--- /dev/null	2016-08-11 12:49:18.000000000 -0400
+++ new/test/lib/jdk/test/lib/BuildHelper.java	2016-08-11 12:49:17.754205400 -0400
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2014, 2015, 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 jdk.test.lib;
+
+import java.io.File;
+import java.io.FileReader;
+import java.util.Properties;
+
+public class BuildHelper {
+
+    /**
+     * Commercial builds should have the BUILD_TYPE set to commercial
+     * within the release file, found at the root of the JDK.
+     */
+    public static boolean isCommercialBuild() throws Exception {
+        String buildType = getReleaseProperty("BUILD_TYPE","notFound");
+        return buildType.equals("commercial");
+    }
+
+
+    /**
+     * Return the value for property key, or defaultValue if no property not found.
+     * If present, double quotes are trimmed.
+     */
+    public static String getReleaseProperty(String key, String defaultValue) throws Exception {
+        Properties properties = getReleaseProperties();
+        String value = properties.getProperty(key, defaultValue);
+        return trimDoubleQuotes(value);
+    }
+
+    /**
+     * Return the value for property key, or null if no property not found.
+     * If present, double quotes are trimmed.
+     */
+    public static String getReleaseProperty(String key) throws Exception {
+        return getReleaseProperty(key, null);
+    }
+
+    /**
+     * Get properties from the release file
+     */
+    public static Properties getReleaseProperties() throws Exception {
+        Properties properties = new Properties();
+        properties.load(new FileReader(getReleaseFile()));
+        return properties;
+    }
+
+    /**
+     * Every JDK has a release file in its root.
+     * @return A handler to the release file.
+     */
+    public static File getReleaseFile() throws Exception {
+        String jdkPath = getJDKRoot();
+        File releaseFile = new File(jdkPath,"release");
+        if ( ! releaseFile.canRead() ) {
+            throw new Exception("Release file is not readable, or it is absent: " +
+                    releaseFile.getCanonicalPath());
+        }
+        return releaseFile;
+    }
+
+    /**
+     * Returns path to the JDK under test.
+     * This path is obtained through the test.jdk property, usually set by JTREG.
+     */
+    public static String getJDKRoot() {
+        String jdkPath = System.getProperty("test.jdk");
+        if (jdkPath == null) {
+            throw new RuntimeException("System property 'test.jdk' not set. This property is normally set by jtreg. "
+                    + "When running test separately, set this property using '-Dtest.jdk=/path/to/jdk'.");
+        }
+        return jdkPath;
+    }
+
+    /**
+     * Trim double quotes from the beginning and the end of the given string.
+     * @param original string to trim.
+     * @return a new trimmed string.
+     */
+    public static String trimDoubleQuotes(String original) {
+        if (original == null) { return null; }
+        String trimmed = original.replaceAll("^\"+|\"+$", "");
+        return trimmed;
+    }
+}