Merge pull request #39 from schrom01/feature_json-plant-db_M2

#36 Added images to Plant database

src/main/java/ch/zhaw/gartenverwaltung/io/JsonPlantDatabase.java

@@ -1,10 +1,13 @@
 package ch.zhaw.gartenverwaltung.io;
 
+import ch.zhaw.gartenverwaltung.json.PlantImageDeserializer;
 import ch.zhaw.gartenverwaltung.types.HardinessZone;
 import ch.zhaw.gartenverwaltung.types.Plant;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.module.SimpleModule;
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 import com.fasterxml.jackson.datatype.jsr310.deser.MonthDayDeserializer;
+import javafx.scene.image.Image;
 
 import java.io.IOException;
 import java.net.URL;
@@ -31,10 +34,14 @@ public class JsonPlantDatabase implements PlantDatabase {
      * Creating constant objects required to deserialize the {@link MonthDay} classes
      */
     private final static JavaTimeModule timeModule = new JavaTimeModule();
+    private final static SimpleModule imageModule = new SimpleModule();
+
     static {
         DateTimeFormatter dateFormat = DateTimeFormatter.ofPattern("MM-dd");
         MonthDayDeserializer dateDeserializer = new MonthDayDeserializer(dateFormat);
         timeModule.addDeserializer(MonthDay.class, dateDeserializer);
+
+        imageModule.addDeserializer(Image.class, new PlantImageDeserializer());
     }
 
     /**
@@ -75,8 +82,9 @@ public class JsonPlantDatabase implements PlantDatabase {
         }
         if (dataSource != null) {
             currentZone = zone;
-            ObjectMapper mapper = new ObjectMapper();
-            mapper.registerModule(timeModule);
+            ObjectMapper mapper = new ObjectMapper()
+                    .registerModule(timeModule)
+                    .registerModule(imageModule);
 
             List<Plant> result;
             result = mapper.readerForListOf(Plant.class).readValue(dataSource);