cmdlistban.java

JAVA平台下优秀的CHART开源代码,可以实现类似EXCEL中的二维或三维的饼图/椎图功能.

/**
 * Copyright (C) 2003  Manfred Andres
 * 
 * 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.
 * 
 * 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 * 
 * Created on 28.09.2003
 */

package freecs.commands;
import java.util.Enumeration;
import java.util.Vector;

import freecs.interfaces.ICommand;
import freecs.content.MessageState;
import freecs.core.Group;
import freecs.core.GroupManager;
import freecs.interfaces.IUserRights;

/**
 * @author Manfred Andres
 *
 * freecs.commands
 */
public class CmdListBan implements ICommand {
	public String cmd= "/wban";
	private static CmdListBan selve=null;
	private CommandSet cs;

	private CmdListBan () { }
	private CmdListBan (CommandSet cs) {
		this.cs=cs;
	}
	
	public static ICommand getInstance (CommandSet cs) {
		if (selve == null) {
			selve = new CmdListBan (cs);
		}
		return selve;
	}
	
	public boolean execute (MessageState msgState, String param) {
		if (cs.isPunished (msgState)) return false;
		Group sg;
		if (param != null && param.length() > 1) {
			sg = GroupManager.mgr.getGroup(param);
			if (sg == null) {
				msgState.msgTemplate="error.group.notExisting";
				msgState.target = param;
				msgState.sender.sendMessage(msgState.mp);
				return false;
			}
		} else 
			sg = msgState.sender.getGroup();

		if (!msgState.sender.hasRight(IUserRights.MAY_BAN)
			&& !sg.usrIsSu(msgState.sender)) {
			msgState.msgTemplate = "error.wban.noRight";
			msgState.sender.sendMessage (msgState.mp);
			return false;
		}
		Vector bl = sg.bannedUsers();
		StringBuffer sb = new StringBuffer();
		for (Enumeration e = bl.elements(); e.hasMoreElements(); ) {
			String uname = (String) e.nextElement();
			sb.append (uname);
			if (e.hasMoreElements())
				sb.append (", ");
		}
		if (sb.length() < 1) {
			msgState.msgTemplate = "error.wban.nobodyBanned";
			msgState.target = sg.getName();
			msgState.sender.sendMessage (msgState.mp);
			return false;
		}
		msgState.target=sb.toString();
		msgState.message = msgState.target;
		msgState.msgTemplate="message.wban";
		msgState.sender.sendMessage (msgState.mp);
		return false;
	}
}