--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/testlibrary/ClassFileInstaller.java	Tue Feb 19 18:45:49 2013 +0100
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2013, 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.
+ */
+
+import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardCopyOption;
+
+/**
+ * Dump a class file for a class on the class path in the current directory
+ */
+public class ClassFileInstaller {
+    /**
+     * @param args The names of the classes to dump
+     * @throws Exception
+     */
+    public static void main(String... args) throws Exception {
+        for (String arg : args) {
+            ClassLoader cl = ClassFileInstaller.class.getClassLoader();
+
+            // Convert dotted class name to a path to a class file
+            String pathName = arg.replace('.', '/').concat(".class");
+            InputStream is = cl.getResourceAsStream(pathName);
+
+            // Create the class file's package directory
+            Path p = Paths.get(pathName);
+            Files.createDirectories(p.getParent());
+            // Create the class file
+            Files.copy(is, p, StandardCopyOption.REPLACE_EXISTING);
+        }
+    }
+}