/**
 * $RCSfile$
 * $Revision$
 * $Date$
 *
 * Copyright 2003-2007 Jive Software.
 *
 * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jivesoftware.smackx.provider;

import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smack.provider.IQProvider;
import org.jivesoftware.smackx.packet.MUCAdmin;
import org.xmlpull.v1.XmlPullParser;

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

    public IQ parseIQ(XmlPullParser parser) throws Exception {
        MUCAdmin mucAdmin = new MUCAdmin();
        boolean done = false;
        while (!done) {
            int eventType = parser.next();
            if (eventType == XmlPullParser.START_TAG) {
                if (parser.getName().equals("item")) {
                    mucAdmin.addItem(parseItem(parser));
                }
            }
            else if (eventType == XmlPullParser.END_TAG) {
                if (parser.getName().equals("query")) {
                    done = true;
                }
            }
        }

        return mucAdmin;
    }

    private MUCAdmin.Item parseItem(XmlPullParser parser) throws Exception {
        boolean done = false;
        MUCAdmin.Item item =
            new MUCAdmin.Item(
                parser.getAttributeValue("", "affiliation"),
                parser.getAttributeValue("", "role"));
        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;
    }
}