/*

 * Copyright (c) 2019, 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.

 *

 */

package cdsutils;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileReader;

/**

 * This class is used to simulate -Xshare:dump with -XX:ArchiveClassesAtExit.

 * It loads all classes specified in a classlist file. See patchJarForDynamicDump()

 * in ../TestCommon.java for details.

 */

public class DynamicDumpHelper {

    public static void main(String args[]) throws Throwable {

        File file = new File(args[0]);

        System.out.println("Loading classes to share...");

        try (BufferedReader br = new BufferedReader(new FileReader(file))) {

            String line;

            while ((line = br.readLine()) != null) {

                //System.out.println("Loading class: " + line);

                line = line.replace('/', '.');

                try {

                    Class.forName(line);

                } catch (java.lang.ClassNotFoundException ex) {

                    try {

                        Class.forName(line, true, null);

                    } catch (java.lang.ClassNotFoundException cnfe) {

                        System.out.println("Preload Warning: Cannot find " + line.replace('.', '/'));

                    }

                } catch (Throwable t) {

                    System.out.println("Error: failed to load \"" + line + "\": " + t);

                }

            }

        }

        System.out.println("Loading classes to share: done.");

    }

}