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Java Forum / General / January 2006Two quick questions
Hi all, just two quickies Firstly, is there any way of making a Java method to shutdown a computer? I need to be able to shitdown the server from a remote location, I can do the sockets and all that bit but the only way I can think of at the moment is moving the mouse around and shutting it down like that, which could take a while to code. Secondly, This may sound really simple but which Audio class from the Java 1.4.2 API should be used to open, play, stop and pause audio files preferably *.mp3 and *.wma. I keep looking through the API but cant find a single class which seems to deal with this. Thanks in advance on either/both points JS what server ? running what ? JNI, Corba etc should do it. Sorry, I forgot about details of the system. its a simple win98SE installation that i want to shutdown. I can call the method easily enough over the network but its what the method does that im stuck on. Thanks for your help so far everyone, any more suggestions welcome JS > what server ? running what ? > JNI, Corba etc should do it. >Sorry, I forgot about details of the system. its a simple win98SE >installation that i want to shutdown. I can call the method easily enough >over the network but its what the method does that im stuck on. see http://mindprod.com/jgloss/shutdown.html  SignatureCanadian Mind Products, Roedy Green. http://mindprod.com Java custom programming, consulting and coaching. >Firstly, is there any way of making a Java method to shutdown a computer? I >need to be able to shitdown the server from a remote location, I can do the >sockets and all that bit but the only way I can think of at the moment is >moving the mouse around and shutting it down like that, which could take a >while to code. This is platform specific. You exec an external program or whatever your platform calls a bat file to do it. See http://mindprod.com/jgloss/exec.html SignatureCanadian Mind Products, Roedy Green. http://mindprod.com Java custom programming, consulting and coaching. >Secondly, This may sound really simple but which Audio class from the Java >1.4.2 API should be used to open, play, stop and pause audio files >preferably *.mp3 and *.wma. I keep looking through the API but cant find a >single class which seems to deal with this. >Thanks in advance on either/both points >JS see http://mindprod.com/jgloss/sound.html SignatureCanadian Mind Products, Roedy Green. http://mindprod.com Java custom programming, consulting and coaching. Hi, I will answer the first question, since the shutdown function is not a part of the standard Java AFAIK: 1. You have to write a DLL that uses a function like ExitWindowEx. 2. Use the JNI to access and use this DLL. -Haider > Firstly, is there any way of making a Java method to shutdown a computer? No. Since that's (very!) platform-dependent, probably the easiest thing to do is find the appropriate external command (for your combination of local and remote OSes -- which of course may be different), and then execute that program from Java. -- chris Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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