protected void onHandleIntent()

in LocationAddress/app/src/main/java/com/google/android/gms/location/sample/locationaddress/FetchAddressIntentService.java [66:152]
47 lines of code
9 McCabe index (conditional complexity)

    protected void onHandleIntent(Intent intent) {
        String errorMessage = "";

        mReceiver = intent.getParcelableExtra(Constants.RECEIVER);

        // Check if receiver was properly registered.
        if (mReceiver == null) {
            Log.wtf(TAG, "No receiver received. There is nowhere to send the results.");
            return;
        }

        // Get the location passed to this service through an extra.
        Location location = intent.getParcelableExtra(Constants.LOCATION_DATA_EXTRA);

        // Make sure that the location data was really sent over through an extra. If it wasn't,
        // send an error error message and return.
        if (location == null) {
            errorMessage = getString(R.string.no_location_data_provided);
            Log.wtf(TAG, errorMessage);
            deliverResultToReceiver(Constants.FAILURE_RESULT, errorMessage);
            return;
        }

        // Errors could still arise from using the Geocoder (for example, if there is no
        // connectivity, or if the Geocoder is given illegal location data). Or, the Geocoder may
        // simply not have an address for a location. In all these cases, we communicate with the
        // receiver using a resultCode indicating failure. If an address is found, we use a
        // resultCode indicating success.

        // The Geocoder used in this sample. The Geocoder's responses are localized for the given
        // Locale, which represents a specific geographical or linguistic region. Locales are used
        // to alter the presentation of information such as numbers or dates to suit the conventions
        // in the region they describe.
        Geocoder geocoder = new Geocoder(this, Locale.getDefault());

        // Address found using the Geocoder.
        List<Address> addresses = null;

        try {
            // Using getFromLocation() returns an array of Addresses for the area immediately
            // surrounding the given latitude and longitude. The results are a best guess and are
            // not guaranteed to be accurate.
            addresses = geocoder.getFromLocation(
                    location.getLatitude(),
                    location.getLongitude(),
                    // In this sample, we get just a single address.
                    1);
        } catch (IOException ioException) {
            // Catch network or other I/O problems.
            errorMessage = getString(R.string.service_not_available);
            Log.e(TAG, errorMessage, ioException);
        } catch (IllegalArgumentException illegalArgumentException) {
            // Catch invalid latitude or longitude values.
            errorMessage = getString(R.string.invalid_lat_long_used);
            Log.e(TAG, errorMessage + ". " +
                    "Latitude = " + location.getLatitude() +
                    ", Longitude = " + location.getLongitude(), illegalArgumentException);
        }

        // Handle case where no address was found.
        if (addresses == null || addresses.size()  == 0) {
            if (errorMessage.isEmpty()) {
                errorMessage = getString(R.string.no_address_found);
                Log.e(TAG, errorMessage);
            }
            deliverResultToReceiver(Constants.FAILURE_RESULT, errorMessage);
        } else {
            Address address = addresses.get(0);
            ArrayList<String> addressFragments = new ArrayList<>();

            // Fetch the address lines using {@code getAddressLine},
            // join them, and send them to the thread. The {@link android.location.address}
            // class provides other options for fetching address details that you may prefer
            // to use. Here are some examples:
            // getLocality() ("Mountain View", for example)
            // getAdminArea() ("CA", for example)
            // getPostalCode() ("94043", for example)
            // getCountryCode() ("US", for example)
            // getCountryName() ("United States", for example)
            for(int i = 0; i <= address.getMaxAddressLineIndex(); i++) {
                addressFragments.add(address.getAddressLine(i));
            }
            Log.i(TAG, getString(R.string.address_found));
            deliverResultToReceiver(Constants.SUCCESS_RESULT,
                    TextUtils.join(System.getProperty("line.separator"), addressFragments));
        }
    }