Package games.stendhal.server.actions.admin

Source Code of games.stendhal.server.actions.admin.AdminLevelAction

/* $Id: AdminLevelAction.java,v 1.14 2010/10/28 19:46:09 kiheru Exp $ */
/***************************************************************************
*                   (C) Copyright 2003-2010 - Stendhal                    *
***************************************************************************
***************************************************************************
*                                                                         *
*   This program is free software; you can redistribute it and/or modify  *
*   it under the terms of the GNU General Public License as published by  *
*   the Free Software Foundation; either version 2 of the License, or     *
*   (at your option) any later version.                                   *
*                                                                         *
***************************************************************************/
package games.stendhal.server.actions.admin;

import static games.stendhal.common.constants.Actions.ADMINLEVEL;
import static games.stendhal.common.constants.Actions.NEWLEVEL;
import static games.stendhal.common.constants.Actions.TARGET;
import games.stendhal.common.constants.Actions;
import games.stendhal.server.actions.CommandCenter;
import games.stendhal.server.core.engine.GameEvent;
import games.stendhal.server.core.engine.SingletonRepository;
import games.stendhal.server.entity.player.Player;
import marauroa.common.game.RPAction;

class AdminLevelAction extends AdministrationAction {

  public static void register() {
    CommandCenter.register(ADMINLEVEL, new AdminLevelAction(), 0);

  }

  @Override
  public void perform(final Player player, final RPAction action) {

    if (action.has(TARGET)) {

      final String name = action.get(TARGET);
      final Player target = SingletonRepository.getRuleProcessor().getPlayer(name);

      if ((target == null) || (target.isGhost() && !isAllowedtoSeeGhosts(player))) {
        player.sendPrivateText("Player \"" + name + "\" not found");
        return;
      }

      final int oldlevel = target.getAdminLevel();
      String response = target.getTitle() + " has adminlevel " + oldlevel;

      if (action.has(NEWLEVEL)) {
        // verify newlevel is a number
        int newlevel;
        try {
          newlevel = Integer.parseInt(action.get(NEWLEVEL));
        } catch (final NumberFormatException e) {
          player.sendPrivateText("The new adminlevel needs to be an Integer");

          return;
        }

        // If level is beyond max level, just set it to max.
        if (newlevel > REQUIRED_ADMIN_LEVEL_FOR_SUPER) {
          newlevel = REQUIRED_ADMIN_LEVEL_FOR_SUPER;
        }

        final int mylevel = player.getAdminLevel();
        if (mylevel < REQUIRED_ADMIN_LEVEL_FOR_SUPER) {
          response = "Sorry, but you need an adminlevel of "
              + REQUIRED_ADMIN_LEVEL_FOR_SUPER
              + " to change adminlevel.";
        } else {

          new GameEvent(player.getName(), ADMINLEVEL, target.getName(), ADMINLEVEL, action.get(NEWLEVEL)).raise();
          target.setAdminLevel(newlevel);
          dropPrivileges(target);
          target.update();
          target.notifyWorldAboutChanges();

          response = "Changed adminlevel of " + target.getTitle()
              + " from " + oldlevel + " to " + newlevel + ".";
          target.sendPrivateText(player.getTitle()
              + " changed your adminlevel from " + +oldlevel
              + " to " + newlevel + ".");
        }
      }

      player.sendPrivateText(response);
    }
  }
 
  /**
   * Drop persistent administrator attributes if the player is no longer
   * allowed to have them.
   * 
   * @param player the player whose privileges should be re-examined
   */
  private void dropPrivileges(Player player) {
    if (!AdministrationAction.isPlayerAllowedToExecuteAdminCommand(player, Actions.TELECLICKMODE, false)) {
      player.setTeleclickEnabled(false);
    }
    if (!AdministrationAction.isPlayerAllowedToExecuteAdminCommand(player, Actions.GHOSTMODE, false)) {
      player.setGhost(false);
    }
    if (!AdministrationAction.isPlayerAllowedToExecuteAdminCommand(player, Actions.INVISIBLE, false)) {
      player.setInvisible(false);
    }
  }

  private boolean isAllowedtoSeeGhosts(final Player player) {
    return AdministrationAction.isPlayerAllowedToExecuteAdminCommand(player, Actions.GHOSTMODE, false);
  }

}
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