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.data.element;
018
019import java.util.Collections;
020import java.util.Date;
021import java.util.List;
022
023import javax.xml.namespace.QName;
024
025import org.jivesoftware.smack.packet.ExtensionElement;
026import org.jivesoftware.smack.packet.Message;
027import org.jivesoftware.smack.util.XmlStringBuilder;
028
029import org.jivesoftware.smackx.iot.element.NodeInfo;
030
031public class IoTFieldsExtension implements ExtensionElement {
032
033    public static final String ELEMENT = "fields";
034    public static final String NAMESPACE = Constants.IOT_SENSORDATA_NAMESPACE;
035    public static final QName QNAME = new QName(NAMESPACE, ELEMENT);
036
037    private final int seqNr;
038    private final boolean done;
039    private final List<NodeElement> nodes;
040
041    public IoTFieldsExtension(int seqNr, boolean done, NodeElement node) {
042        this(seqNr, done, Collections.singletonList(node));
043    }
044
045    public IoTFieldsExtension(int seqNr, boolean done, List<NodeElement> nodes) {
046        this.seqNr = seqNr;
047        this.done = done;
048        this.nodes = Collections.unmodifiableList(nodes);
049    }
050
051    public int getSequenceNr() {
052        return seqNr;
053    }
054
055    public boolean isDone() {
056        return done;
057    }
058
059    public List<NodeElement> getNodes() {
060        return nodes;
061    }
062
063    @Override
064    public String getElementName() {
065        return ELEMENT;
066    }
067
068    @Override
069    public String getNamespace() {
070        return NAMESPACE;
071    }
072
073    @Override
074    public XmlStringBuilder toXML(org.jivesoftware.smack.packet.XmlEnvironment enclosingNamespace) {
075        XmlStringBuilder xml = new XmlStringBuilder(this);
076        xml.attribute("seqnr", Integer.toString(seqNr));
077        xml.attribute("done", done);
078        xml.rightAngleBracket();
079
080        xml.append(nodes);
081
082        xml.closeElement(this);
083        return xml;
084    }
085
086    public static IoTFieldsExtension buildFor(int seqNr, boolean done, NodeInfo nodeInfo,
087                    List<? extends IoTDataField> data) {
088        TimestampElement timestampElement = new TimestampElement(new Date(), data);
089        NodeElement nodeElement = new NodeElement(nodeInfo, timestampElement);
090        return new IoTFieldsExtension(seqNr, done, nodeElement);
091    }
092
093    public static IoTFieldsExtension from(Message message) {
094        return message.getExtension(IoTFieldsExtension.class);
095    }
096}