Initial work on ChatState.

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@6215 b35dd754-fafc-0310-a699-88a17e54d16e

source/org/jivesoftware/smackx/packet/ChatStateExtension.java

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+/**
+ * $RCSfile$
+ * $Revision: 2407 $
+ * $Date: 2004-11-02 15:37:00 -0800 (Tue, 02 Nov 2004) $
+ *
+ * Copyright 2003-2004 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.packet;
+
+import org.jivesoftware.smackx.ChatState;
+import org.jivesoftware.smack.packet.PacketExtension;
+import org.jivesoftware.smack.provider.PacketExtensionProvider;
+import org.xmlpull.v1.XmlPullParser;
+
+/**
+ * Represents a chat state which is an extension to message packets which is used to indicate
+ * the current status of a chat participant.
+ *
+ * @see org.jivesoftware.smackx.ChatState
+ * @author Alexander Wenckus
+ */
+public class ChatStateExtension implements PacketExtension {
+
+    private ChatState state;
+
+    /**
+     * Default constructor. The argument provided is the state that the extension will represent.
+     *
+     * @param state the state that the extension represents.
+     */
+    public ChatStateExtension(ChatState state) {
+        this.state = state;
+    }
+
+    public String getElementName() {
+        return state.name();
+    }
+
+    public String getNamespace() {
+        return "http://jabber.org/protocol/chatstates";
+    }
+
+    public String toXML() {
+        return "<" + getElementName() + " xmlns=\"" + getNamespace() + "\" />";
+    }
+
+    public class Provider implements PacketExtensionProvider {
+
+        public PacketExtension parseExtension(XmlPullParser parser) throws Exception {
+            return null;
+        }
+    }
+}