3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering/*
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering *
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering * This code is free software; you can redistribute it and/or modify it
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering * under the terms of the GNU General Public License version 2 only, as
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering * published by the Free Software Foundation.
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering *
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering * This code is distributed in the hope that it will be useful, but WITHOUT
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering * version 2 for more details (a copy is included in the LICENSE file that
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering * accompanied this code).
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering *
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering * You should have received a copy of the GNU General Public License version
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering * 2 along with this work; if not, write to the Free Software Foundation,
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering *
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering * or visit www.oracle.com if you need additional information or have any
8b43440b7ef4b81c69c31de7ff820dc07a780254Lennart Poettering * questions.
8b43440b7ef4b81c69c31de7ff820dc07a780254Lennart Poettering */
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poetteringpackage evalexpr;
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poetteringimport java.util.Map;
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering/**
587fec427c80b6c34dcf1d7570f891fcb652a7c5Lennart Poettering * A class loader which loads classes from byte arrays.
587fec427c80b6c34dcf1d7570f891fcb652a7c5Lennart Poettering *
587fec427c80b6c34dcf1d7570f891fcb652a7c5Lennart Poettering * <p><b>This is NOT part of any supported API.
587fec427c80b6c34dcf1d7570f891fcb652a7c5Lennart Poettering * If you write code that depends on this, you do so at your own
587fec427c80b6c34dcf1d7570f891fcb652a7c5Lennart Poettering * risk. This code and its internal interfaces are subject to change
587fec427c80b6c34dcf1d7570f891fcb652a7c5Lennart Poettering * or deletion without notice.</b></p>
587fec427c80b6c34dcf1d7570f891fcb652a7c5Lennart Poettering * @author Peter von der Ah&eacute;
587fec427c80b6c34dcf1d7570f891fcb652a7c5Lennart Poettering */
587fec427c80b6c34dcf1d7570f891fcb652a7c5Lennart Poetteringpublic class ByteArrayClassLoader extends ClassLoader {
587fec427c80b6c34dcf1d7570f891fcb652a7c5Lennart Poettering /**
587fec427c80b6c34dcf1d7570f891fcb652a7c5Lennart Poettering * Maps binary class names to class files stored as byte arrays.
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering */
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering private Map<String, byte[]> classes;
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering /**
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering * Creates a new instance of ByteArrayClassLoader
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering * @param classes a map from binary class names to class files stored as byte arrays
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering */
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering public ByteArrayClassLoader(Map<String, byte[]> classes) {
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering this.classes = classes;
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering }
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering @Override
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering public Class<?> loadClass(String name) throws ClassNotFoundException {
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering try {
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering return super.loadClass(name);
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering } catch (ClassNotFoundException e) {
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering byte[] classData = classes.get(name);
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering return defineClass(name, classData, 0, classData.length);
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering }
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering }
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering}
3e2cda698f05d7290a8b9444d2c7d5c2599b2a27Lennart Poettering