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/AgentStatusRequest.java

@@ -0,0 +1,163 @@
+/**
+ * $Revision$
+ * $Date$
+ *
+ * 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.util.Collections;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+
+/**
+ * Agent status request packet. This packet is used by agents to request the list of
+ * agents in a workgroup. The response packet contains a list of packets. Presence
+ * packets from individual agents follow.
+ *
+ * @author Matt Tucker
+ */
+public class AgentStatusRequest extends IQ {
+
+     /**
+     * Element name of the packet extension.
+     */
+    public static final String ELEMENT_NAME = "agent-status-request";
+
+    /**
+     * Namespace of the packet extension.
+     */
+    public static final String NAMESPACE = "http://jabber.org/protocol/workgroup";
+
+    private Set agents;
+
+    public AgentStatusRequest() {
+        agents = new HashSet();
+    }
+
+    public int getAgentCount() {
+        return agents.size();
+    }
+
+    public Set getAgents() {
+        return Collections.unmodifiableSet(agents);
+    }
+
+    public String getElementName() {
+        return ELEMENT_NAME;
+    }
+
+    public String getNamespace() {
+        return NAMESPACE;
+    }
+
+    public String getChildElementXML() {
+        StringBuilder buf = new StringBuilder();
+        buf.append("<").append(ELEMENT_NAME).append(" xmlns=\"").append(NAMESPACE).append("\">");
+        synchronized (agents) {
+            for (Iterator i=agents.iterator(); i.hasNext(); ) {
+                Item item = (Item) i.next();
+                buf.append("<agent jid=\"").append(item.getJID()).append("\">");
+                if (item.getName() != null) {
+                    buf.append("<name xmlns=\""+ AgentInfo.NAMESPACE + "\">");
+                    buf.append(item.getName());
+                    buf.append("</name>");
+                }
+                buf.append("</agent>");
+            }
+        }
+        buf.append("</").append(this.getElementName()).append("> ");
+        return buf.toString();
+    }
+
+    public static class Item {
+
+        private String jid;
+        private String type;
+        private String name;
+
+        public Item(String jid, String type, String name) {
+            this.jid = jid;
+            this.type = type;
+            this.name = name;
+        }
+
+        public String getJID() {
+            return jid;
+        }
+
+        public String getType() {
+            return type;
+        }
+
+        public String getName() {
+            return name;
+        }
+    }
+
+    /**
+     * Packet extension provider for AgentStatusRequest packets.
+     */
+    public static class Provider implements IQProvider {
+
+        public IQ parseIQ(XmlPullParser parser) throws Exception {
+            AgentStatusRequest statusRequest = new AgentStatusRequest();
+
+            if (parser.getEventType() != XmlPullParser.START_TAG) {
+                throw new IllegalStateException("Parser not in proper position, or bad XML.");
+            }
+
+            boolean done = false;
+            while (!done) {
+                int eventType = parser.next();
+                if ((eventType == XmlPullParser.START_TAG) && ("agent".equals(parser.getName()))) {
+                    statusRequest.agents.add(parseAgent(parser));
+                }
+                else if (eventType == XmlPullParser.END_TAG &&
+                        "agent-status-request".equals(parser.getName()))
+                {
+                    done = true;
+                }
+            }
+            return statusRequest;
+        }
+
+        private Item parseAgent(XmlPullParser parser) throws Exception {
+
+            boolean done = false;
+            String jid = parser.getAttributeValue("", "jid");
+            String type = parser.getAttributeValue("", "type");
+            String name = null;
+            while (!done) {
+                int eventType = parser.next();
+                if ((eventType == XmlPullParser.START_TAG) && ("name".equals(parser.getName()))) {
+                    name = parser.nextText();
+                }
+                else if (eventType == XmlPullParser.END_TAG &&
+                        "agent".equals(parser.getName()))
+                {
+                    done = true;
+                }
+            }
+            return new Item(jid, type, name);
+        }
+    }
+}