# FwdLauncher.java

    /*
    ** Module   : FwdLauncher.java
    ** Abstract : entry point when using appcds
    **
    ** Copyright (c) 2024, Golden Code Development Corporation.
    **
    ** -#- -I- --Date-- ----------------------------------Description-----------------------------------
    ** 001 AD  20240227 Created new app entry point when using AppCDS to
    *                   properly load ServerDriver with MultiClassLoader.
    ** 002 ICP 20240702 Updated the main method to set the CentralLogger
    *                   mode to ensure proper log handling.
    */

    /*
    ** This program is free software: you can redistribute it and/or modify
    ** it under the terms of the GNU Affero General Public License as
    ** published by the Free Software Foundation, either version 3 of the
    ** License, or (at your option) any later version.
    **
    ** This program 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 Affero General Public License for more details.
    **
    ** You may find a copy of the GNU Affero GPL version 3 at the following
    ** location: https://www.gnu.org/licenses/agpl-3.0.en.html
    **
    ** Additional terms under GNU Affero GPL version 3 section 7:
    **
    **   Under Section 7 of the GNU Affero GPL version 3, the following additional
    **   terms apply to the works covered under the License.  These additional terms
    **   are non-permissive additional terms allowed under Section 7 of the GNU
    **   Affero GPL version 3 and may not be removed by you.
    **
    **   0. Attribution Requirement.
    **
    **     You must preserve all legal notices or author attributions in the covered
    **     work or Appropriate Legal Notices displayed by works containing the covered
    **     work.  You may not remove from the covered work any author or developer
    **     credit already included within the covered work.
    **
    **   1. No License To Use Trademarks.
    **
    **     This license does not grant any license or rights to use the trademarks
    **     Golden Code, FWD, any Golden Code or FWD logo, or any other trademarks
    **     of Golden Code Development Corporation. You are not authorized to use the
    **     name Golden Code, FWD, or the names of any author or contributor, for
    **     publicity purposes without written authorization.
    **
    **   2. No Misrepresentation of Affiliation.
    **
    **     You may not represent yourself as Golden Code Development Corporation or FWD.
    **
    **     You may not represent yourself for publicity purposes as associated with
    **     Golden Code Development Corporation, FWD, or any author or contributor to
    **     the covered work, without written authorization.
    **
    **   3. No Misrepresentation of Source or Origin.
    **
    **     You may not represent the covered work as solely your work.  All modified
    **     versions of the covered work must be marked in a reasonable way to make it
    **     clear that the modified work is not originating from Golden Code Development
    **     Corporation or FWD.  All modified versions must contain the notices of
    **     attribution required in this license.
    */

    package com.goldencode.p2j.main;

    import java.lang.reflect.*;

    import com.goldencode.p2j.classloader.MultiClassLoader;
    import com.goldencode.p2j.util.logging.CentralLogger;

    /**
     * Entry point used when starting the server with AppCDS.
     * Since AppCDS does not allow setting the class loader as a command line argument,
     * to load the classic entry point of the server, {@link ServerDriver},
     * the {@link MultiClassLoader} class loader is set as context class loader
     * and used to load the original entry point. This way we ensure the original entry point and all
     * classes loaded because of it are also loaded using the {@link MultiClassLoader}.
     */
    public class FwdLauncher
    {
       private static CentralLogger LOG;

       /**
        * The command line entry point.
        *
        * @param  args
        *         The array of command-line parameters.
        */
       public static void main(String[] args)
       {
          CentralLogger.setMode(CentralLogger.Mode.SERVER_BASE);
          ClassLoader systemClassLoader = FwdLauncher.class.getClassLoader();
          MultiClassLoader multiClassLoader = new MultiClassLoader(systemClassLoader);
          Thread.currentThread().setContextClassLoader(multiClassLoader);

          LOG = CentralLogger.get(FwdLauncher.class);

          try
          {
             Class<?> serverDriverClazz = multiClassLoader.loadClass("com.goldencode.p2j.main.ServerDriver");
             Method mainMethod = serverDriverClazz.getDeclaredMethod("main", String[].class);
             mainMethod.setAccessible(true);
             mainMethod.invoke(null, new Object[]{args});
          }
          catch (ClassNotFoundException e)
          {
             LOG.severe("Class {@link ServerDriver} can't be found.");
          }
          catch (NoSuchMethodException e)
          {
             LOG.severe("Method {@link ServerDriver.main()} can't be found.");
          }
          catch (InvocationTargetException e)
          {
             LOG.severe(e.getMessage());
          }
          catch (IllegalAccessException e)
          {
             LOG.severe("Thrown when invoking ServerDriver::main() from FwdLauncher::main().\n"
                      + "Should not be thrown, as it is set accessible before invoking.");
          }
      }
    }