/*
* Grundlage ist dieser Artikel:
* http://www.javaworld.com/javaworld/jw-12-2000/jw-1229-traps.html
* Diese Klasse ruft die Windows Kommandozeile mit Parameterstring auf.
*/
public class WindowsExec
{
 
    public void execute(String commandline)
    {
        try
        {
            String osName = System.getProperty("os.name");
            //System.out.println("osName: " + osName);
            String[] cmd = new String[3];
            if (osName.equals("Windows NT") | osName.equals("Windows XP"))
            {
                cmd[0] = "cmd.exe";
                cmd[1] = "/C";
                cmd[2] = commandline;
            }
            else if (osName.equals("Windows 95") | osName.equals("Windows 98"))
            {
                cmd[0] = "command.com";
                cmd[1] = "/C";
                cmd[2] = commandline;
            }
            Runtime rt = Runtime.getRuntime();
            System.out.println("Executing: " + 
                                      cmd[0] + " " + cmd[1] + " " + cmd[2]);
            Process proc = rt.exec(cmd);
            // any error message?
            StreamFetcher errorFetcher = 
                    new StreamFetcher(proc.getErrorStream(), "    ERROR> ");
            // any output?
            StreamFetcher outputFetcher = 
                    new StreamFetcher(proc.getInputStream(), "   OUTPUT> ");
            // kick them off
            errorFetcher.start();
            outputFetcher.start();
            // any error???
            int exitVal = proc.waitFor();
            //int exitVal = proc.exitValue();
            System.out.println("ExitValue: " + exitVal);
        }
        catch (Throwable t)
        {
            t.printStackTrace();
        }
    }
}