--- /dev/null	2019-04-24 19:30:57.000000000 -0400
+++ new/src/jdk.jpackage/windows/native/libjpackage/jpackage.cpp	2019-04-24 19:30:52.546125000 -0400
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2011, 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 <stdio.h>
+#include <stdlib.h>
+#include <string>
+#include <windows.h>
+
+#include "IconSwap.h"
+#include "VersionInfoSwap.h"
+#include "Utils.h"
+
+using namespace std;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+    /*
+     * Class:     jdk_jpackage_internal_WindowsAppImageBuilder
+     * Method:    iconSwap
+     * Signature: (Ljava/lang/String;Ljava/lang/String;)I
+     */
+    JNIEXPORT jint JNICALL Java_jdk_jpackage_internal_WindowsAppImageBuilder_iconSwap(
+            JNIEnv *pEnv, jclass c, jstring jIconTarget, jstring jLauncher) {
+        wstring iconTarget = GetStringFromJString(pEnv, jIconTarget);
+        wstring launcher = GetStringFromJString(pEnv, jLauncher);
+
+        if (ChangeIcon(iconTarget, launcher)) {
+            return 0;
+        }
+
+        return 1;
+    }
+
+    /*
+     * Class:     jdk_jpackage_internal_WindowsAppImageBuilder
+     * Method:    versionSwap
+     * Signature: (Ljava/lang/String;Ljava/lang/String;)I
+     */
+    JNIEXPORT jint JNICALL Java_jdk_jpackage_internal_WindowsAppImageBuilder_versionSwap(
+            JNIEnv *pEnv, jclass c, jstring jExecutableProperties, jstring jLauncher) {
+
+        wstring executableProperties = GetStringFromJString(pEnv, jExecutableProperties);
+        wstring launcher = GetStringFromJString(pEnv, jLauncher);
+
+        VersionInfoSwap vs(executableProperties, launcher);
+        if (vs.PatchExecutable()) {
+            return 0;
+        }
+
+        return 1;
+    }
+
+    BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) {
+        return TRUE;
+    }
+
+#ifdef __cplusplus
+}
+#endif