--- /dev/null	2019-05-02 14:04:09.000000000 -0400
+++ new/src/jdk.jpackage/share/native/libapplauncher/Platform.cpp	2019-05-02 14:04:06.189520700 -0400
@@ -0,0 +1,173 @@
+/*
+ * Copyright (c) 2014, 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 "Platform.h"
+#include "Messages.h"
+#include "PlatformString.h"
+#include "FilePath.h"
+
+#include <fstream>
+#include <locale>
+
+#ifdef WINDOWS
+#include "WindowsPlatform.h"
+#endif // WINDOWS
+#ifdef LINUX
+#include "LinuxPlatform.h"
+#endif // LINUX
+#ifdef MAC
+#include "MacPlatform.h"
+#endif // MAC
+
+Platform& Platform::GetInstance() {
+#ifdef WINDOWS
+    static WindowsPlatform instance;
+#endif // WINDOWS
+
+#ifdef LINUX
+    static LinuxPlatform instance;
+#endif // LINUX
+
+#ifdef MAC
+    static MacPlatform instance;
+#endif // MAC
+
+    return instance;
+}
+
+TString Platform::GetConfigFileName() {
+    TString result;
+    TString basedir = GetPackageAppDirectory();
+
+    if (basedir.empty() == false) {
+        basedir = FilePath::IncludeTrailingSeparator(basedir);
+        TString appConfig = basedir + GetAppName() + _T(".cfg");
+
+        if (FilePath::FileExists(appConfig) == true) {
+            result = appConfig;
+        }
+        else {
+            result = basedir + _T("package.cfg");
+
+            if (FilePath::FileExists(result) == false) {
+                result = _T("");
+            }
+        }
+    }
+
+    return result;
+}
+
+std::list<TString> Platform::LoadFromFile(TString FileName) {
+    std::list<TString> result;
+
+    if (FilePath::FileExists(FileName) == true) {
+        std::wifstream stream(FileName.data());
+        InitStreamLocale(&stream);
+
+        if (stream.is_open() == true) {
+            while (stream.eof() == false) {
+                std::wstring line;
+                std::getline(stream, line);
+
+                // # at the first character will comment out the line.
+                if (line.empty() == false && line[0] != '#') {
+                    result.push_back(PlatformString(line).toString());
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+void Platform::SaveToFile(TString FileName, std::list<TString> Contents, bool ownerOnly) {
+    TString path = FilePath::ExtractFilePath(FileName);
+
+    if (FilePath::DirectoryExists(path) == false) {
+        FilePath::CreateDirectory(path, ownerOnly);
+    }
+
+    std::wofstream stream(FileName.data());
+    InitStreamLocale(&stream);
+
+    FilePath::ChangePermissions(FileName.data(), ownerOnly);
+
+    if (stream.is_open() == true) {
+        for (std::list<TString>::const_iterator iterator =
+                Contents.begin(); iterator != Contents.end(); iterator++) {
+            TString line = *iterator;
+            stream << PlatformString(line).toUnicodeString() << std::endl;
+        }
+    }
+}
+
+std::map<TString, TString> Platform::GetKeys() {
+    std::map<TString, TString> keys;
+    keys.insert(std::map<TString, TString>::value_type(CONFIG_VERSION,
+            _T("app.version")));
+    keys.insert(std::map<TString, TString>::value_type(CONFIG_MAINJAR_KEY,
+            _T("app.mainjar")));
+    keys.insert(std::map<TString, TString>::value_type(CONFIG_MAINMODULE_KEY,
+            _T("app.mainmodule")));
+    keys.insert(std::map<TString, TString>::value_type(CONFIG_MAINCLASSNAME_KEY,
+            _T("app.mainclass")));
+    keys.insert(std::map<TString, TString>::value_type(CONFIG_CLASSPATH_KEY,
+            _T("app.classpath")));
+    keys.insert(std::map<TString, TString>::value_type(CONFIG_MODULEPATH_KEY,
+            _T("app.modulepath")));
+    keys.insert(std::map<TString, TString>::value_type(APP_NAME_KEY,
+            _T("app.name")));
+    keys.insert(std::map<TString, TString>::value_type(JAVA_RUNTIME_KEY,
+            _T("app.runtime")));
+    keys.insert(std::map<TString, TString>::value_type(JPACKAGE_APP_DATA_DIR,
+            _T("app.identifier")));
+    keys.insert(std::map<TString, TString>::value_type(CONFIG_SPLASH_KEY,
+            _T("app.splash")));
+    keys.insert(std::map<TString, TString>::value_type(CONFIG_APP_MEMORY,
+            _T("app.memory")));
+    keys.insert(std::map<TString, TString>::value_type(CONFIG_APP_DEBUG,
+            _T("app.debug")));
+    keys.insert(std::map<TString,
+            TString>::value_type(CONFIG_APPLICATION_INSTANCE,
+            _T("app.application.instance")));
+    keys.insert(std::map<TString,
+            TString>::value_type(CONFIG_SECTION_APPLICATION,
+            _T("Application")));
+    keys.insert(std::map<TString,
+            TString>::value_type(CONFIG_SECTION_JAVAOPTIONS,
+            _T("JavaOptions")));
+    keys.insert(std::map<TString,
+            TString>::value_type(CONFIG_SECTION_APPCDSJAVAOPTIONS,
+            _T("AppCDSJavaOptions")));
+    keys.insert(std::map<TString,
+            TString>::value_type(CONFIG_SECTION_APPCDSGENERATECACHEJAVAOPTIONS,
+            _T("AppCDSGenerateCacheJavaOptions")));
+    keys.insert(std::map<TString,
+            TString>::value_type(CONFIG_SECTION_ARGOPTIONS,
+            _T("ArgOptions")));
+
+    return keys;
+}