+++ /dev/null
-/*
- * Copyright (c) 2010, 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 org.dcevm.test.util;
-
-import org.dcevm.HotSwapTool;
-
-/**
- * Shortcut methods for testing. Methods are named this way to make them more visible in the test code.
- * @author Ivan Dubrov
- */
-public class HotSwapTestHelper {
- /**
- * Returns the current version of the inner classes of an outer class.
- * <p/>
- * Caller class is used as an outer class.
- *
- * @return the version of the inner classes of the outer class
- */
- public static int __version__() {
- return HotSwapTool.getCurrentVersion(determineOuter(0));
- }
-
- /**
- * Redefines all inner classes of a outer class to a specified version. Inner classes who do not have a particular
- * representation for a version remain unchanged.
- * <p/>
- * Caller class is used as an outer class.
- *
- * @param versionNumber the target version number
- */
- public static void __toVersion__(int versionNumber) {
- HotSwapTool.toVersion(determineOuter(0), versionNumber);
- }
-
- /**
- * Helper method to determine caller outer class.
- * <p/>
- * Takes caller class and finds its top enclosing class (which is supposed to be test class).
- *
- * @param level on which level this call is being made. 0 - call is made immediately in the method of HotSwapTool.
- * @return outer class reference
- */
- private static Class<?> determineOuter(int level) {
- StackTraceElement[] stack = Thread.currentThread().getStackTrace();
- ClassLoader cl = Thread.currentThread().getContextClassLoader();
- // one for Thread#getStackTrace
- // one for #determineOuter
- // one for the caller
- String callerName = stack[level + 3].getClassName();
- try {
- Class<?> clazz = cl.loadClass(callerName);
- while (clazz.getEnclosingClass() != null) {
- clazz = clazz.getEnclosingClass();
- }
- return clazz;
- } catch (ClassNotFoundException e) {
- throw new IllegalArgumentException("Cannot find caller class: " + callerName, e);
- }
- }
-}