/**
* $RCSfile$
* $Revision$
* $Date$
*
* Copyright (C) 2002-2003 Jive Software. All rights reserved.
* ====================================================================
* The Jive Software License (based on Apache Software License, Version 1.1)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in
*    the documentation and/or other materials provided with the
*    distribution.
*
* 3. The end-user documentation included with the redistribution,
*    if any, must include the following acknowledgment:
*       "This product includes software developed by
*        Jive Software (http://www.jivesoftware.com)."
*    Alternately, this acknowledgment may appear in the software itself,
*    if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Smack" and "Jive Software" must not be used to
*    endorse or promote products derived from this software without
*    prior written permission. For written permission, please
*    contact webmaster@jivesoftware.com.
*
* 5. Products derived from this software may not be called "Smack",
*    nor may "Smack" appear in their name, without prior written
*    permission of Jive Software.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED.  IN NO EVENT SHALL JIVE SOFTWARE OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*/

package org.jivesoftware.smackx.provider;

import org.jivesoftware.smack.packet.*;
import org.jivesoftware.smack.provider.*;
import org.jivesoftware.smack.util.PacketParserUtils;
import org.jivesoftware.smackx.packet.MUCOwner;
import org.xmlpull.v1.XmlPullParser;

/**
 * The MUCOwnerProvider parses MUCOwner packets. (@see MUCOwner)
 * 
 * @author Gaston Dombiak
 */
public class MUCOwnerProvider implements IQProvider {

    public IQ parseIQ(XmlPullParser parser) throws Exception {
        MUCOwner mucOwner = new MUCOwner();
        boolean done = false;
        MUCOwner.Item item = null;
        while (!done) {
            int eventType = parser.next();
            if (eventType == XmlPullParser.START_TAG) {
                if (parser.getName().equals("item")) {
                    mucOwner.addItem(parseItem(parser));
                }
                else if (parser.getName().equals("destroy")) {
                    mucOwner.setDestroy(parseDestroy(parser));
                }
                // Otherwise, it must be a packet extension.
                else {
                    mucOwner.addExtension(PacketParserUtils.parsePacketExtension(parser.getName(),
                            parser.getNamespace(), parser));
                }
            }
            else if (eventType == XmlPullParser.END_TAG) {
                if (parser.getName().equals("query")) {
                    done = true;
                }
            }
        }

        return mucOwner;
    }

    private MUCOwner.Item parseItem(XmlPullParser parser) throws Exception {
        boolean done = false;
        MUCOwner.Item item = new MUCOwner.Item(parser.getAttributeValue("", "affiliation"));
        item.setNick(parser.getAttributeValue("", "nick"));
        item.setJid(parser.getAttributeValue("", "jid"));
        while (!done) {
            int eventType = parser.next();
            if (eventType == XmlPullParser.START_TAG) {
                if (parser.getName().equals("actor")) {
                    item.setActor(parser.getAttributeValue("", "jid"));
                }
                if (parser.getName().equals("reason")) {
                    item.setReason(parser.nextText());
                }
            }
            else if (eventType == XmlPullParser.END_TAG) {
                if (parser.getName().equals("item")) {
                    done = true;
                }
            }
        }
        return item;
    }

    private MUCOwner.Destroy parseDestroy(XmlPullParser parser) throws Exception {
        boolean done = false;
        MUCOwner.Destroy destroy = new MUCOwner.Destroy();
        destroy.setJid(parser.getAttributeValue("", "jid"));
        while (!done) {
            int eventType = parser.next();
            if (eventType == XmlPullParser.START_TAG) {
                if (parser.getName().equals("reason")) {
                    destroy.setReason(parser.nextText());
                }
            }
            else if (eventType == XmlPullParser.END_TAG) {
                if (parser.getName().equals("destroy")) {
                    done = true;
                }
            }
        }
        return destroy;
    }
}