cmdlistusers.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.Iterator;

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

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

	private CmdListUsers () { }
	private CmdListUsers (CommandSet cs) {
		this.cs=cs;
	}
	
	public static ICommand getInstance (CommandSet cs) {
		if (selve == null) {
			selve = new CmdListUsers (cs);
		}
		return selve;
	}
	
	public boolean execute (MessageState msgState, String param) {
		if (param == null || param.length () < 1) {
			msgState.useRenderCache = false;
			for (Iterator i = GroupManager.mgr.groups (); i.hasNext (); ) {
				Group g = (Group) i.next ();
				msgState.room=g;
				cs.generateUserList (msgState, true);
		   }
		} else {
		   Group g = GroupManager.mgr.getGroup (param);
		   if (g == null) {
			  msgState.msgTemplate = "error.group.notExisting";
			  msgState.target = param;
			  msgState.sender.sendMessage (msgState.mp);
		   } else {
		   	  msgState.room = g;
			  cs.generateUserList (msgState, false);
		   }
		}
		return true;
	}
}