Adding workgroup API (SMACK-185).

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@7400 b35dd754-fafc-0310-a699-88a17e54d16e

source/org/jivesoftware/smackx/workgroup/packet/OccupantsInfo.java

@@ -0,0 +1,173 @@
+/**
+ * $Revision$
+ * $Date$
+ *
+ * Copyright 2003-2007 Jive Software.
+ *
+ * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jivesoftware.smackx.workgroup.packet;
+
+import org.jivesoftware.smack.packet.IQ;
+import org.jivesoftware.smack.provider.IQProvider;
+import org.xmlpull.v1.XmlPullParser;
+
+import java.text.SimpleDateFormat;
+import java.util.*;
+
+/**
+ * Packet used for requesting information about occupants of a room or for retrieving information
+ * such information.
+ *
+ * @author Gaston Dombiak
+ */
+public class OccupantsInfo extends IQ {
+
+    private static final SimpleDateFormat UTC_FORMAT = new SimpleDateFormat("yyyyMMdd'T'HH:mm:ss");
+
+    static {
+        UTC_FORMAT.setTimeZone(TimeZone.getTimeZone("GMT+0"));
+    }
+
+    /**
+     * Element name of the packet extension.
+     */
+    public static final String ELEMENT_NAME = "occupants-info";
+
+    /**
+     * Namespace of the packet extension.
+     */
+    public static final String NAMESPACE = "http://jivesoftware.com/protocol/workgroup";
+
+    private String roomID;
+    private final Set<OccupantInfo> occupants;
+
+    public OccupantsInfo(String roomID) {
+        this.roomID = roomID;
+        this.occupants = new HashSet<OccupantInfo>();
+    }
+
+    public String getRoomID() {
+        return roomID;
+    }
+
+    public int getOccupantsCount() {
+        return occupants.size();
+    }
+
+    public Set<OccupantInfo> getOccupants() {
+        return Collections.unmodifiableSet(occupants);
+    }
+
+    public String getChildElementXML() {
+        StringBuilder buf = new StringBuilder();
+        buf.append("<").append(ELEMENT_NAME).append(" xmlns=\"").append(NAMESPACE);
+        buf.append("\" roomID=\"").append(roomID).append("\">");
+        synchronized (occupants) {
+            for (OccupantInfo occupant : occupants) {
+                buf.append("<occupant>");
+                // Add the occupant jid
+                buf.append("<jid>");
+                buf.append(occupant.getJID());
+                buf.append("</jid>");
+                // Add the occupant nickname
+                buf.append("<name>");
+                buf.append(occupant.getNickname());
+                buf.append("</name>");
+                // Add the date when the occupant joined the room
+                buf.append("<joined>");
+                buf.append(UTC_FORMAT.format(occupant.getJoined()));
+                buf.append("</joined>");
+                buf.append("</occupant>");
+            }
+        }
+        buf.append("</").append(ELEMENT_NAME).append("> ");
+        return buf.toString();
+    }
+
+    public static class OccupantInfo {
+
+        private String jid;
+        private String nickname;
+        private Date joined;
+
+        public OccupantInfo(String jid, String nickname, Date joined) {
+            this.jid = jid;
+            this.nickname = nickname;
+            this.joined = joined;
+        }
+
+        public String getJID() {
+            return jid;
+        }
+
+        public String getNickname() {
+            return nickname;
+        }
+
+        public Date getJoined() {
+            return joined;
+        }
+    }
+
+    /**
+     * Packet extension provider for AgentStatusRequest packets.
+     */
+    public static class Provider implements IQProvider {
+
+        public IQ parseIQ(XmlPullParser parser) throws Exception {
+            if (parser.getEventType() != XmlPullParser.START_TAG) {
+                throw new IllegalStateException("Parser not in proper position, or bad XML.");
+            }
+            OccupantsInfo occupantsInfo = new OccupantsInfo(parser.getAttributeValue("", "roomID"));
+
+            boolean done = false;
+            while (!done) {
+                int eventType = parser.next();
+                if ((eventType == XmlPullParser.START_TAG) &&
+                        ("occupant".equals(parser.getName()))) {
+                    occupantsInfo.occupants.add(parseOccupantInfo(parser));
+                } else if (eventType == XmlPullParser.END_TAG &&
+                        ELEMENT_NAME.equals(parser.getName())) {
+                    done = true;
+                }
+            }
+            return occupantsInfo;
+        }
+
+        private OccupantInfo parseOccupantInfo(XmlPullParser parser) throws Exception {
+
+            boolean done = false;
+            String jid = null;
+            String nickname = null;
+            Date joined = null;
+            while (!done) {
+                int eventType = parser.next();
+                if ((eventType == XmlPullParser.START_TAG) && ("jid".equals(parser.getName()))) {
+                    jid = parser.nextText();
+                } else if ((eventType == XmlPullParser.START_TAG) &&
+                        ("nickname".equals(parser.getName()))) {
+                    nickname = parser.nextText();
+                } else if ((eventType == XmlPullParser.START_TAG) &&
+                        ("joined".equals(parser.getName()))) {
+                    joined = UTC_FORMAT.parse(parser.nextText());
+                } else if (eventType == XmlPullParser.END_TAG &&
+                        "occupant".equals(parser.getName())) {
+                    done = true;
+                }
+            }
+            return new OccupantInfo(jid, nickname, joined);
+        }
+    }
+}