com.ibm.mil.readyapps.telco.adapters.CloudantGeoAdapterResource.java Source code

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Here is the source code for com.ibm.mil.readyapps.telco.adapters.CloudantGeoAdapterResource.java

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/*
 *    Licensed Materials - Property of IBM
 *    5725-I43 (C) Copyright IBM Corp. 2015. All Rights Reserved.
 *    US Government Users Restricted Rights - Use, duplication or
 *    disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 */

package com.ibm.mil.readyapps.telco.adapters;

import java.io.IOException;
import java.net.URISyntaxException;
import java.util.List;
import java.util.logging.Logger;

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;

import org.apache.http.HttpResponse;
import org.apache.http.ParseException;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import org.apache.wink.common.http.HttpStatus;

import com.google.gson.Gson;
import com.ibm.mil.cloudant.geospatial.GeoJsonPoint;
import com.ibm.mil.cloudant.geospatial.GeoRadiusURI;
import com.ibm.mil.readyapps.telco.models.WifiHotspotFlat;
import com.ibm.mil.utils.WifiHotspotUtils;

@Path("/users")
public class CloudantGeoAdapterResource {

    private static final GeoJsonPoint DEMO_LOCATION = new GeoJsonPoint(10.1, 10.2);

    /*
     * For more info on JAX-RS see
     * https://jsr311.java.net/nonav/releases/1.1/index.html
     */

    // Define logger (Standard java.util.Logger)
    static Logger logger = Logger.getLogger(CloudantGeoAdapterResource.class.getName());

    /*
     * Path for method:
     * "<server address>/TelcoReadyAppMFP/adapters/CloudantGeoAdapter/users/{user_id}/wifi"
     */
    @GET
    @Produces(MediaType.APPLICATION_JSON)
    @Path("/{user_id}/wifi")
    public Response getWifiLocations(@PathParam("user_id") String name, @QueryParam(value = "lat") double latitude,
            @QueryParam(value = "lon") double longitude) {

        GeoJsonPoint userLocation = new GeoJsonPoint(latitude, longitude);

        try {
            HttpGet httpget = new HttpGet(GeoRadiusURI.build(DEMO_LOCATION));

            CloseableHttpClient httpClient = HttpClientBuilder.create().build();
            HttpResponse httpResponse = httpClient.execute(httpget);

            if (httpResponse.getStatusLine().getStatusCode() == HttpStatus.OK.getCode()) {
                String jsonString = EntityUtils.toString(httpResponse.getEntity());

                List<WifiHotspotFlat> hotspots = WifiHotspotUtils.parseAndOffsetHotspots(jsonString, userLocation);

                return Response.ok(new Gson().toJson(hotspots), MediaType.APPLICATION_JSON).build();
            }

            httpClient.close();
            return Response.serverError().entity(httpResponse.getStatusLine()).build();
        } catch (URISyntaxException | ParseException | IOException e) {
            e.printStackTrace();
            return Response.serverError().entity("Error").build();

        }
    }

}