51Degrees Geo-Location Java  4.4

Geo-location services for 51Degrees Pipeline


Getting started example of using cloud geo-location.This example is available in full on GitHub.

Required Maven Dependencies:

  • com.51degrees.geo-location
  1. Build a new Pipeline to use the 51Degrees cloud service, with lazy loading configured to allow up to a second for a response from the service.
    Pipeline pipeline = new GeoLocationPipelineBuilder(loggerFactory)
    .useCloud(resourceKey, Enums.GeoLocationProvider.FiftyOneDegrees)
  2. Create a new FlowData instance ready to be populated with evidence for the Pipeline.
    FlowData data = pipeline.createFlowData();
  3. Process a longitude and latitude to retrieve the values associated with with the location for the selected properties.
    .addEvidence(EVIDENCE_GEO_LAT_PARAM_KEY, "51.458048")
    .addEvidence(EVIDENCE_GEO_LON_PARAM_KEY, "-0.9822207999999999")
  4. Extract the value of a property as a string from the results.
    AspectPropertyValue<String> country = data.get(GeoData.class).getCoutnry();
* This Original Work is copyright of 51 Degrees Mobile Experts Limited.
* Copyright 2022 51 Degrees Mobile Experts Limited, Davidson House,
* Forbury Square, Reading, Berkshire, United Kingdom RG1 3EU.
* This Original Work is licensed under the European Union Public Licence
* (EUPL) v.1.2 and is subject to its terms as set out below.
* If a copy of the EUPL was not distributed with this file, You can obtain
* one at https://opensource.org/licenses/EUPL-1.2.
* The 'Compatible Licences' set out in the Appendix to the EUPL (as may be
* amended by the European Commission) shall be deemed incompatible for
* the purposes of the Work and the provisions of the compatibility
* clause in Article 5 of the EUPL shall not apply.
* If using the Work as, or as part of, a network application, by
* including the attribution notice(s) required under Article 5 of the EUPL
* in the end user terms of the application under an appropriate heading,
* such notice(s) shall fulfill the requirements of that article.
package fiftyone.geolocation.examples.cloud;
import fiftyone.geolocation.GeoLocationPipelineBuilder;
import fiftyone.geolocation.core.Enums;
import fiftyone.geolocation.core.data.GeoData;
import fiftyone.pipeline.cloudrequestengine.data.CloudRequestData;
import fiftyone.pipeline.core.data.FlowData;
import fiftyone.pipeline.core.flowelements.Pipeline;
import fiftyone.pipeline.engines.data.AspectPropertyValue;
import org.slf4j.ILoggerFactory;
import org.slf4j.LoggerFactory;
import java.util.concurrent.Future;
import static fiftyone.geolocation.core.Constants.EVIDENCE_GEO_LAT_PARAM_KEY;
import static fiftyone.geolocation.core.Constants.EVIDENCE_GEO_LON_PARAM_KEY;
public class GettingStarted {
private static ILoggerFactory loggerFactory = LoggerFactory.getILoggerFactory();
public static void main(String[] args) throws Exception {
// Obtain a resource key for free at https://configure.51degrees.com
// Make sure to include the 'Country' property as it is used by this example.
String resourceKey = "!!Your resource license key!!";
if (resourceKey.startsWith("!!")) {
System.out.println("You need to create a resource key at " +
"https://configure.51degrees.com and paste it into this example.");
System.out.println("Make sure to include the 'Country' " +
"property as it is used by this example.");
else {
Pipeline pipeline = new GeoLocationPipelineBuilder(loggerFactory)
.useCloud(resourceKey, Enums.GeoLocationProvider.FiftyOneDegrees)
try (FlowData flowData = pipeline.createFlowData()) {
flowData.addEvidence(EVIDENCE_GEO_LAT_PARAM_KEY, "51.458048")
.addEvidence(EVIDENCE_GEO_LON_PARAM_KEY, "-0.9822207999999999")
AspectPropertyValue<String> country = flowData.get(GeoData.class).getCountry();
Future<?> future = flowData.get(GeoData.class).getProcessFuture();
System.out.print("Awaiting response");
outputUntilCancelled(".", 1000, future);
System.out.println("Country: " + country.toString());
private static void outputUntilCancelled(
String text,
int intervalMs,
Future<?> future) throws InterruptedException {
while (future.isDone() == false) {