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