--- /dev/null	2019-11-18 20:50:15.000000000 -0500
+++ new/src/jdk.incubator.jpackage/share/classes/jdk/incubator/jpackage/internal/AbstractImageBundler.java	2019-11-18 20:50:11.935044500 -0500
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2015, 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.text.MessageFormat;
+import java.util.Map;
+import java.util.ResourceBundle;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.io.File;
+import java.io.IOException;
+
+import static jdk.incubator.jpackage.internal.StandardBundlerParam.*;
+
+/**
+ * AbstractImageBundler
+ *
+ * This is the base class for each of the Application Image Bundlers.
+ *
+ * It contains methods and parameters common to all Image Bundlers.
+ *
+ * Application Image Bundlers are created in "create-app-image" mode,
+ * or as an intermediate step in "create-installer" mode.
+ *
+ * The concrete implementations are in the platform specific Bundlers.
+ */
+public abstract class AbstractImageBundler extends AbstractBundler {
+
+    private static final ResourceBundle I18N = ResourceBundle.getBundle(
+            "jdk.incubator.jpackage.internal.resources.MainResources");
+
+    public void imageBundleValidation(Map<String, ? super Object> params)
+             throws ConfigException {
+        StandardBundlerParam.validateMainClassInfoFromAppResources(params);
+
+    }
+
+    protected File createRoot(Map<String, ? super Object> params,
+            File outputDirectory, boolean dependentTask, String name)
+            throws PackagerException {
+
+        IOUtils.writableOutputDir(outputDirectory.toPath());
+
+        if (!dependentTask) {
+            Log.verbose(MessageFormat.format(
+                    I18N.getString("message.creating-app-bundle"),
+                    name, outputDirectory.getAbsolutePath()));
+        }
+
+        // NAME will default to CLASS, so the real problem is no MAIN_CLASS
+        if (name == null) {
+            throw new PackagerException("ERR_NoMainClass");
+        }
+
+        // Create directory structure
+        File rootDirectory = new File(outputDirectory, name);
+
+        if (rootDirectory.exists()) {
+            throw new PackagerException("error.root-exists",
+                    rootDirectory.getAbsolutePath());
+        }
+
+        rootDirectory.mkdirs();
+
+        return rootDirectory;
+    }
+
+}