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.workgroup.packet;
019
020import java.io.IOException;
021import java.text.ParseException;
022import java.text.SimpleDateFormat;
023import java.util.ArrayList;
024import java.util.Date;
025import java.util.List;
026import java.util.TimeZone;
027
028import org.jivesoftware.smack.provider.IQProvider;
029import org.jivesoftware.smack.util.ParserUtils;
030
031import org.jxmpp.jid.Jid;
032import org.xmlpull.v1.XmlPullParser;
033import org.xmlpull.v1.XmlPullParserException;
034
035/**
036 * An IQProvider for transcripts summaries.
037 *
038 * @author Gaston Dombiak
039 */
040public class TranscriptsProvider extends IQProvider<Transcripts> {
041
042    private static final SimpleDateFormat UTC_FORMAT = new SimpleDateFormat("yyyyMMdd'T'HH:mm:ss");
043    static {
044        UTC_FORMAT.setTimeZone(TimeZone.getTimeZone("GMT+0"));
045    }
046
047    @Override
048    public Transcripts parse(XmlPullParser parser, int initialDepth) throws XmlPullParserException, IOException {
049        Jid userID = ParserUtils.getJidAttribute(parser, "userID");
050        List<Transcripts.TranscriptSummary> summaries = new ArrayList<>();
051
052        boolean done = false;
053        while (!done) {
054            int eventType = parser.next();
055            if (eventType == XmlPullParser.START_TAG) {
056                if (parser.getName().equals("transcript")) {
057                    summaries.add(parseSummary(parser));
058                }
059            }
060            else if (eventType == XmlPullParser.END_TAG) {
061                if (parser.getName().equals("transcripts")) {
062                    done = true;
063                }
064            }
065        }
066
067        return new Transcripts(userID, summaries);
068    }
069
070    private Transcripts.TranscriptSummary parseSummary(XmlPullParser parser) throws IOException,
071            XmlPullParserException {
072        String sessionID =  parser.getAttributeValue("", "sessionID");
073        Date joinTime = null;
074        Date leftTime = null;
075        List<Transcripts.AgentDetail> agents = new ArrayList<>();
076
077        boolean done = false;
078        while (!done) {
079            int eventType = parser.next();
080            if (eventType == XmlPullParser.START_TAG) {
081                if (parser.getName().equals("joinTime")) {
082                    try {
083                        joinTime = UTC_FORMAT.parse(parser.nextText());
084                    } catch (ParseException e) { }
085                }
086                else if (parser.getName().equals("leftTime")) {
087                    try {
088                        leftTime = UTC_FORMAT.parse(parser.nextText());
089                    } catch (ParseException e) { }
090                }
091                else if (parser.getName().equals("agents")) {
092                    agents = parseAgents(parser);
093                }
094            }
095            else if (eventType == XmlPullParser.END_TAG) {
096                if (parser.getName().equals("transcript")) {
097                    done = true;
098                }
099            }
100        }
101
102        return new Transcripts.TranscriptSummary(sessionID, joinTime, leftTime, agents);
103    }
104
105    private List<Transcripts.AgentDetail> parseAgents(XmlPullParser parser) throws IOException, XmlPullParserException {
106        List<Transcripts.AgentDetail> agents = new ArrayList<>();
107        String agentJID =  null;
108        Date joinTime = null;
109        Date leftTime = null;
110
111        boolean done = false;
112        while (!done) {
113            int eventType = parser.next();
114            if (eventType == XmlPullParser.START_TAG) {
115                if (parser.getName().equals("agentJID")) {
116                    agentJID = parser.nextText();
117                }
118                else if (parser.getName().equals("joinTime")) {
119                    try {
120                        joinTime = UTC_FORMAT.parse(parser.nextText());
121                    } catch (ParseException e) { }
122                }
123                else if (parser.getName().equals("leftTime")) {
124                    try {
125                        leftTime = UTC_FORMAT.parse(parser.nextText());
126                    } catch (ParseException e) { }
127                }
128                else if (parser.getName().equals("agent")) {
129                    agentJID =  null;
130                    joinTime = null;
131                    leftTime = null;
132                }
133            }
134            else if (eventType == XmlPullParser.END_TAG) {
135                if (parser.getName().equals("agents")) {
136                    done = true;
137                }
138                else if (parser.getName().equals("agent")) {
139                    agents.add(new Transcripts.AgentDetail(agentJID, joinTime, leftTime));
140                }
141            }
142        }
143        return agents;
144    }
145}