001/**
002 *
003 * Copyright © 2016 Florian Schmaus
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.jivesoftware.smackx.iot.provisioning.element;
018
019import org.jivesoftware.smack.packet.ExtensionElement;
020import org.jivesoftware.smack.packet.Message;
021import org.jivesoftware.smack.util.Objects;
022import org.jivesoftware.smack.util.XmlStringBuilder;
023
024import org.jxmpp.jid.BareJid;
025
026public class Friend implements ExtensionElement {
027
028    public static final String ELEMENT = "friend";
029    public static final String NAMESPACE = Constants.IOT_PROVISIONING_NAMESPACE;
030
031    private final BareJid friend;
032
033    public Friend(BareJid friend) {
034        this.friend = Objects.requireNonNull(friend, "Friend must not be null");
035    }
036
037    @Override
038    public String getElementName() {
039        return ELEMENT;
040    }
041
042    @Override
043    public String getNamespace() {
044        return NAMESPACE;
045    }
046
047    @Override
048    public XmlStringBuilder toXML(String enclosingNamespace) {
049        XmlStringBuilder xml = new XmlStringBuilder(this);
050        xml.attribute("jid", friend);
051        xml.closeEmptyElement();
052        return xml;
053    }
054
055    public BareJid getFriend() {
056        return friend;
057    }
058
059    public static Friend from(Message message) {
060        return message.getExtension(ELEMENT, NAMESPACE);
061    }
062}