source: branches/2.2/jabberit_messenger/java_source/src/nu/fw/jeti/jabber/elements/IQDiscoItems.java @ 3102

/* 
 *      Jeti, a Java Jabber client, Copyright (C) 2003 E.S. de Boer  
 *
 *  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
 *
 *      For questions, comments etc, 
 *      use the website at http://jeti.jabberstudio.org
 *  or mail/IM me at jeti@jabber.org
 *
 *      Created on 26-apr-2003
 */

package nu.fw.jeti.jabber.elements;

import java.util.Iterator;
import java.util.List;

import nu.fw.jeti.jabber.Backend;
import nu.fw.jeti.jabber.JID;

/**
 * @author E.S. de Boer
 * implements the http://jabber.org/protocol/disco#items'/ spec
 */
public class IQDiscoItems extends Extension implements IQExtension, DiscoveryItem
{
        private String node;
        private List items;

        public IQDiscoItems()
        {}

        public IQDiscoItems(String node)
        {
                this.node = node;
        }
        
        public IQDiscoItems(String node,List items)
        {
                this.node = node;
                this.items = items;
        }

        public String getNode()
        {
                return node;
        }
                
        public Iterator getItems()
        {
                if (items == null)return null;
                return items.iterator();
        }
        
        public int getSize()
        {
                if (items == null)return 0;
                return items.size();
        }
        

        public boolean hasItems()
        {
                return items != null;
        }
        
        //---------------------------discoveryInfo implementation, returns null--------------
        public JID getJID()
        {
                return null;
        }

        public String getName()
        {
                return null;
        }
        
        //----------------------------------------------------------------------------
        
        
        
        public void execute(InfoQuery iq,Backend backend){}

        

        public void appendToXML(StringBuffer xml)
        {
                xml.append("<query xmlns= \"http://jabber.org/protocol/disco#items\"");
                appendAttribute(xml, "node", node);
                if (items == null)
                { //short cut
                        xml.append("/>");
                        return;
                }
                xml.append('>');
                if (items != null)
                {
                        for (Iterator i = items.iterator(); i.hasNext();)
                        {
                                ((DiscoItem) i.next()).appendToXML(xml);
                        }
                }
                xml.append("</query>");
        }
}

/*
 * Overrides for emacs
 * Local variables:
 * tab-width: 4
 * End:
 */