001/**
002 *
003 * Copyright 2003-2007 Jive Software.
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.jivesoftware.smackx.disco.provider;
019
020import java.io.IOException;
021
022import org.jivesoftware.smack.provider.IQProvider;
023import org.jivesoftware.smack.util.ParserUtils;
024import org.jivesoftware.smackx.disco.packet.DiscoverItems;
025import org.jxmpp.jid.Jid;
026import org.xmlpull.v1.XmlPullParser;
027import org.xmlpull.v1.XmlPullParserException;
028
029/**
030* The DiscoverInfoProvider parses Service Discovery items packets.
031*
032* @author Gaston Dombiak
033*/
034public class DiscoverItemsProvider extends IQProvider<DiscoverItems> {
035
036    @Override
037    public DiscoverItems parse(XmlPullParser parser, int initialDepth)
038                    throws XmlPullParserException, IOException {
039        DiscoverItems discoverItems = new DiscoverItems();
040        boolean done = false;
041        DiscoverItems.Item item;
042        Jid jid = null;
043        String name = "";
044        String action = "";
045        String node = "";
046        discoverItems.setNode(parser.getAttributeValue("", "node"));
047        while (!done) {
048            int eventType = parser.next();
049
050            if (eventType == XmlPullParser.START_TAG && "item".equals(parser.getName())) {
051                // Initialize the variables from the parsed XML
052                jid = ParserUtils.getJidAttribute(parser);
053                name = parser.getAttributeValue("", "name");
054                node = parser.getAttributeValue("", "node");
055                action = parser.getAttributeValue("", "action");
056            }
057            else if (eventType == XmlPullParser.END_TAG && "item".equals(parser.getName())) {
058                // Create a new Item and add it to DiscoverItems.
059                item = new DiscoverItems.Item(jid);
060                item.setName(name);
061                item.setNode(node);
062                item.setAction(action);
063                discoverItems.addItem(item);
064            }
065            else if (eventType == XmlPullParser.END_TAG && "query".equals(parser.getName())) {
066                done = true;
067            }
068        }
069
070        return discoverItems;
071    }
072}