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