Bael 2721 - JSON deserialization mapping different JSON fields to same Java field (#6434)

* BAEL-2721 Examples of @JsonAlias and Gson's alternate parameter * BAEL-2721 Update class and method names for JsonAlias and GsonAlternate
2019-03-13 04:54:34 +00:00
parent 57a1096c1f
commit 8ecfd8de08
4 changed files with 161 additions and 0 deletions
@@ -0,0 +1,39 @@
+package org.baeldung.gson.deserialization;
+
+import static org.junit.Assert.assertEquals;
+
+import org.baeldung.gson.entities.Weather;
+import org.junit.Test;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+public class GsonAlternateUnitTest {
+
+    @Test
+    public void givenTwoJsonFormats_whenDeserialized_thenWeatherObjectsCreated() throws Exception {
+
+        Gson gson = new GsonBuilder().create();
+
+        Weather weather = gson.fromJson("{" + 
+            "\"location\": \"London\"," + 
+            "\"temp\": 15," + 
+            "\"weather\": \"Cloudy\"" + 
+            "}", Weather.class);
+
+        assertEquals("London", weather.getLocation());
+        assertEquals("Cloudy", weather.getOutlook());
+        assertEquals(15, weather.getTemp());
+
+        weather = gson.fromJson("{" + 
+            "\"place\": \"Lisbon\"," + 
+            "\"temperature\": 35," + 
+            "\"outlook\": \"Sunny\"" + 
+            "}", Weather.class);
+
+        assertEquals("Lisbon", weather.getLocation());
+        assertEquals("Sunny", weather.getOutlook());
+        assertEquals(35, weather.getTemp());
+
+    }
+}