001/**
002 *
003 * Copyright © 2016-2020 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 javax.xml.namespace.QName;
020
021import org.jivesoftware.smack.packet.ExtensionElement;
022import org.jivesoftware.smack.packet.Message;
023import org.jivesoftware.smack.util.Objects;
024import org.jivesoftware.smack.util.XmlStringBuilder;
025
026import org.jxmpp.jid.BareJid;
027
028public class Friend implements ExtensionElement {
029
030    public static final String ELEMENT = "friend";
031    public static final String NAMESPACE = Constants.IOT_PROVISIONING_NAMESPACE;
032    public static final QName QNAME = new QName(NAMESPACE, ELEMENT);
033
034    private final BareJid friend;
035
036    public Friend(BareJid friend) {
037        this.friend = Objects.requireNonNull(friend, "Friend must not be null");
038    }
039
040    @Override
041    public String getElementName() {
042        return ELEMENT;
043    }
044
045    @Override
046    public String getNamespace() {
047        return NAMESPACE;
048    }
049
050    @Override
051    public XmlStringBuilder toXML(org.jivesoftware.smack.packet.XmlEnvironment enclosingNamespace) {
052        XmlStringBuilder xml = new XmlStringBuilder(this);
053        xml.attribute("jid", friend);
054        xml.closeEmptyElement();
055        return xml;
056    }
057
058    public BareJid getFriend() {
059        return friend;
060    }
061
062    public static Friend from(Message message) {
063        return message.getExtension(Friend.class);
064    }
065}