--- /dev/null	2018-10-22 10:23:29.000000000 -0400
+++ new/src/demo/share/jpackager/JNLPConverter/src/jnlp/converter/Platform.java	2018-10-22 10:23:27.354989200 -0400
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package jnlp.converter;
+
+import java.util.regex.Pattern;
+
+public enum Platform {
+    UNKNOWN, WINDOWS, LINUX, MAC;
+    private static final Platform platform;
+    private static final int majorVersion;
+    private static final int minorVersion;
+
+    static {
+        String os = System.getProperty("os.name").toLowerCase();
+
+        if (os.contains("win")) {
+            platform = Platform.WINDOWS;
+        } else if (os.contains("nix") || os.contains("nux")) {
+            platform = Platform.LINUX;
+        } else if (os.contains("mac")) {
+            platform = Platform.MAC;
+        } else {
+            platform = Platform.UNKNOWN;
+        }
+
+        String version = System.getProperty("os.version");
+        String[] parts = version.split(Pattern.quote("."));
+
+        if (parts.length > 0) {
+            majorVersion = Integer.parseInt(parts[0]);
+
+            if (parts.length > 1) {
+                minorVersion = Integer.parseInt(parts[0]);
+            } else {
+                minorVersion = -1;
+            }
+        } else {
+            majorVersion = -1;
+            minorVersion = -1;
+        }
+    }
+
+    private Platform() {
+    }
+
+    public static Platform getPlatform() {
+        return platform;
+    }
+
+    public static boolean isWindows() {
+        return (platform == Platform.WINDOWS);
+    }
+
+    public static int getMajorVersion() {
+        return majorVersion;
+    }
+
+    public static int getMinorVersion() {
+        return minorVersion;
+    }
+}