1 /** 2 * $Revision$ 3 * $Date$ 4 * 5 * Copyright 2003-2007 Jive Software. 6 * 7 * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); 8 * you may not use this file except in compliance with the License. 9 * You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, software 14 * distributed under the License is distributed on an "AS IS" BASIS, 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 * See the License for the specific language governing permissions and 17 * limitations under the License. 18 */ 19 20 package org.jivesoftware.smackx.workgroup.packet; 21 22 import org.jivesoftware.smack.packet.IQ; 23 import org.jivesoftware.smack.provider.IQProvider; 24 import org.xmlpull.v1.XmlPullParser; 25 26 import java.text.SimpleDateFormat; 27 import java.util.*; 28 29 /** 30 * Packet used for requesting information about occupants of a room or for retrieving information 31 * such information. 32 * 33 * @author Gaston Dombiak 34 */ 35 public class OccupantsInfo extends IQ { 36 37 private static final SimpleDateFormat UTC_FORMAT = new SimpleDateFormat("yyyyMMdd'T'HH:mm:ss"); 38 39 static { 40 UTC_FORMAT.setTimeZone(TimeZone.getTimeZone("GMT+0")); 41 } 42 43 /** 44 * Element name of the packet extension. 45 */ 46 public static final String ELEMENT_NAME = "occupants-info"; 47 48 /** 49 * Namespace of the packet extension. 50 */ 51 public static final String NAMESPACE = "http://jivesoftware.com/protocol/workgroup"; 52 53 private String roomID; 54 private final Set<OccupantInfo> occupants; 55 56 public OccupantsInfo(String roomID) { 57 this.roomID = roomID; 58 this.occupants = new HashSet<OccupantInfo>(); 59 } 60 61 public String getRoomID() { 62 return roomID; 63 } 64 65 public int getOccupantsCount() { 66 return occupants.size(); 67 } 68 69 public Set<OccupantInfo> getOccupants() { 70 return Collections.unmodifiableSet(occupants); 71 } 72 73 public String getChildElementXML() { 74 StringBuilder buf = new StringBuilder(); 75 buf.append("<").append(ELEMENT_NAME).append(" xmlns=\"").append(NAMESPACE); 76 buf.append("\" roomID=\"").append(roomID).append("\">"); 77 synchronized (occupants) { 78 for (OccupantInfo occupant : occupants) { 79 buf.append("<occupant>"); 80 // Add the occupant jid 81 buf.append("<jid>"); 82 buf.append(occupant.getJID()); 83 buf.append("</jid>"); 84 // Add the occupant nickname 85 buf.append("<name>"); 86 buf.append(occupant.getNickname()); 87 buf.append("</name>"); 88 // Add the date when the occupant joined the room 89 buf.append("<joined>"); 90 buf.append(UTC_FORMAT.format(occupant.getJoined())); 91 buf.append("</joined>"); 92 buf.append("</occupant>"); 93 } 94 } 95 buf.append("</").append(ELEMENT_NAME).append("> "); 96 return buf.toString(); 97 } 98 99 public static class OccupantInfo { 100 101 private String jid; 102 private String nickname; 103 private Date joined; 104 105 public OccupantInfo(String jid, String nickname, Date joined) { 106 this.jid = jid; 107 this.nickname = nickname; 108 this.joined = joined; 109 } 110 111 public String getJID() { 112 return jid; 113 } 114 115 public String getNickname() { 116 return nickname; 117 } 118 119 public Date getJoined() { 120 return joined; 121 } 122 } 123 124 /** 125 * Packet extension provider for AgentStatusRequest packets. 126 */ 127 public static class Provider implements IQProvider { 128 129 public IQ parseIQ(XmlPullParser parser) throws Exception { 130 if (parser.getEventType() != XmlPullParser.START_TAG) { 131 throw new IllegalStateException("Parser not in proper position, or bad XML."); 132 } 133 OccupantsInfo occupantsInfo = new OccupantsInfo(parser.getAttributeValue("", "roomID")); 134 135 boolean done = false; 136 while (!done) { 137 int eventType = parser.next(); 138 if ((eventType == XmlPullParser.START_TAG) && 139 ("occupant".equals(parser.getName()))) { 140 occupantsInfo.occupants.add(parseOccupantInfo(parser)); 141 } else if (eventType == XmlPullParser.END_TAG && 142 ELEMENT_NAME.equals(parser.getName())) { 143 done = true; 144 } 145 } 146 return occupantsInfo; 147 } 148 149 private OccupantInfo parseOccupantInfo(XmlPullParser parser) throws Exception { 150 151 boolean done = false; 152 String jid = null; 153 String nickname = null; 154 Date joined = null; 155 while (!done) { 156 int eventType = parser.next(); 157 if ((eventType == XmlPullParser.START_TAG) && ("jid".equals(parser.getName()))) { 158 jid = parser.nextText(); 159 } else if ((eventType == XmlPullParser.START_TAG) && 160 ("nickname".equals(parser.getName()))) { 161 nickname = parser.nextText(); 162 } else if ((eventType == XmlPullParser.START_TAG) && 163 ("joined".equals(parser.getName()))) { 164 joined = UTC_FORMAT.parse(parser.nextText()); 165 } else if (eventType == XmlPullParser.END_TAG && 166 "occupant".equals(parser.getName())) { 167 done = true; 168 } 169 } 170 return new OccupantInfo(jid, nickname, joined); 171 } 172 } 173 } 174
