--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/share/FileUtils.java	Mon Apr 30 18:10:24 2018 -0700
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2007, 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.
+ *
+ * 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 nsk.share;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.FileInputStream;
+
+public class FileUtils {
+        private FileUtils() {
+        }
+
+        /**
+         * Read whole file.
+         *
+         * @param file file
+         * @return contents of file as byte array
+         */
+        public static byte[] readFile(File file) throws IOException {
+                InputStream in = new FileInputStream(file);
+                long countl = file.length();
+                if (countl > Integer.MAX_VALUE)
+                        throw new IOException("File is too huge");
+                int count = (int) countl;
+                byte[] buffer = new byte[count];
+                int n = 0;
+                try {
+                        while (n < count) {
+                                int k = in.read(buffer, n, count - n);
+                                if (k < 0)
+                                        throw new IOException("Unexpected EOF");
+                                n += k;
+                        }
+                } finally {
+                        in.close();
+                }
+                return buffer;
+        }
+
+        /**
+         * Read whole file.
+         *
+         * @param name file name
+         * @return contents of file as byte array
+         */
+        public static byte[] readFile(String name) throws IOException {
+                return readFile(new File(name));
+        }
+}