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.muclight.provider;
018
019import java.io.IOException;
020import java.util.HashMap;
021import java.util.Map;
022
023import org.jivesoftware.smack.packet.IQ;
024import org.jivesoftware.smack.packet.IqData;
025import org.jivesoftware.smack.packet.XmlEnvironment;
026import org.jivesoftware.smack.provider.IqProvider;
027import org.jivesoftware.smack.xml.XmlPullParser;
028import org.jivesoftware.smack.xml.XmlPullParserException;
029
030import org.jivesoftware.smackx.muclight.element.MUCLightBlockingIQ;
031
032import org.jxmpp.JxmppContext;
033import org.jxmpp.jid.Jid;
034import org.jxmpp.jid.impl.JidCreate;
035import org.jxmpp.stringprep.XmppStringprepException;
036
037/**
038 * MUC Light blocking IQ provider class.
039 *
040 * @author Fernando Ramirez
041 *
042 */
043public class MUCLightBlockingIQProvider extends IqProvider<MUCLightBlockingIQ> {
044
045    @Override
046    public MUCLightBlockingIQ parse(XmlPullParser parser, int initialDepth, IqData iqData, XmlEnvironment xmlEnvironment, JxmppContext jxmppContext) throws XmlPullParserException, IOException {
047        Map<Jid, Boolean> rooms = null;
048        Map<Jid, Boolean> users = null;
049
050        outerloop: while (true) {
051            XmlPullParser.Event eventType = parser.next();
052
053            if (eventType == XmlPullParser.Event.START_ELEMENT) {
054
055                if (parser.getName().equals("room")) {
056                    rooms = parseBlocking(parser, rooms);
057                }
058
059                if (parser.getName().equals("user")) {
060                    users = parseBlocking(parser, users);
061                }
062
063            } else if (eventType == XmlPullParser.Event.END_ELEMENT) {
064                if (parser.getDepth() == initialDepth) {
065                    break outerloop;
066                }
067            }
068        }
069
070        MUCLightBlockingIQ mucLightBlockingIQ = new MUCLightBlockingIQ(rooms, users);
071        mucLightBlockingIQ.setType(IQ.Type.result);
072        return mucLightBlockingIQ;
073    }
074
075    private static Map<Jid, Boolean> parseBlocking(XmlPullParser parser, Map<Jid, Boolean> map)
076            throws XmppStringprepException, XmlPullParserException, IOException {
077        if (map == null) {
078            map = new HashMap<>();
079        }
080        String action = parser.getAttributeValue("", "action");
081
082        if (action.equals("deny")) {
083            map.put(JidCreate.from(parser.nextText()), false);
084        } else if (action.equals("allow")) {
085            map.put(JidCreate.from(parser.nextText()), true);
086        }
087        return map;
088    }
089
090}