jnatest.groovy

jnatest.groovy

@Grab('net.java.dev.jna:jna:3.2.7') 

import com.sun.jna.*
import com.sun.jna.win32.*

interface Kernel32Library extends StdCallLibrary {
   Kernel32Library INSTANCE = Native.loadLibrary("kernel32", Kernel32Library.class)
   boolean SetCurrentDirectoryA(String dir)

   public static class SYSTEMTIME extends Structure {
        public short wYear
        public short wMonth
        public short wDayOfWeek
        public short wDay
        public short wHour
        public short wMinute
        public short wSecond
        public short wMilliseconds
    }
    void GetSystemTime(SYSTEMTIME result)
}

Kernel32Library.INSTANCE.SetCurrentDirectoryA("c:/Documents and Settings")
println "cmd /C cd".execute().text

println "--------------"

Kernel32Library.SYSTEMTIME time = new Kernel32Library.SYSTEMTIME()
Kernel32Library.INSTANCE.GetSystemTime(time)
println time.toString()