/* * Copyright (c) 2020, 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.
*/
/** * Helper class for working with class files and byte arrays
*/ publicfinalclass Bytes { publicfinalstaticbyte[] WORLD = Bytes.asBytes("world"); publicfinalstaticbyte[] EARTH = Bytes.asBytes("earth");
publicstaticbyte[] asBytes(String string) { byte[] result = newbyte[string.length()]; for (int i = 0; i < string.length(); i++) {
result[i] = (byte)string.charAt(i);
} return result;
}
publicstaticbyte[] classBytes(ClassLoader classLoader, String className) throws IOException {
String classFileName = className.replace(".", "/") + ".class"; try (InputStream is = classLoader.getResourceAsStream(classFileName)) { if (is == null) { thrownew IOException("Could not find class file " + classFileName);
} return is.readAllBytes();
}
}
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