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/QueueDetails.java

@@ -0,0 +1,200 @@
+/**
+ * $Revision$
+ * $Date$
+ *
+ * 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.smackx.workgroup.QueueUser;
+import org.jivesoftware.smack.packet.PacketExtension;
+import org.jivesoftware.smack.provider.PacketExtensionProvider;
+import org.xmlpull.v1.XmlPullParser;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+
+/**
+ * Queue details packet extension, which contains details about the users
+ * currently in a queue.
+ */
+public class QueueDetails implements PacketExtension {
+
+    /**
+     * Element name of the packet extension.
+     */
+    public static final String ELEMENT_NAME = "notify-queue-details";
+
+    /**
+     * Namespace of the packet extension.
+     */
+    public static final String NAMESPACE = "http://jabber.org/protocol/workgroup";
+
+    private static final SimpleDateFormat DATE_FORMATTER = new SimpleDateFormat("yyyyMMdd'T'HH:mm:ss");
+
+    /**
+     * The list of users in the queue.
+     */
+    private Set users;
+
+    /**
+     * Creates a new QueueDetails packet
+     */
+    private QueueDetails() {
+        users = new HashSet();
+    }
+
+    /**
+     * Returns the number of users currently in the queue that are waiting to
+     * be routed to an agent.
+     *
+     * @return the number of users in the queue.
+     */
+    public int getUserCount() {
+        return users.size();
+    }
+
+    /**
+     * Returns the set of users in the queue that are waiting to
+     * be routed to an agent (as QueueUser objects).
+     *
+     * @return a Set for the users waiting in a queue.
+     */
+    public Set getUsers() {
+        synchronized (users) {
+            return users;
+        }
+    }
+
+    /**
+     * Adds a user to the packet.
+     *
+     * @param user the user.
+     */
+    private void addUser(QueueUser user) {
+        synchronized (users) {
+            users.add(user);
+        }
+    }
+
+    public String getElementName() {
+        return ELEMENT_NAME;
+    }
+
+    public String getNamespace() {
+        return NAMESPACE;
+    }
+
+    public String toXML() {
+        StringBuilder buf = new StringBuilder();
+        buf.append("<").append(ELEMENT_NAME).append(" xmlns=\"").append(NAMESPACE).append("\">");
+
+        synchronized (users) {
+            for (Iterator i=users.iterator(); i.hasNext(); ) {
+                QueueUser user = (QueueUser)i.next();
+                int position = user.getQueuePosition();
+                int timeRemaining = user.getEstimatedRemainingTime();
+                Date timestamp = user.getQueueJoinTimestamp();
+
+                buf.append("<user jid=\"").append(user.getUserID()).append("\">");
+
+                if (position != -1) {
+                    buf.append("<position>").append(position).append("</position>");
+                }
+
+                if (timeRemaining != -1) {
+                    buf.append("<time>").append(timeRemaining).append("</time>");
+                }
+
+                if (timestamp != null) {
+                    buf.append("<join-time>");
+                    buf.append(DATE_FORMATTER.format(timestamp));
+                    buf.append("</join-time>");
+                }
+
+                buf.append("</user>");
+            }
+        }
+        buf.append("</").append(ELEMENT_NAME).append(">");
+        return buf.toString();
+    }
+
+    /**
+     * Provider class for QueueDetails packet extensions.
+     */
+    public static class Provider implements PacketExtensionProvider {
+
+        public PacketExtension parseExtension(XmlPullParser parser) throws Exception {
+            QueueDetails queueDetails = new QueueDetails();
+
+            int eventType = parser.getEventType();
+            while (eventType != XmlPullParser.END_TAG &&
+                    "notify-queue-details".equals(parser.getName()))
+            {
+                eventType = parser.next();
+                while ((eventType == XmlPullParser.START_TAG) && "user".equals(parser.getName())) {
+                    String uid = null;
+                    int position = -1;
+                    int time = -1;
+                    Date joinTime = null;
+
+                    uid = parser.getAttributeValue("", "jid");
+               
+                    if (uid == null) {
+                        // throw exception
+                    }
+
+                    eventType = parser.next();
+                    while ((eventType != XmlPullParser.END_TAG)
+                                || (! "user".equals(parser.getName())))
+                    {
+                        if ("position".equals(parser.getName())) {
+                            position = Integer.parseInt(parser.nextText());
+                        }
+                        else if ("time".equals(parser.getName())) {
+                            time = Integer.parseInt(parser.nextText());
+                        }
+                        else if ("join-time".equals(parser.getName())) {
+                            joinTime = DATE_FORMATTER.parse(parser.nextText());
+                        }
+                        else if( parser.getName().equals( "waitTime" ) ) {
+                          Date wait = DATE_FORMATTER.parse( parser.nextText() );
+                          System.out.println( wait );
+                        }
+                        
+                     
+                            
+                        eventType = parser.next();
+
+                        if (eventType != XmlPullParser.END_TAG) {
+                            // throw exception
+                        }
+                    }
+                
+                       
+
+                    queueDetails.addUser(new QueueUser(uid, position, time, joinTime));
+
+                    eventType = parser.next();
+                }
+            }
+            return queueDetails;
+        }
+    }
+}