public String feed(String sensorId) {
String nt = "";
try {
Sensor sensor = sensorManager.getSpecifiedSensorWithSensorId(sensorId);
if (sensor == null) return null;
String xml = WebServiceURLRetriever.RetrieveFromURL(sensor.getSource());
System.setProperty(
"javax.xml.transform.TransformerFactory", "net.sf.saxon.TransformerFactoryImpl");
TransformerFactory tFactory = TransformerFactory.newInstance();
String xsltPath =
XSLTMapFile.sensordata2xslt.get(SourceType.getSourceType(sensor.getSourceType()));
xsltPath = MyServlet.realPath + xsltPath;
try {
Transformer transformer = tFactory.newTransformer(new StreamSource(new File(xsltPath)));
String id = sensor.getId().substring(sensor.getId().lastIndexOf("/") + 1);
String foi =
Double.toString(sensor.getPlace().getLat()).replace(".", "").replace("-", "")
+ Double.toString(sensor.getPlace().getLng()).replace(".", "").replace("-", "");
transformer.setParameter("sensorId", id);
transformer.setParameter("sourceType", sensor.getSourceType());
transformer.setParameter("sensorType", sensor.getSensorType());
transformer.setParameter("sourceURL", sensor.getSource());
transformer.setParameter("foi", foi);
InputStream inputStream = new ByteArrayInputStream(xml.getBytes("UTF-8"));
Writer outWriter = new StringWriter();
StreamResult result = new StreamResult(outWriter);
transformer.transform(new StreamSource(inputStream), result);
nt = outWriter.toString().trim();
// System.out.println(nt);
sensorManager.insertTriplesToGraph(VirtuosoConstantUtil.sensormasherDataGraphURI, nt);
} catch (Exception e) {
e.printStackTrace();
}
} catch (Exception e) {
e.printStackTrace();
}
return nt;
}
