cmdinvite.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 freecs.Server;
import freecs.interfaces.ICommand;
import freecs.interfaces.IGroupState;
import freecs.interfaces.IUserRights;
import freecs.core.Group;
import freecs.core.User;
import freecs.content.MessageState;


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

	private CmdInvite () { }
	private CmdInvite (CommandSet cs) {
		this.cs=cs;
	}
	
	public static ICommand getInstance (CommandSet cs) {
		if (selve == null) {
			selve = new CmdInvite (cs);
		}
		return selve;
	}
	
	public boolean execute (MessageState msgState, String param) {
		if (cs.isPunished (msgState)) return false;
		Group sg = msgState.sender.getGroup ();
		// inviting into a starting-group is prohibited
		if (Server.srv.isStartingGroup (sg)) {
			msgState.msgTemplate = "error.i.inviteToStart";
			msgState.target = sg.getName ();
			msgState.sender.sendMessage (msgState.mp);
			return false;
		}
		if ((sg.hasState(IGroupState.MODERATED) && !msgState.sender.hasRight (IUserRights.MAY_OPEN_SU_GROUP)) ||
			(!msgState.sender.hasRight (IUserRights.MAY_JOIN_LOCKED_GROUP) && !msgState.sender.getGroup ().usrIsSu (msgState.sender))) {
			msgState.msgTemplate = "error.i.noRight";
			msgState.sender.sendMessage (msgState.mp);
			return false;
		}
		if (param.length () < 1) {
			msgState.msgTemplate = "error.i.noArg";
			return false;
		}
		if (param.indexOf (" ") > -1) {
			String usrArr[] = param.split (" ");
			if (usrArr.length > 1
				&& !msgState.sender.hasRight(IUserRights.ROLE_VIP)) {
				msgState.msgTemplate="error.i.mass.noRight";
				msgState.sender.sendMessage(msgState.mp);
				return false;
			}
			StringBuffer sb = new StringBuffer ();
			msgState.useRenderCache = false;
			for ( int i = 0; i < usrArr.length; i++) {
				User cu = cs.getUser (msgState, usrArr[i]);
				if (cu==null || msgState.sender.equals(cu.invitedBy())) continue;
				if (sg.equals (cu.getGroup())) {
					msgState.msgTemplate = "error.i.alreadyHere";
					msgState.target = cu.getName ();
					msgState.sender.sendMessage (msgState.mp);
					continue;
				}
				User reciever = cs.setInvited (msgState, cu, sg);
				reciever.sendMessage(msgState.mp);
				if (msgState.sender==reciever)
					continue;
				sb.append (usrArr[i]);
				sb.append (", ");
			}
			if (sb.length()<2) return false;
			msgState.msgTemplate = "message.i.plural";
			msgState.target = sb.toString ().substring (0,sb.length ()-2);
			msgState.sender.getGroup ().sendMessage (msgState.mp);
		} else {
			User cu = cs.getUser (msgState, param);
			if (cu == null || msgState.sender.equals(cu.invitedBy())) return false;
			if (sg.equals (cu.getGroup ())) {
				msgState.msgTemplate = "error.i.alreadyHere";
				msgState.target = cu.getName ();
				msgState.sender.sendMessage (msgState.mp);
				return false;
			}
			User reciever = cs.setInvited (msgState, cu, sg);
			reciever.sendMessage(msgState.mp);
			if (msgState.sender==reciever)
				return false;
			msgState.msgTemplate = "message.i.singular";
			msgState.target = cu.getName ();
			msgState.sender.sendMessage (msgState.mp);
		}
		return true;
	}
}