57 lines
2.1 KiB
Java
57 lines
2.1 KiB
Java
/*
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* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.io.InputStream;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.nio.file.StandardCopyOption;
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/**
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* Dump a class file for a class on the class path in the current directory
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*/
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public class ClassFileInstaller {
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/**
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* @param args The names of the classes to dump
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* @throws Exception
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*/
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public static void main(String... args) throws Exception {
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for (String arg : args) {
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ClassLoader cl = ClassFileInstaller.class.getClassLoader();
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// Convert dotted class name to a path to a class file
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String pathName = arg.replace('.', '/').concat(".class");
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InputStream is = cl.getResourceAsStream(pathName);
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// Create the class file's package directory
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Path p = Paths.get(pathName);
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Path parent = p.getParent();
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if (parent != null) {
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Files.createDirectories(parent);
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}
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// Create the class file
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Files.copy(is, p, StandardCopyOption.REPLACE_EXISTING);
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}
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}
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}
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