| /* |
| * Copyright (c) 2002, 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.jdi.VirtualMachine.redefineClasses; |
| |
| import nsk.share.*; |
| import nsk.share.jpda.*; |
| import nsk.share.jdi.*; |
| |
| import java.io.*; |
| import java.net.*; |
| |
| // THIS TEST IS LINE NUMBER SENSITIVE |
| |
| /** |
| * <code>redefineclasses034a</code> is deugee's part of the redefineclasses034. |
| */ |
| public class redefineclasses034a { |
| public final static String brkpMethodName = "loadClass"; |
| public final static int brkpLineNumber = 72; |
| |
| static Object obj; |
| static Class cls; |
| static ClassLoader clsLoader[]; |
| static Log log; |
| |
| public static void main (String argv[]) { |
| ArgumentHandler argHandler = new ArgumentHandler(argv); |
| log = new Log(System.err, argHandler); |
| |
| String oldClassDir = argv[0] + File.separator + "loadclass"; |
| |
| URL urls[] = new URL[1]; |
| clsLoader = new ClassLoader[redefineclasses034.TESTCASE_NUMBER]; |
| try { |
| urls[0] = new File(oldClassDir).toURL(); |
| } catch (MalformedURLException e) { |
| log.display("->" + e); |
| } |
| clsLoader[0] = new redefineclasses034aClassLoaderB(urls); |
| clsLoader[1] = new redefineclasses034aClassLoaderC(oldClassDir); |
| |
| for (int i = 0; i < 2; i++) { |
| loadClass(clsLoader[i],redefineclasses034.testedClassName[i]); |
| } |
| log.display("completed succesfully."); |
| System.exit(Consts.TEST_PASSED + Consts.JCK_STATUS_BASE); |
| } |
| |
| private static void loadClass(ClassLoader clsLoader, String className) { |
| try { |
| cls = clsLoader.loadClass(className); // brkpLineNumber |
| obj = cls.newInstance(); |
| log.display(className); |
| log.display("===================================="); |
| log.display("class loader's info on debugee side:"); |
| log.display("===================================="); |
| log.display("custom class loader\t:" + cls.getClassLoader()); |
| log.display("default class loader\t:" |
| + Class.forName(redefineclasses034.debugeeName).getClassLoader()); |
| |
| log.display("------------------------------------"); |
| } catch (Exception e) { |
| log.display("" + e); |
| e.printStackTrace(); |
| } |
| } |
| } |
| |
| class redefineclasses034aClassLoaderB extends URLClassLoader{ |
| |
| redefineclasses034aClassLoaderB(URL [] urllst) { |
| super(urllst); |
| } |
| } |
| |
| class redefineclasses034aClassLoaderC extends ClassLoader{ |
| |
| private String classPath; |
| |
| redefineclasses034aClassLoaderC(String classPath) { |
| super(redefineclasses034aClassLoaderC.class.getClassLoader()); |
| this.classPath = classPath; |
| } |
| |
| protected Class findClass(String name) throws ClassNotFoundException { |
| String classFileName = classPath + File.separator |
| + name.replace('.', File.separatorChar) |
| + ".class"; |
| FileInputStream in; |
| try { |
| in = new FileInputStream(classFileName); |
| if (in == null) { |
| throw new ClassNotFoundException(classFileName); |
| } |
| } catch (FileNotFoundException e) { |
| throw new ClassNotFoundException(classFileName, e); |
| } |
| |
| try { |
| int len = in.available(); |
| byte[] data = new byte[len]; |
| for (int total = 0; total < data.length; ) { |
| total += in.read(data, total, data.length - total); |
| } |
| return defineClass(name, data, 0, data.length); |
| } catch (IOException e) { |
| throw new ClassNotFoundException(classFileName, e); |
| } finally { |
| try { |
| in.close(); |
| } catch (Throwable e) { |
| } |
| } |
| } |
| } |