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}