--- /dev/null	2019-11-18 20:50:58.000000000 -0500
+++ new/src/jdk.incubator.jpackage/share/classes/jdk/incubator/jpackage/internal/ApplicationLayout.java	2019-11-18 20:50:55.129014900 -0500
@@ -0,0 +1,153 @@
+/*
+ * 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.
+ */
+package jdk.incubator.jpackage.internal;
+
+import java.nio.file.Path;
+import java.util.Map;
+
+
+/**
+ * Application directory layout.
+ */
+public final class ApplicationLayout implements PathGroup.Facade<ApplicationLayout> {
+    enum PathRole {
+        RUNTIME, APP, LAUNCHERS, DESKTOP, APP_MODS, DLLS
+    }
+
+    ApplicationLayout(Map<Object, Path> paths) {
+        data = new PathGroup(paths);
+    }
+
+    private ApplicationLayout(PathGroup data) {
+        this.data = data;
+    }
+
+    @Override
+    public PathGroup pathGroup() {
+        return data;
+    }
+
+    @Override
+    public ApplicationLayout resolveAt(Path root) {
+        return new ApplicationLayout(pathGroup().resolveAt(root));
+    }
+
+    /**
+     * Path to launchers directory.
+     */
+    public Path launchersDirectory() {
+        return pathGroup().getPath(PathRole.LAUNCHERS);
+    }
+
+    /**
+     * Path to directory with dynamic libraries.
+     */
+    public Path dllDirectory() {
+        return pathGroup().getPath(PathRole.DLLS);
+    }
+
+    /**
+     * Path to application data directory.
+     */
+    public Path appDirectory() {
+        return pathGroup().getPath(PathRole.APP);
+    }
+
+    /**
+     * Path to Java runtime directory.
+     */
+    public Path runtimeDirectory() {
+        return pathGroup().getPath(PathRole.RUNTIME);
+    }
+
+    /**
+     * Path to application mods directory.
+     */
+    public Path appModsDirectory() {
+        return pathGroup().getPath(PathRole.APP_MODS);
+    }
+
+    /**
+     * Path to directory with application's desktop integration files.
+     */
+    public Path destktopIntegrationDirectory() {
+        return pathGroup().getPath(PathRole.DESKTOP);
+    }
+
+    static ApplicationLayout linuxAppImage() {
+        return new ApplicationLayout(Map.of(
+                PathRole.LAUNCHERS, Path.of("bin"),
+                PathRole.APP, Path.of("lib/app"),
+                PathRole.RUNTIME, Path.of("lib/runtime"),
+                PathRole.DESKTOP, Path.of("lib"),
+                PathRole.DLLS, Path.of("lib"),
+                PathRole.APP_MODS, Path.of("lib/app/mods")
+        ));
+    }
+
+    static ApplicationLayout windowsAppImage() {
+        return new ApplicationLayout(Map.of(
+                PathRole.LAUNCHERS, Path.of(""),
+                PathRole.APP, Path.of("app"),
+                PathRole.RUNTIME, Path.of("runtime"),
+                PathRole.DESKTOP, Path.of(""),
+                PathRole.DLLS, Path.of(""),
+                PathRole.APP_MODS, Path.of("app/mods")
+        ));
+    }
+
+    static ApplicationLayout macAppImage() {
+        return new ApplicationLayout(Map.of(
+                PathRole.LAUNCHERS, Path.of("Contents/MacOS"),
+                PathRole.APP, Path.of("Contents/app"),
+                PathRole.RUNTIME, Path.of("Contents/runtime"),
+                PathRole.DESKTOP, Path.of("Contents/Resources"),
+                PathRole.DLLS, Path.of("Contents/MacOS"),
+                PathRole.APP_MODS, Path.of("Contents/app/mods")
+        ));
+    }
+
+    public static ApplicationLayout platformAppImage() {
+        if (Platform.isWindows()) {
+            return windowsAppImage();
+        }
+
+        if (Platform.isLinux()) {
+            return linuxAppImage();
+        }
+
+        if (Platform.isMac()) {
+            return macAppImage();
+        }
+
+        throw Platform.throwUnknownPlatformError();
+    }
+
+    public static ApplicationLayout javaRuntime() {
+        return new ApplicationLayout(Map.of(PathRole.RUNTIME, Path.of("")));
+    }
+
+    private final PathGroup data;
+}