--- /dev/null	2019-11-13 18:25:22.000000000 -0500
+++ new/src/jdk.incubator.jpackage/windows/native/libjpackage/Utils.cpp	2019-11-13 18:25:18.881445000 -0500
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2019, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+
+#include "Windows.h"
+#include "Utils.h"
+
+#define BUFFER_SIZE 4096
+
+wstring GetStringFromJString(JNIEnv *pEnv, jstring jstr) {
+    const jchar *pJChars = pEnv->GetStringChars(jstr, NULL);
+    if (pJChars == NULL) {
+        return wstring(L"");
+    }
+
+    wstring wstr(pJChars);
+
+    pEnv->ReleaseStringChars(jstr, pJChars);
+
+    return wstr;
+}
+
+jstring GetJStringFromString(JNIEnv *pEnv,
+            const jchar *unicodeChars, jsize len) {
+    return pEnv->NewString(unicodeChars, len);
+}
+
+wstring GetLongPath(wstring path) {
+    wstring result(L"");
+
+    size_t len = path.length();
+    if (len > 1) {
+        if (path.at(len - 1) == '\\') {
+            path.erase(len - 1);
+        }
+    }
+
+    TCHAR *pBuffer = new TCHAR[BUFFER_SIZE];
+    if (pBuffer != NULL) {
+        DWORD dwResult = GetLongPathName(path.c_str(), pBuffer, BUFFER_SIZE);
+        if (dwResult > 0 && dwResult < BUFFER_SIZE) {
+            result = wstring(pBuffer);
+        } else {
+            delete [] pBuffer;
+            pBuffer = new TCHAR[dwResult];
+            if (pBuffer != NULL) {
+                DWORD dwResult2 =
+                        GetLongPathName(path.c_str(), pBuffer, dwResult);
+                if (dwResult2 == (dwResult - 1)) {
+                    result = wstring(pBuffer);
+                }
+            }
+        }
+
+        if (pBuffer != NULL) {
+            delete [] pBuffer;
+        }
+    }
+
+    return result;
+}