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;
023import org.jxmpp.jid.BareJid;
024
025public class Friend implements ExtensionElement {
026
027    public static final String ELEMENT = "friend";
028    public static final String NAMESPACE = Constants.IOT_PROVISIONING_NAMESPACE;
029
030    private final BareJid friend;
031
032    public Friend(BareJid friend) {
033        this.friend = Objects.requireNonNull(friend, "Friend must not be null");
034    }
035
036    @Override
037    public String getElementName() {
038        return ELEMENT;
039    }
040
041    @Override
042    public String getNamespace() {
043        return NAMESPACE;
044    }
045
046    @Override
047    public XmlStringBuilder toXML() {
048        XmlStringBuilder xml = new XmlStringBuilder(this);
049        xml.attribute("jid", friend);
050        xml.closeEmptyElement();
051        return xml;
052    }
053
054    public BareJid getFriend() {
055        return friend;
056    }
057
058    public static Friend from(Message message) {
059        return message.getExtension(ELEMENT, NAMESPACE);
060    }
061}