Android Open Source - checkin Geo J S O N

From Project

Back to project page checkin.

License

The source code is released under:

# License Copyright ? 2014 Sam Whited Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the ?Software??), to deal ...

If you think the Android project checkin listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package com.samwhited.checkin.util;
//www.  j  a  va2 s.  co m
import android.location.Location;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

/**
 * Functions for dealing with GeoJSON
 */
public final class GeoJSON {

  /**
   * Constructs a GeoJSON point object from a Location.
   * @param location The location to construct a point from.
   * @return A GeoJSON point object as a JSONObject.
   * @throws JSONException If the JSON could not be constructed.
   * @throws IllegalArgumentException If a null location was supplied.
   */
  public static JSONObject constructPoint(final Location location) throws JSONException, IllegalArgumentException {
    if (location == null) throw (new IllegalArgumentException("Location must not be null."));

    // Construct a geoJSON object
    final JSONObject json_data = new JSONObject();
    final JSONObject geometry = new JSONObject();
    final JSONObject properties = new JSONObject();
    final JSONArray coordinates = new JSONArray();
    // Setup the root (feature) object
    json_data.put("type", "Feature");

    // Add some geometry to the feature
    json_data.put("geometry", geometry);
    geometry.put("type", "Point");
    geometry.put("coordinates", coordinates);

    // Set the coordinates
    coordinates.put(location.getLongitude());
    coordinates.put(location.getLatitude());
    if (location.hasAltitude()) {
      coordinates.put(location.getAltitude());
    }

    // Set up the properties object.
    json_data.put("properties", properties);
    if (location.hasAccuracy()) {
      properties.put("accuracy", location.getAccuracy());
    }
    if (location.hasBearing()) {
      properties.put("bearing", location.getBearing());
    }
    properties.put("provider", location.getProvider());
    if (location.hasSpeed()) {
      properties.put("speed", location.getSpeed());
    }
    properties.put("time", location.getTime());
    properties.put("elapsed_realtime_nanos", location.getElapsedRealtimeNanos());
    properties.put("raw", location.toString());

    return json_data;
  }
}

Java Source Code List