source: java/PlatformTools/src/net/oni2/platformtools/applicationinvoker/Wine.java@ 1201

package net.oni2.platformtools.applicationinvoker;

import java.io.File;
import java.io.IOException;
import java.util.Vector;

import net.oni2.platformtools.PlatformInformation;
import net.oni2.platformtools.PlatformInformation.Platform;

/**
 * @author Christian Illy
 */
public class Wine {
        private static File winePath = null;
        private static int isInst = -1;

        /**
         * @return Is Wine installed?
         */
        public static boolean isInstalled() {
                if (isInst < 0)
                        getRuntimeExe();
                return isInst == 1;
        }

        /**
         * @return path to wine, null if not found or not Linux
         */
        public static File getRuntimeExe() {
                if (isInst < 0) {
                        isInst = 0;
                        if (PlatformInformation.getPlatform() == Platform.LINUX) {
                                Vector<String> params = new Vector<String>();
                                params.add("wine");
                                ApplicationInvocationResult res = null;
                                try {
                                        res = ApplicationInvoker.executeAndWait(EExeType.OSBINARY,
                                                        null, new File("which"), params, false);
                                } catch (IOException e) {
                                        e.printStackTrace();
                                } catch (ERuntimeNotInstalledException e) {
                                        e.printStackTrace();
                                }
                                if (res != null) {
                                        if (res.output.size() > 0) {
                                                if (res.output.get(0).startsWith("/")
                                                                && res.output.get(0).endsWith("wine")) {
                                                        winePath = new File(res.output.get(0));
                                                        isInst = 1;
                                                }
                                        }
                                }
                        }
                }
                return winePath;
        }
}