test/hotspot/jtreg/runtime/appcds/jvmti/InstrumentationClassFileTransformer.java
branchJDK-8200758-branch
changeset 57588 dac8f245de8e
parent 57587 16c4975e9e09
parent 57586 f459f98aa30d
child 57591 6805e0ef7453
--- a/test/hotspot/jtreg/runtime/appcds/jvmti/InstrumentationClassFileTransformer.java	Mon Jul 29 18:31:18 2019 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,57 +0,0 @@
-/*
- * Copyright (c) 2014, 2017, 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.lang.instrument.ClassFileTransformer;
-import java.lang.instrument.IllegalClassFormatException;
-import java.security.ProtectionDomain;
-
-// Note: Util is from /test/hotspot/jtreg/runtime/appcds/test-classes/TestCommon.java
-
-public class InstrumentationClassFileTransformer implements ClassFileTransformer {
-    public byte[] transform(ClassLoader loader, String name, Class<?> classBeingRedefined,
-                            ProtectionDomain pd, byte[] buffer) throws IllegalClassFormatException {
-
-        if (name.startsWith("InstrumentationApp$") && !name.equals("InstrumentationApp$NotTransformed")) {
-            System.out.println("Transforming: " + name + " class = " + classBeingRedefined);
-            try {
-                if (classBeingRedefined == null) {
-                    // Initial transform
-                    replace(buffer, "buzz", "fuzz");
-                } else {
-                    replace(buffer, "buzz", "guzz"); // Retransform
-                    replace(buffer, "huzz", "quzz"); // Redefine
-                }
-            } catch (Throwable t) {
-                t.printStackTrace();
-            }
-            return buffer;
-        }
-        return null;
-    }
-
-    static void replace(byte[] buffer, String from, String to) {
-        int n = Util.replace(buffer, from, to);
-        System.out.println("..... replaced " + n + " occurrence(s) of '" + from + "' to '" + to + "'");
-    }
-}