/**
 * $Revision$
 * $Date$
 *
 * 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.packet;

import org.jivesoftware.smack.packet.PacketExtension;
import org.jivesoftware.smack.provider.PacketExtensionProvider;
import org.xmlpull.v1.XmlPullParser;

/**
 * A minimalistic implementation of a {@link PacketExtension} for nicknames.
 *
 * @author Guus der Kinderen, guus.der.kinderen@gmail.com
 * @see <a href="http://xmpp.org/extensions/xep-0172.html">XEP-0172: User Nickname</a>
 */
public class Nick implements PacketExtension {

    public static final String NAMESPACE = "http://jabber.org/protocol/nick";

    public static final String ELEMENT_NAME = "nick";

    private String name = null;

    public Nick(String name) {
        this.name = name;
    }

    /**
     * The value of this nickname
     *
     * @return the nickname
     */
    public String getName() {
        return name;
    }

    /**
     * Sets the value of this nickname
     *
     * @param name the name to set
     */
    public void setName(String name) {
        this.name = name;
    }

    /*
     * (non-Javadoc)
     *
     * @see org.jivesoftware.smack.packet.PacketExtension#getElementName()
     */
    public String getElementName() {
        return ELEMENT_NAME;
    }

    /*
     * (non-Javadoc)
     *
     * @see org.jivesoftware.smack.packet.PacketExtension#getNamespace()
     */
    public String getNamespace() {
        return NAMESPACE;
    }

    /*
     * (non-Javadoc)
     *
     * @see org.jivesoftware.smack.packet.PacketExtension#toXML()
     */
    public String toXML() {
        final StringBuilder buf = new StringBuilder();

        buf.append("<").append(ELEMENT_NAME).append(" xmlns=\"").append(
                NAMESPACE).append("\">");
        buf.append(getName());
        buf.append("</").append(ELEMENT_NAME).append('>');

        return buf.toString();
    }

    public static class Provider implements PacketExtensionProvider {

        public PacketExtension parseExtension(XmlPullParser parser)
                throws Exception {

            parser.next();
            final String name = parser.getText();

            // Advance to end of extension.
            while (parser.getEventType() != XmlPullParser.END_TAG) {
                parser.next();
            }

            return new Nick(name);
        }
    }
}
