/*

 * Copyright (c) 2013, 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.

 */

import java.io.InputStream;

import java.nio.file.Files;

import java.nio.file.Path;

import java.nio.file.Paths;

import java.nio.file.StandardCopyOption;

/**

 * Dump a class file for a class on the class path in the current directory

 */

public class ClassFileInstaller {

    /**

     * @param args The names of the classes to dump

     * @throws Exception

     */

    public static void main(String... args) throws Exception {

        for (String arg : args) {

            ClassLoader cl = ClassFileInstaller.class.getClassLoader();

            // Convert dotted class name to a path to a class file

            String pathName = arg.replace('.', '/').concat(".class");

            InputStream is = cl.getResourceAsStream(pathName);

            // Create the class file's package directory

            Path p = Paths.get(pathName);

            Path parent = p.getParent();

            if (parent != null) {

                Files.createDirectories(parent);

            }

            // Create the class file

            Files.copy(is, p, StandardCopyOption.REPLACE_EXISTING);

        }

    }

}