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