1/* 2 * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24import java.io.FileInputStream; 25import java.io.InputStream; 26import java.io.IOException; 27import java.io.File; 28 29class SimpleClassLoader extends ClassLoader { 30 public static int numFinalizers; 31 32 SimpleClassLoader() { 33 super(null); 34 } 35 36 protected Class findClass(String name) throws ClassNotFoundException { 37 File f = new File(System.getProperty("test.classes"), name + ".class"); 38 InputStream fi = null; 39 try { 40 fi = new FileInputStream(f); 41 int length = fi.available(); 42 byte[] bytes = new byte[length]; 43 fi.read(bytes, 0, length); 44 return defineClass(name, bytes, 0, length); 45 } 46 catch (IOException exception) { 47 // we could not find the class, so indicate the problem 48 throw new ClassNotFoundException(name, exception); 49 } 50 finally { 51 if (null != fi) { 52 try { 53 fi.close(); 54 } catch (IOException exception) { 55 } 56 } 57 } 58 } 59 60 protected void finalize() throws Throwable { 61 super.finalize(); 62 numFinalizers++; 63 } 64} 65