--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.internal.opt/share/classes/jdk/internal/joptsimple/util/PathConverter.java	Wed Jun 06 15:36:29 2018 +0200
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2018, 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.internal.joptsimple.util;
+
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.text.MessageFormat;
+import java.util.ResourceBundle;
+
+import jdk.internal.joptsimple.ValueConversionException;
+import jdk.internal.joptsimple.ValueConverter;
+
+/**
+ * Converts command line options to {@link Path} objects and checks the status of the underlying file.
+ */
+public class PathConverter implements ValueConverter<Path> {
+    private final PathProperties[] pathProperties;
+
+    public PathConverter( PathProperties... pathProperties ) {
+        this.pathProperties = pathProperties;
+    }
+
+    @Override
+    public Path convert( String value ) {
+        Path path = Paths.get(value);
+
+        if ( pathProperties != null ) {
+            for ( PathProperties each : pathProperties ) {
+                if ( !each.accept( path ) )
+                    throw new ValueConversionException( message( each.getMessageKey(), path.toString() ) );
+            }
+        }
+
+        return path;
+    }
+
+    @Override
+    public Class<Path> valueType() {
+        return Path.class;
+    }
+
+    @Override
+    public String valuePattern() {
+        return null;
+    }
+
+    private String message( String errorKey, String value ) {
+        ResourceBundle bundle = ResourceBundle.getBundle( "jdk.internal.joptsimple.ExceptionMessages" );
+        Object[] arguments = new Object[] { value, valuePattern() };
+        String template = bundle.getString( PathConverter.class.getName() + "." + errorKey + ".message" );
+        return new MessageFormat( template ).format( arguments );
+    }
+}