Merge pull request #44 from figo-connect/bigdecimal_parsing_fix

fixed GsonAdapter to return null on NumberFormatException, added Test

src/main/java/me/figo/internal/GsonAdapter.java

@@ -23,6 +23,7 @@
 package me.figo.internal;
 
 import java.lang.reflect.Type;
+import java.math.BigDecimal;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.Date;
@@ -65,6 +66,24 @@ public Date deserialize(JsonElement json, Type type, JsonDeserializationContext
             }
         };
 
-        return new GsonBuilder().registerTypeAdapter(Date.class, serializer).registerTypeAdapter(Date.class, deserializer).excludeFieldsWithoutExposeAnnotation().create();
+		JsonDeserializer<BigDecimal> bigDecimalDeserializer = new JsonDeserializer<BigDecimal>() {
+			@Override
+			public BigDecimal deserialize(JsonElement json, Type type, JsonDeserializationContext context)
+					throws JsonParseException {
+				if (json == null)
+					return null;
+
+				try {
+					return new BigDecimal(json.getAsString());
+				} catch (NumberFormatException nfe) {
+					return null;
+				}
+			}
+		};
+
+		return new GsonBuilder().registerTypeAdapter(Date.class, serializer)
+				.registerTypeAdapter(Date.class, deserializer)
+				.registerTypeAdapter(BigDecimal.class, bigDecimalDeserializer).excludeFieldsWithoutExposeAnnotation()
+				.create();
     }
 }

src/test/java/me/figo/GsonTest.java

@@ -0,0 +1,21 @@
+package me.figo;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.google.gson.Gson;
+
+import me.figo.models.AdditionalTransactionInfo;
+
+public class GsonTest {
+
+	@Test
+	public void testGson() {
+		FigoApi api = new FigoApi("", 0);
+		Gson g = api.createGson();
+		AdditionalTransactionInfo obj = g.fromJson(
+				"{\"compensation_amount\": \"6,10\",\"original_amount\": \"575.40\"}", AdditionalTransactionInfo.class);
+		Assert.assertNull(obj.getCompensation_amount());
+		Assert.assertEquals(obj.getOriginal_amount().toPlainString(), "575.40");
+	}
+}