Added DataNotFoundException.

src/main/java/by/prominence/openweather/api/exception/DataNotFoundException.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2018 Alexey Zinchenko
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package by.prominence.openweather.api.exception;
+
+public class DataNotFoundException extends Exception {
+
+    public DataNotFoundException() {
+        super("Data for provided parameters wasn't found. Please, check your request.");
+    }
+
+    public DataNotFoundException(String message) {
+        super(message);
+    }
+}

src/main/java/by/prominence/openweather/api/provider/DefaultWeatherProvider.java

@@ -22,6 +22,7 @@
 
 package by.prominence.openweather.api.provider;
 
+import by.prominence.openweather.api.exception.DataNotFoundException;
 import by.prominence.openweather.api.exception.InvalidAuthTokenException;
 import by.prominence.openweather.api.model.Coordinates;
 import by.prominence.openweather.api.model.WeatherResponse;
@@ -63,27 +64,27 @@ public class DefaultWeatherProvider implements WeatherProvider {
         return this;
     }
 
-    public WeatherResponse getByCityId(String id) throws InvalidAuthTokenException {
+    public WeatherResponse getByCityId(String id) throws InvalidAuthTokenException, DataNotFoundException {
         return executeRequest("?id=" + id);
     }
 
-    public WeatherResponse getByCityName(String name) throws InvalidAuthTokenException {
+    public WeatherResponse getByCityName(String name) throws InvalidAuthTokenException, DataNotFoundException {
         return executeRequest("?q=" + name);
     }
 
-    public WeatherResponse getByCoordinates(double latitude, double longitude) throws InvalidAuthTokenException {
+    public WeatherResponse getByCoordinates(double latitude, double longitude) throws InvalidAuthTokenException, DataNotFoundException {
         return executeRequest("?lat=" + latitude + "&lon=" + longitude);
     }
 
-    public WeatherResponse getByCoordinates(Coordinates coordinates) throws InvalidAuthTokenException {
+    public WeatherResponse getByCoordinates(Coordinates coordinates) throws InvalidAuthTokenException, DataNotFoundException {
         return getByCoordinates(coordinates.getLatitude(), coordinates.getLongitude());
     }
 
-    public WeatherResponse getByZIPCode(String zipCode, String countryCode) throws InvalidAuthTokenException {
+    public WeatherResponse getByZIPCode(String zipCode, String countryCode) throws InvalidAuthTokenException, DataNotFoundException {
         return executeRequest("?zip=" + zipCode + "," + countryCode);
     }
 
-    private WeatherResponse executeRequest(String parameterString) throws InvalidAuthTokenException {
+    private WeatherResponse executeRequest(String parameterString) throws InvalidAuthTokenException, DataNotFoundException {
 
         String url = OPEN_WEATHER_API_URL + parameterString + "&appid=" + authToken;
 
@@ -117,6 +118,11 @@ public class DefaultWeatherProvider implements WeatherProvider {
                 if (weatherResponse.getResponseCode() == 401) {
                     throw new InvalidAuthTokenException();
                 }
+
+                if (weatherResponse.getResponseCode() == 404) {
+                    throw new DataNotFoundException();
+                }
+
             } catch (IOException e) {
                 e.printStackTrace();
             }

src/main/java/by/prominence/openweather/api/provider/WeatherProvider.java

@@ -22,17 +22,18 @@
 
 package by.prominence.openweather.api.provider;
 
+import by.prominence.openweather.api.exception.DataNotFoundException;
 import by.prominence.openweather.api.exception.InvalidAuthTokenException;
 import by.prominence.openweather.api.model.Coordinates;
 import by.prominence.openweather.api.model.WeatherResponse;
 
 public interface WeatherProvider {
 
-    public WeatherResponse getByCityId(String id) throws InvalidAuthTokenException;
+    public WeatherResponse getByCityId(String id) throws InvalidAuthTokenException, DataNotFoundException;
-    public WeatherResponse getByCityName(String name) throws InvalidAuthTokenException;
+    public WeatherResponse getByCityName(String name) throws InvalidAuthTokenException, DataNotFoundException;
-    public WeatherResponse getByCoordinates(double latitude, double longitude) throws InvalidAuthTokenException;
+    public WeatherResponse getByCoordinates(double latitude, double longitude) throws InvalidAuthTokenException, DataNotFoundException;
-    public WeatherResponse getByCoordinates(Coordinates coordinates) throws InvalidAuthTokenException;
+    public WeatherResponse getByCoordinates(Coordinates coordinates) throws InvalidAuthTokenException, DataNotFoundException;
-    public WeatherResponse getByZIPCode(String zipCode, String countryCode) throws InvalidAuthTokenException;
+    public WeatherResponse getByZIPCode(String zipCode, String countryCode) throws InvalidAuthTokenException, DataNotFoundException;
 
     public WeatherProvider setLanguage(String language);
     public WeatherProvider setUnit(String unit);