Java tutorial
/* Copyright (c) 2011-2014, OpenIoT * * This file is part of OpenIoT. * * OpenIoT is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, version 3 of the License. * * OpenIoT is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with OpenIoT. If not, see <http://www.gnu.org/licenses/>. * * Contact: OpenIoT mailto: info@openiot.eu */ package org.openiot.integration; import java.io.IOException; import java.util.List; import org.apache.http.HttpResponse; import org.apache.http.StatusLine; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.StringEntity; import org.apache.http.impl.client.HttpClientBuilder; import org.apache.http.util.EntityUtils; /** * * @author Aleksandar */ public class VirtualSensor { String gsnAddress; List<String> sensorParameters; List<String> sensorTypes; List<String> lsmProperty; List<String> lsmUnit; String virtualSensorID; int virtualSensorPort; double latitude; double longitude; public VirtualSensor(String id, int port, double lat, double lng, List<String> param, List<String> paramTypes, List<String> lsmProp, List<String> lsmUnits, String gsn) { this.gsnAddress = gsn; this.virtualSensorID = id; this.virtualSensorPort = port; this.latitude = lat; this.longitude = lng; this.sensorParameters = param; this.sensorTypes = paramTypes; this.lsmProperty = lsmProp; this.lsmUnit = lsmUnits; } public void createAndRegister() throws IOException, InterruptedException { HttpClient client = HttpClientBuilder.create().build(); String name = "FER" + virtualSensorID; WriteXMLFile xmlFile = new WriteXMLFile(name, virtualSensorPort, sensorParameters, sensorTypes); String virtualSensor = xmlFile.createXML(); String url = "http://" + gsnAddress + "/vs/vsensor/" + name + "/create"; HttpPost request = new HttpPost(url); StringEntity input = new StringEntity(virtualSensor); input.setContentType("text/xml"); request.setEntity(input); HttpResponse response = client.execute(request); StatusLine statusLine = response.getStatusLine(); boolean result = statusLine.getStatusCode() == 200; EntityUtils.toString(response.getEntity()); response.getEntity().getContent().close(); WriteMetadataFile metaFile = new WriteMetadataFile(name, virtualSensorID, latitude, longitude, sensorParameters, lsmProperty, lsmUnit); String sensorInstance = metaFile.createMetadata(); url = "http://" + gsnAddress + "/vs/vsensor/" + name + "/register"; request = new HttpPost(url); input = new StringEntity(sensorInstance); input.setContentType("text/xml"); request.setEntity(input); response = client.execute(request); statusLine = response.getStatusLine(); result = statusLine.getStatusCode() == 200; EntityUtils.toString(response.getEntity()); response.getEntity().getContent().close(); } }