener"，但我没有找到任何实现的代码示例。
如何在Java中检测macOS的睡眠模式？
英文:
Problem:
Running Java client on a Mac Laptop, When the Mac goes into sleep mode (for example when the lid is closed), my client "pingServer" thread successfully sends a ping request packet to the server (I see the ping request packet in the server), however when the lid is closed, we do not receive a response. (Understandably)
I want to detect that the MacBook Pro laptop is going to sleep or is sleeping, so I can interrupt the ping thread until the Mac is no longer sleeping.
I have seen a "SystemSleepListener" in the Desktop class, but I have not found any code examples of implementation.
How can I detect macOS sleep mode in Java?
答案1
得分: 4
这应该是可能的，而不使用仅在Apple Java中可用的类：
import java.awt.Desktop;
Desktop desktop = Desktop.getDesktop();
SystemSleepListener systemSleepListener = new SystemSleepListener() {
@Override
public void systemAboutToSleep(SystemSleepEvent e) {
System.out.println("Going to sleep");
}
@Override
public void systemAwoke(SystemSleepEvent e) {
}
};
desktop.addAppEventListener(systemSleepListener);
请注意，某些平台不支持 SystemSleepListener。您可以通过调用以下方式来检查是否支持：
desktop.isSupported(Desktop.Action.APP_EVENT_SYSTEM_SLEEP)
英文:
This should be possible without using classes only available in Apple Java:
import java.awt.Desktop;
Desktop desktop = Desktop.getDesktop();
SystemSleepListener systemSleepListener = new SystemSleepListener() {
@Override
public void systemAboutToSleep(SystemSleepEvent e) {
System.out.println("Going to sleep");
}
@Override
public void systemAwoke(SystemSleepEvent e) {
}
};
desktop.addAppEventListener(systemSleepListener);
Note that some platforms do not support SystemSleepListener. You can check if it is supported by calling
desktop.isSupported(Desktop.Action.APP_EVENT_SYSTEM_SLEEP)
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