/**
 * $Revision$
 * $Date$
 *
 * 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.PacketExtension;
import org.jivesoftware.smack.provider.PacketExtensionProvider;
import org.xmlpull.v1.XmlPullParser;

public class UserID implements PacketExtension {

	public static class Provider implements PacketExtensionProvider {

		@Override
		public PacketExtension parseExtension(XmlPullParser parser)
				throws Exception {
			final String userID = parser.getAttributeValue("", "id");

			// Advance to end of extension.
			parser.next();

			return new UserID(userID);
		}
	}

	/**
	 * Element name of the packet extension.
	 */
	public static final String ELEMENT_NAME = "user";

	/**
	 * Namespace of the packet extension.
	 */
	public static final String NAMESPACE = "http://jivesoftware.com/protocol/workgroup";

	private final String userID;

	public UserID(String userID) {
		this.userID = userID;
	}

	@Override
	public String getElementName() {
		return ELEMENT_NAME;
	}

	@Override
	public String getNamespace() {
		return NAMESPACE;
	}

	public String getUserID() {
		return userID;
	}

	@Override
	public String toXML() {
		final StringBuilder buf = new StringBuilder();

		buf.append("<").append(ELEMENT_NAME).append(" xmlns=\"")
				.append(NAMESPACE).append("\" ");
		buf.append("id=\"").append(getUserID());
		buf.append("\"/>");

		return buf.toString();
	}
}