001/**
002 *
003 * Copyright 2016 Fernando Ramirez
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 */
017package org.jivesoftware.smackx.blocking.provider;
018
019import java.util.ArrayList;
020import java.util.List;
021
022import org.jivesoftware.smack.provider.IQProvider;
023
024import org.jivesoftware.smackx.blocking.element.UnblockContactsIQ;
025
026import org.jxmpp.jid.Jid;
027import org.jxmpp.jid.impl.JidCreate;
028import org.xmlpull.v1.XmlPullParser;
029
030/**
031 * Unblock contact IQ provider class.
032 *
033 * @author Fernando Ramirez
034 * @see <a href="http://xmpp.org/extensions/xep-0191.html">XEP-0191: Blocking
035 *      Command</a>
036 */
037public class UnblockContactsIQProvider extends IQProvider<UnblockContactsIQ> {
038
039    @Override
040    public UnblockContactsIQ parse(XmlPullParser parser, int initialDepth) throws Exception {
041        List<Jid> jids = null;
042
043        outerloop: while (true) {
044            int eventType = parser.next();
045
046            switch (eventType) {
047
048            case XmlPullParser.START_TAG:
049                if (parser.getName().equals("item")) {
050                    if (jids == null) {
051                        jids = new ArrayList<>();
052                    }
053                    jids.add(JidCreate.from(parser.getAttributeValue("", "jid")));
054                }
055                break;
056
057            case XmlPullParser.END_TAG:
058                if (parser.getDepth() == initialDepth) {
059                    break outerloop;
060                }
061                break;
062
063            }
064        }
065
066        return new UnblockContactsIQ(jids);
067    }
068
069}