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;
024
025import org.jivesoftware.smackx.disco.packet.DiscoverItems;
026
027import org.jxmpp.jid.Jid;
028import org.xmlpull.v1.XmlPullParser;
029import org.xmlpull.v1.XmlPullParserException;
030
031/**
032* The DiscoverInfoProvider parses Service Discovery items packets.
033*
034* @author Gaston Dombiak
035*/
036public class DiscoverItemsProvider extends IQProvider<DiscoverItems> {
037
038    @Override
039    public DiscoverItems parse(XmlPullParser parser, int initialDepth)
040                    throws XmlPullParserException, IOException {
041        DiscoverItems discoverItems = new DiscoverItems();
042        boolean done = false;
043        DiscoverItems.Item item;
044        Jid jid = null;
045        String name = "";
046        String action = "";
047        String node = "";
048        discoverItems.setNode(parser.getAttributeValue("", "node"));
049        while (!done) {
050            int eventType = parser.next();
051
052            if (eventType == XmlPullParser.START_TAG && "item".equals(parser.getName())) {
053                // Initialize the variables from the parsed XML
054                jid = ParserUtils.getJidAttribute(parser);
055                name = parser.getAttributeValue("", "name");
056                node = parser.getAttributeValue("", "node");
057                action = parser.getAttributeValue("", "action");
058            }
059            else if (eventType == XmlPullParser.END_TAG && "item".equals(parser.getName())) {
060                // Create a new Item and add it to DiscoverItems.
061                item = new DiscoverItems.Item(jid);
062                item.setName(name);
063                item.setNode(node);
064                item.setAction(action);
065                discoverItems.addItem(item);
066            }
067            else if (eventType == XmlPullParser.END_TAG && "query".equals(parser.getName())) {
068                done = true;
069            }
070        }
071
072        return discoverItems;
073    }
074}